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SAMSUNG BAR Plus 128GB - 300MB/s USB 3.1 Flash Drive, Titan Gray (MUF-128BE4/AM)
SAMSUNG BAR Plus 128GB - 300MB/s USB 3.1 Flash Drive, Titan Gray (MUF-128BE4/AM)
SAMSUNG BAR Plus 128GB - 300MB/s USB 3.1 Flash Drive, Titan Gray (MUF-128BE4/AM)
SAMSUNG BAR Plus 128GB - 300MB/s USB 3.1 Flash Drive, Titan Gray (MUF-128BE4/AM)
SAMSUNG BAR Plus 128GB - 300MB/s USB 3.1 Flash Drive, Titan Gray (MUF-128BE4/AM)
SAMSUNG BAR Plus 128GB - 300MB/s USB 3.1 Flash Drive, Titan Gray (MUF-128BE4/AM)
SAMSUNG BAR Plus 128GB - 300MB/s USB 3.1 Flash Drive, Titan Gray (MUF-128BE4/AM)
SAMSUNG BAR Plus 128GB - 300MB/s USB 3.1 Flash Drive, Titan Gray (MUF-128BE4/AM)
SAMSUNG BAR Plus 128GB - 300MB/s USB 3.1 Flash Drive, Titan Gray (MUF-128BE4/AM)

SAMSUNG BAR Plus 128GB - 300MB/s USB 3.1 Flash Drive, Titan Gray (MUF-128BE4/AM)

SAMSUNG BAR Plus 128GB - 300MB/s USB 3.1 Flash Drive, Titan Gray (MUF-128BE4/AM)
SAMSUNG BAR Plus 128GB - 300MB/s USB 3.1 Flash Drive, Titan Gray (MUF-128BE4/AM)
SAMSUNG BAR Plus 128GB - 300MB/s USB 3.1 Flash Drive, Titan Gray (MUF-128BE4/AM)
SAMSUNG BAR Plus 128GB - 300MB/s USB 3.1 Flash Drive, Titan Gray (MUF-128BE4/AM)
SAMSUNG BAR Plus 128GB - 300MB/s USB 3.1 Flash Drive, Titan Gray (MUF-128BE4/AM)
SAMSUNG BAR Plus 128GB - 300MB/s USB 3.1 Flash Drive, Titan Gray (MUF-128BE4/AM)
SAMSUNG BAR Plus 128GB - 300MB/s USB 3.1 Flash Drive, Titan Gray (MUF-128BE4/AM)
SAMSUNG BAR Plus 128GB - 300MB/s USB 3.1 Flash Drive, Titan Gray (MUF-128BE4/AM)
SAMSUNG BAR Plus 128GB - 300MB/s USB 3.1 Flash Drive, Titan Gray (MUF-128BE4/AM)
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Features

  • SPEED: Redefine everyday file transfers with speeds up to 300MB/s
  • SECURITY: Reliable and secure storage for your photos, videos, music, and files
  • STYLISH: Rugged metal casing for durability with key ring to prevent loss
  • DURABILITY: Safeguard your data (Water proof, shock proof, magnet proof, temperature proof, x-ray proof)
  • COMPATIBILITY: USB 3.1 flash drive with backwards compatibility (USB 3.0, USB 2.0)

Description

Redefine everyday file transfers with the Samsung BAR Plus USB 3.1 Flash Drive. Just plug it in and expand the storage of your devices with an unnoticeable, seamless fit. Designed with a key ring to prevent loss. Fast and convenient read speeds up to 300MB/s*, so that you have more time to work, play, watch, and create. A reliable and secure solution for your personal photos, videos, music, documents, and files. Safeguard your data backed by a 5-year limited warranty (water proof, shock proof, magnet proof, temperature proof, x-ray proof). Experience Samsung's industry-leading V-NAND (64 layer) technology. *Speeds may vary by capacity.Operating Temperature :0~60℃


Number of USB 3.0 Ports 1


Brand SAMSUNG


Item model number MUF-128BE4/AM


Hardware Platform PC


Item Weight 0.04 ounces


Product Dimensions 1.58 x 0.61 x 0.47 inches


Item Dimensions LxWxH 1.58 x 0.61 x 0.47 inches


Color Gray


Manufacturer Samsung Electronics DAV


ASIN B07BPG9YX9


Is Discontinued By Manufacturer No


Date First Available April 30, 2018


Customer Reviews 4.7 out of 5 stars 12,084 ratings 4.7 out of 5 stars


Best Sellers Rank #50 in USB Flash Drives


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

  • SPEED: Redefine everyday file transfers with speeds up to 300MB/s
  • SECURITY: Reliable and secure storage for your photos, videos, music, and files
  • STYLISH: Rugged metal casing for durability with key ring to prevent loss
  • DURABILITY: Safeguard your data (Water proof, shock proof, magnet proof, temperature proof, x-ray proof)
  • COMPATIBILITY: USB 3.1 flash drive with backwards compatