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Mediasonic H82-SU3S2 ProBox 8 Bay 3.5" Hard Drive External Hard Drive Enclosure - USB 3.0 & eSATA
Mediasonic H82-SU3S2 ProBox 8 Bay 3.5" Hard Drive External Hard Drive Enclosure - USB 3.0 & eSATA
Mediasonic H82-SU3S2 ProBox 8 Bay 3.5" Hard Drive External Hard Drive Enclosure - USB 3.0 & eSATA
Mediasonic H82-SU3S2 ProBox 8 Bay 3.5" Hard Drive External Hard Drive Enclosure - USB 3.0 & eSATA
Mediasonic H82-SU3S2 ProBox 8 Bay 3.5" Hard Drive External Hard Drive Enclosure - USB 3.0 & eSATA

Mediasonic H82-SU3S2 ProBox 8 Bay 3.5" Hard Drive External Hard Drive Enclosure - USB 3.0 & eSATA

Mediasonic H82-SU3S2 ProBox 8 Bay 3.5" Hard Drive External Hard Drive Enclosure - USB 3.0 & eSATA
Mediasonic H82-SU3S2 ProBox 8 Bay 3.5" Hard Drive External Hard Drive Enclosure - USB 3.0 & eSATA
Mediasonic H82-SU3S2 ProBox 8 Bay 3.5" Hard Drive External Hard Drive Enclosure - USB 3.0 & eSATA
Mediasonic H82-SU3S2 ProBox 8 Bay 3.5" Hard Drive External Hard Drive Enclosure - USB 3.0 & eSATA
Mediasonic H82-SU3S2 ProBox 8 Bay 3.5" Hard Drive External Hard Drive Enclosure - USB 3.0 & eSATA
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Features

  • Support all brand of 3.5-Inch SATA I / II / III hard disk drive up to 14TB per drive, Support SATA III 6.0Gbps Hard Drive Speed
  • Transfer rate up to 5.0Gbps via USB 3.0, and 6.0Gbps via eSATA
  • Support SATA III 6.0Gbps hard drive transfer rate
  • One button interface selection: Switch USB 3.0 or eSATA interface by pressing one button
  • Smart Fan Function with built-in thermal sensor support Auto & Manual mode with 3 level of fan speed

Description

Mediasonic H82-SU3S2 ProBox is a 8 Bay enclosure for 3.5-inch SATA hard disk drive. It can support 8x hdd of different brand and capacity Note: Motherboard's SATA Port Must support Port Multiplier in order for your computer to recognize multiple hard drive if this unit is connected via eSATA. We recommend user to connect this device via USB 3.0 to get maximum performance. This enclosure can also support 2.5-inch hard drive; however, the hdd bracket adapter is required.


Product Dimensions 10 x 6.5 x 14 inches


Item Weight 11 pounds


ASIN B005GYDMYG


Item model number H82-SU3S2


Customer Reviews 4.0 out of 5 stars 190 ratings 4.0 out of 5 stars


Best Sellers Rank #175 in Computer Hard Drive Enclosures


Is Discontinued By Manufacturer No


Date First Available August 8, 2011


Manufacturer RJ Tech


Shipping

This product includes free shipping to all US addresses.


Delivery

Unless otherwise stated above, most products arrive within 2-3 business days. Larger items may take 6-9 business days. Tracking information will be automatically provided as soon as your order ships.


View our full shipping policy here.

Returns

This product can be returned within 30 days of delivery for a full refund. Please visit our returns center to begin a return.

View our full returns policy here.

Features

  • Support all brand of 3.5-Inch SATA I / II / III hard disk drive up to 14TB per drive, Support SATA III 6.0Gbps Hard Drive Speed
  • Transfer rate up to 5.0Gbps via USB 3.0, and 6.0Gbps via eSATA
  • Support SATA III 6.0Gbps hard drive transfer rate
  • One button interface selection: Switch USB 3.0 or eSATA interface by pressing one button
  • Smart Fan Function with built-in thermal sensor support Auto & Manual mode with 3 level of fan speed

Description

Mediasonic H82-SU3S2 ProBox is a 8 Bay enclosure for 3.5-inch SATA hard disk drive. It can support 8x hdd of different brand and capacity Note: Motherboard's SATA Port Must support Port Multiplier in order for your computer to recognize multiple hard drive if this unit is connected via eSATA. We recommend user to connect this device via USB 3.0 to get maximum performance. This enclosure can also support 2.5-inch hard drive; however, the hdd bracket adapter is required.


Product Dimensions 10 x 6.5 x 14 inches


Item Weight 11 pounds


ASIN B005GYDMYG


Item model number H82-SU3S2


Customer Reviews 4.0 out of 5 stars 190 ratings 4.0 out of 5 stars


Best Sellers Rank #175 in Computer Hard Drive Enclosures


Is Discontinued By Manufacturer No


Date First Available August 8, 2011


Manufacturer RJ Tech


Shipping

This product includes free shipping to all US addresses.


Delivery

Unless otherwise stated above, most products arrive within 2-3 business days. Larger items may take 6-9 business days. Tracking information will be automatically provided as soon as your order ships.


View our full shipping policy here.

Returns

This product can be returned within 30 days of delivery for a full refund. Please visit our returns center to begin a return.

View our full returns policy here.

Features

  • Support all brand of 3.5-Inch SATA I / II / III hard disk drive up to 14TB per drive, Support SATA III 6.0Gbps Hard Drive Speed
  • Transfer rate up to 5.0Gbps via USB 3.0, and 6.0Gbps via eSATA
  • Support SATA III 6.0Gbps hard drive transfer rate
  • One button interface selection: Switch USB 3.0 or eSATA interface by pressing one button
  • Smart Fan Function with built-in thermal sensor support Auto & Manual mode with 3 level of fan speed

Description

Mediasonic H82-SU3S2 ProBox is a 8 Bay enclosure for 3.5-inch SATA hard disk drive. It can support 8x hdd of different brand and capacity Note: Motherboard's SATA Port Must support Port Multiplier in order for your computer to recognize multiple hard drive if this unit is connected via eSATA. We recommend user to connect this device via USB 3.0 to get maximum performance. This enclosure can also support 2.5-inch hard drive; however, the hdd bracket adapter is required.


Product Dimensions 10 x 6.5 x 14 inches


Item Weight 11 pounds


ASIN B005GYDMYG


Item model number H82-SU3S2


Customer Reviews 4.0 out of 5 stars 190 ratings 4.0 out of 5 stars


Best Sellers Rank #175 in Computer Hard Drive Enclosures


Is Discontinued By Manufacturer No


Date First Available August 8, 2011


Manufacturer RJ Tech


abunda_amazon_reviews I've tried many multi-drive JBOD products and none of them have ever really worked as advertised. This one actually comes pretty close to being "perfect" for me. Unlike the StarTech.com USB 3.0 eSATA 8-Bay Hot-Swap 2.5/3.5-Inch SATA III Hard Drive Enclosure with UASP (S358BU33ERM) that I originally tried, this enclosure seems pretty stable. The StarTech reported the same serial number for each drive, whereas this unit at least reports a unique identifier for each disk within the array, even though it isn't the actual serial number. This is important if you ever hope to manage the disks using PowerShell in Windows, for example, where sometimes the only way to differentiate between same-model disks is via the serial number. (If you use WIndows Storage Spaces and manage it via PowerShell, you'll understand.) This unit was also cheaper than the StarTech and provided a nicer front-panel interface. A major design difference (likely resulting in the significant cost reduction of the unit) is that there are no latching drive carriers that one typically finds on other units of this type. Instead, one uses two black screws to attach a small plastic "handle" to the front of the drive via its mounting holes, then slides the drive into the slot, engaging it into the SATA and power socket combo in the back of the unit. Then, one must flip a holding panel over four drives at a time (there are two panels, top and bottom, each covering four drives). The panel is screwed into the frame of the unit and holds the drives in place. . There is some foam rubber on the front of each drive handle that presses against the panels and secures the drives into their sockets. I've attached a photo to show how this retention system looks. To remove a drive, the little "handle" can be pushed down to act as a cam that pulls the drive from the socket so that one can grab it and remove it. Without the handle, you need thin fingers to grab and pull it. :) The advantages of the bay and drive insertion design are lower cost, and you can insert drives even without the handle when you want to quickly access a drive. The disadvantages are that the unit is difficult to use on its side because gravity is not helping to guide the connector at the back of the drive into the socket in the back of the unit - so you have to "angle" the drive to make sure it gets inserted. Even so, I am using the unit on its side with no problems, since I don't insert and remove drives very often. If you use it standing up as designed, then you probably won't notice this. I am using this unit with Division-M's DriveBender software, and I also tested it with StableBit Drive Pool. Both pooling software worked beautiful with the enclosure, but for those trying to do the same thing, be aware that if one of your disks is failing, the enclosure may detect it, in which case the entire enclosure will go offline, and the LED light representing that drive will start blinking on the enclosure. This behavior is not documented anywhere that I can find, but I verified it through testing. The enclosure may not go offline immediately, because it may take time for it to be given an operation on the disk that exposes the failure in such a way that the enclosure can detect it, but when it does, down it goes and starts flashing the light. This is a bit problematic since the disk may still be functional enough to at least evacuate the data off of it, and the enclosure can't be used for that purpose. I ended up using my smaller 1-drive USB 3.0 dock (it doesn't go offline on errors), putting the failed drive into it, and copying what I could back to the array, eventually putting a new drive into the empty slot and adding it to the pool. Since I did that, the array and the pool have been up and chugging along with no problems. Whatever application you are using this for, I suggest getting a drive scanner like StableBit Scanner or other similar products to monitor your drives for problems. It could save you a lot of headaches in diagnosing the array when it goes down because it is functioning as designed (bad disk detected). PROS: -Button on front panel for switching the interface between eSata and USB 3.0 -Unit can be configured to turn on and off with main computer -Returns a unique but fake serial number for each drive (the StarTech returns the same fake serial number for each drive) -Passes SMART information from disk drives via the USB interface (not always the case with these enclosures) -Indicates problem disks by flashing the drive's LED -Less costly than other comparable enclosures such as the StarTech I also purchased (and later returned) -Smaller and lighter than the StarTech CONS: -No drive carriers. -Side orientation not easy to insert drives into because of carrier-less design. -The entire enclosure goes offline when a bad disk is detected (its LED flashes, noted as a PRO above);;Reviewed in the United States on August 24, 2015;;4.0 out of 5 stars;;The best 8-bay JBOD enclosure I've ever used... but still not perfect;;Amazon Customer;;;I bought this box (Mediasonic H82-SUS32 ProBox 8 bay 3.5") on the recommendation of a friend. I wanted 64TB on one USB connection. I bought 8 x 8TB Seagate drives. Formatted them for GBT. Spent a week copying 64TB to them. Put them all in the box. Works great. Prior to this, I had a dozen drives connected to a couple of multiport USB's..... several times a day one or two would disconnect and cause others to reset... I've had this box going 24/7 for the past 2 weeks. not a single reset. There is one drawback worth mentioning. With the cabinet door closed, drive temperatures are 4-6 degrees centigrade higher than with the door open. The cooler the drives run, the longer they stay healthy. If any of the Mediasonic engineers are listening, the door should be perforated... The intake at the bottom may look wonderful in an engineering drawing but it sucks in real life. I bought a 15' foot USB cable so I can remote the box far enough away so I can leave the door open without hearing the fans. At a room temp of 24 deg cent, the drives run 32-34 deg cent. With the door closed, they run 36-40 deg cent. Except for that one issue, these boxes are perfect in every way. Update year later: It's been running 24/7 for a year except when I shut them down for service. Shut it down, remove the drives, vacuum the chassis, vacuum the drives, put them back in, turn it back on. These boxes are workhorses. Buying another next month.;;Reviewed in the United States on October 21, 2015;;5.0 out of 5 stars;;Perfect for 64TB of storage on a single USB3.0 port;;urufish;;;This will be a brief review, I don't need to go super in-depth, I'm going to give you a review that hits the things you care about. First up: reliability. I'm on my second. My first one failed after about 4 years, in probably a not great environment. I'm not sure that it didn't fail because I had it in less than ideal conditions. Other than that, it was solid right up until it died. Next: USB. NO UASP support. The USB 3.0 has always been a little flakey for me with MediaSonic enclosures, so I tend not to use it. You get a random disconnect, here and there, especially under heavy load. I wouldn't recommend using the USB interface for an always on file server. eSATA: Works well, you do need a port replicator capable SATA interface to see all the disks, but single cable for 8-disks? Nice. I believe that it will fall back to the lowest connected device though, i.e. you throw an older disk in that only does SATA-1, and you are running at SATA-1. This makes sense if you think about it. Also seems to be fine hot-adding disks and hot-disconnecting from the interface. I can plug into a booted system and it works as expected without reboot. YMMV. Now the big question on everyone's mind. PWDIS support. The official line from MediaSonic is PWDIS is not supported. This is a technically correct statement. You cannot power cycle a disk with PWDIS features. Now, the question you probably were asking: If I stick a PWDIS disk in this thing, will it be recognized? The answer to that question is YES. I have 2, 10TB WD white label disks that don't work in my other array, or in some of my older computers, but work absolutely fine in this thing. Other features are nice, I don't use them at all (auto-disconnect/power on with signal etc). All and all I've been very satisfied with this thing, especially for 250$.;;Reviewed in the United States on October 31, 2019;;4.0 out of 5 stars;;Decent for the price, ACCEPTS SHUCKED PWDIS DISKS;;Jason C. Coleman

Shipping

This product includes free shipping to all US addresses.


Delivery

Orders placed now will arrive in 6-9 business days. Tracking information will be automatically provided as soon as your order ships.


View our full shipping policy here.

Returns

This product can be returned within 30 days of delivery for a full refund. Please visit our returns center to begin a return.

View our full returns policy here.

Top Amazon Reviews


4.0 out of 5 stars
By Amazon Customer - Reviewed in the United States on August 24, 2015
The best 8-bay JBOD enclosure I've ever used... but still not perfect
I've tried many multi-drive JBOD products and none of them have ever really worked as advertised. This one actually comes pretty close to being "perfect" for me. Unlike the StarTech.com USB 3.0 eSATA 8-Bay Hot-Swap 2.5/3.5-Inch SATA III Hard Drive Enclosure with UASP (S358BU33ERM) that I originally tried, this enclosure seems pretty stable. The StarTech reported the same serial number for each drive, whereas this unit at least reports a unique identifier for each disk within the array, even though it isn't the actual serial number. This is important if you ever hope to manage the disks using PowerShell in Windows, for example, where sometimes the only way to differentiate between same-model disks is via the serial number. (If you use WIndows Storage Spaces and manage it via PowerShell, you'll understand.) This unit was also cheaper than the StarTech and provided a nicer front-panel interface. A major design difference (likely resulting in the significant cost reduction of the unit) is that there are no latching drive carriers that one typically finds on other units of this type. Instead, one uses two black screws to attach a small plastic "handle" to the front of the drive via its mounting holes, then slides the drive into the slot, engaging it into the SATA and power socket combo in the back of the unit. Then, one must flip a holding panel over four drives at a time (there are two panels, top and bottom, each covering four drives). The panel is screwed into the frame of the unit and holds the drives in place. . There is some foam rubber on the front of each drive handle that presses against the panels and secures the drives into their sockets. I've attached a photo to show how this retention system looks. To remove a drive, the little "handle" can be pushed down to act as a cam that pulls the drive from the socket so that one can grab it and remove it. Without the handle, you need thin fingers to grab and pull it. :) The advantages of the bay and drive insertion design are lower cost, and you can insert drives even without the handle when you want to quickly access a drive. The disadvantages are that the unit is difficult to use on its side because gravity is not helping to guide the connector at the back of the drive into the socket in the back of the unit - so you have to "angle" the drive to make sure it gets inserted. Even so, I am using the unit on its side with no problems, since I don't insert and remove drives very often. If you use it standing up as designed, then you probably won't notice this. I am using this unit with Division-M's DriveBender software, and I also tested it with StableBit Drive Pool. Both pooling software worked beautiful with the enclosure, but for those trying to do the same thing, be aware that if one of your disks is failing, the enclosure may detect it, in which case the entire enclosure will go offline, and the LED light representing that drive will start blinking on the enclosure. This behavior is not documented anywhere that I can find, but I verified it through testing. The enclosure may not go offline immediately, because it may take time for it to be given an operation on the disk that exposes the failure in such a way that the enclosure can detect it, but when it does, down it goes and starts flashing the light. This is a bit problematic since the disk may still be functional enough to at least evacuate the data off of it, and the enclosure can't be used for that purpose. I ended up using my smaller 1-drive USB 3.0 dock (it doesn't go offline on errors), putting the failed drive into it, and copying what I could back to the array, eventually putting a new drive into the empty slot and adding it to the pool. Since I did that, the array and the pool have been up and chugging along with no problems. Whatever application you are using this for, I suggest getting a drive scanner like StableBit Scanner or other similar products to monitor your drives for problems. It could save you a lot of headaches in diagnosing the array when it goes down because it is functioning as designed (bad disk detected). PROS: -Button on front panel for switching the interface between eSata and USB 3.0 -Unit can be configured to turn on and off with main computer -Returns a unique but fake serial number for each drive (the StarTech returns the same fake serial number for each drive) -Passes SMART information from disk drives via the USB interface (not always the case with these enclosures) -Indicates problem disks by flashing the drive's LED -Less costly than other comparable enclosures such as the StarTech I also purchased (and later returned) -Smaller and lighter than the StarTech CONS: -No drive carriers. -Side orientation not easy to insert drives into because of carrier-less design. -The entire enclosure goes offline when a bad disk is detected (its LED flashes, noted as a PRO above)

5.0 out of 5 stars
By urufish - Reviewed in the United States on October 21, 2015
Perfect for 64TB of storage on a single USB3.0 port
I bought this box (Mediasonic H82-SUS32 ProBox 8 bay 3.5") on the recommendation of a friend. I wanted 64TB on one USB connection. I bought 8 x 8TB Seagate drives. Formatted them for GBT. Spent a week copying 64TB to them. Put them all in the box. Works great. Prior to this, I had a dozen drives connected to a couple of multiport USB's..... several times a day one or two would disconnect and cause others to reset... I've had this box going 24/7 for the past 2 weeks. not a single reset. There is one drawback worth mentioning. With the cabinet door closed, drive temperatures are 4-6 degrees centigrade higher than with the door open. The cooler the drives run, the longer they stay healthy. If any of the Mediasonic engineers are listening, the door should be perforated... The intake at the bottom may look wonderful in an engineering drawing but it sucks in real life. I bought a 15' foot USB cable so I can remote the box far enough away so I can leave the door open without hearing the fans. At a room temp of 24 deg cent, the drives run 32-34 deg cent. With the door closed, they run 36-40 deg cent. Except for that one issue, these boxes are perfect in every way. Update year later: It's been running 24/7 for a year except when I shut them down for service. Shut it down, remove the drives, vacuum the chassis, vacuum the drives, put them back in, turn it back on. These boxes are workhorses. Buying another next month.

4.0 out of 5 stars
By Jason C. Coleman - Reviewed in the United States on October 31, 2019
Decent for the price, ACCEPTS SHUCKED PWDIS DISKS
This will be a brief review, I don't need to go super in-depth, I'm going to give you a review that hits the things you care about. First up: reliability. I'm on my second. My first one failed after about 4 years, in probably a not great environment. I'm not sure that it didn't fail because I had it in less than ideal conditions. Other than that, it was solid right up until it died. Next: USB. NO UASP support. The USB 3.0 has always been a little flakey for me with MediaSonic enclosures, so I tend not to use it. You get a random disconnect, here and there, especially under heavy load. I wouldn't recommend using the USB interface for an always on file server. eSATA: Works well, you do need a port replicator capable SATA interface to see all the disks, but single cable for 8-disks? Nice. I believe that it will fall back to the lowest connected device though, i.e. you throw an older disk in that only does SATA-1, and you are running at SATA-1. This makes sense if you think about it. Also seems to be fine hot-adding disks and hot-disconnecting from the interface. I can plug into a booted system and it works as expected without reboot. YMMV. Now the big question on everyone's mind. PWDIS support. The official line from MediaSonic is PWDIS is not supported. This is a technically correct statement. You cannot power cycle a disk with PWDIS features. Now, the question you probably were asking: If I stick a PWDIS disk in this thing, will it be recognized? The answer to that question is YES. I have 2, 10TB WD white label disks that don't work in my other array, or in some of my older computers, but work absolutely fine in this thing. Other features are nice, I don't use them at all (auto-disconnect/power on with signal etc). All and all I've been very satisfied with this thing, especially for 250$.

Recent Reviews


4.0 out of 5 stars
By Amazon Customer - Reviewed in the United States on August 24, 2015
The best 8-bay JBOD enclosure I've ever used... but still not perfect
I've tried many multi-drive JBOD products and none of them have ever really worked as advertised. This one actually comes pretty close to being "perfect" for me. Unlike the StarTech.com USB 3.0 eSATA 8-Bay Hot-Swap 2.5/3.5-Inch SATA III Hard Drive Enclosure with UASP (S358BU33ERM) that I originally tried, this enclosure seems pretty stable. The StarTech reported the same serial number for each drive, whereas this unit at least reports a unique identifier for each disk within the array, even though it isn't the actual serial number. This is important if you ever hope to manage the disks using PowerShell in Windows, for example, where sometimes the only way to differentiate between same-model disks is via the serial number. (If you use WIndows Storage Spaces and manage it via PowerShell, you'll understand.) This unit was also cheaper than the StarTech and provided a nicer front-panel interface. A major design difference (likely resulting in the significant cost reduction of the unit) is that there are no latching drive carriers that one typically finds on other units of this type. Instead, one uses two black screws to attach a small plastic "handle" to the front of the drive via its mounting holes, then slides the drive into the slot, engaging it into the SATA and power socket combo in the back of the unit. Then, one must flip a holding panel over four drives at a time (there are two panels, top and bottom, each covering four drives). The panel is screwed into the frame of the unit and holds the drives in place. . There is some foam rubber on the front of each drive handle that presses against the panels and secures the drives into their sockets. I've attached a photo to show how this retention system looks. To remove a drive, the little "handle" can be pushed down to act as a cam that pulls the drive from the socket so that one can grab it and remove it. Without the handle, you need thin fingers to grab and pull it. :) The advantages of the bay and drive insertion design are lower cost, and you can insert drives even without the handle when you want to quickly access a drive. The disadvantages are that the unit is difficult to use on its side because gravity is not helping to guide the connector at the back of the drive into the socket in the back of the unit - so you have to "angle" the drive to make sure it gets inserted. Even so, I am using the unit on its side with no problems, since I don't insert and remove drives very often. If you use it standing up as designed, then you probably won't notice this. I am using this unit with Division-M's DriveBender software, and I also tested it with StableBit Drive Pool. Both pooling software worked beautiful with the enclosure, but for those trying to do the same thing, be aware that if one of your disks is failing, the enclosure may detect it, in which case the entire enclosure will go offline, and the LED light representing that drive will start blinking on the enclosure. This behavior is not documented anywhere that I can find, but I verified it through testing. The enclosure may not go offline immediately, because it may take time for it to be given an operation on the disk that exposes the failure in such a way that the enclosure can detect it, but when it does, down it goes and starts flashing the light. This is a bit problematic since the disk may still be functional enough to at least evacuate the data off of it, and the enclosure can't be used for that purpose. I ended up using my smaller 1-drive USB 3.0 dock (it doesn't go offline on errors), putting the failed drive into it, and copying what I could back to the array, eventually putting a new drive into the empty slot and adding it to the pool. Since I did that, the array and the pool have been up and chugging along with no problems. Whatever application you are using this for, I suggest getting a drive scanner like StableBit Scanner or other similar products to monitor your drives for problems. It could save you a lot of headaches in diagnosing the array when it goes down because it is functioning as designed (bad disk detected). PROS: -Button on front panel for switching the interface between eSata and USB 3.0 -Unit can be configured to turn on and off with main computer -Returns a unique but fake serial number for each drive (the StarTech returns the same fake serial number for each drive) -Passes SMART information from disk drives via the USB interface (not always the case with these enclosures) -Indicates problem disks by flashing the drive's LED -Less costly than other comparable enclosures such as the StarTech I also purchased (and later returned) -Smaller and lighter than the StarTech CONS: -No drive carriers. -Side orientation not easy to insert drives into because of carrier-less design. -The entire enclosure goes offline when a bad disk is detected (its LED flashes, noted as a PRO above)

5.0 out of 5 stars
By urufish - Reviewed in the United States on October 21, 2015
Perfect for 64TB of storage on a single USB3.0 port
I bought this box (Mediasonic H82-SUS32 ProBox 8 bay 3.5") on the recommendation of a friend. I wanted 64TB on one USB connection. I bought 8 x 8TB Seagate drives. Formatted them for GBT. Spent a week copying 64TB to them. Put them all in the box. Works great. Prior to this, I had a dozen drives connected to a couple of multiport USB's..... several times a day one or two would disconnect and cause others to reset... I've had this box going 24/7 for the past 2 weeks. not a single reset. There is one drawback worth mentioning. With the cabinet door closed, drive temperatures are 4-6 degrees centigrade higher than with the door open. The cooler the drives run, the longer they stay healthy. If any of the Mediasonic engineers are listening, the door should be perforated... The intake at the bottom may look wonderful in an engineering drawing but it sucks in real life. I bought a 15' foot USB cable so I can remote the box far enough away so I can leave the door open without hearing the fans. At a room temp of 24 deg cent, the drives run 32-34 deg cent. With the door closed, they run 36-40 deg cent. Except for that one issue, these boxes are perfect in every way. Update year later: It's been running 24/7 for a year except when I shut them down for service. Shut it down, remove the drives, vacuum the chassis, vacuum the drives, put them back in, turn it back on. These boxes are workhorses. Buying another next month.

4.0 out of 5 stars
By Jason C. Coleman - Reviewed in the United States on October 31, 2019
Decent for the price, ACCEPTS SHUCKED PWDIS DISKS
This will be a brief review, I don't need to go super in-depth, I'm going to give you a review that hits the things you care about. First up: reliability. I'm on my second. My first one failed after about 4 years, in probably a not great environment. I'm not sure that it didn't fail because I had it in less than ideal conditions. Other than that, it was solid right up until it died. Next: USB. NO UASP support. The USB 3.0 has always been a little flakey for me with MediaSonic enclosures, so I tend not to use it. You get a random disconnect, here and there, especially under heavy load. I wouldn't recommend using the USB interface for an always on file server. eSATA: Works well, you do need a port replicator capable SATA interface to see all the disks, but single cable for 8-disks? Nice. I believe that it will fall back to the lowest connected device though, i.e. you throw an older disk in that only does SATA-1, and you are running at SATA-1. This makes sense if you think about it. Also seems to be fine hot-adding disks and hot-disconnecting from the interface. I can plug into a booted system and it works as expected without reboot. YMMV. Now the big question on everyone's mind. PWDIS support. The official line from MediaSonic is PWDIS is not supported. This is a technically correct statement. You cannot power cycle a disk with PWDIS features. Now, the question you probably were asking: If I stick a PWDIS disk in this thing, will it be recognized? The answer to that question is YES. I have 2, 10TB WD white label disks that don't work in my other array, or in some of my older computers, but work absolutely fine in this thing. Other features are nice, I don't use them at all (auto-disconnect/power on with signal etc). All and all I've been very satisfied with this thing, especially for 250$.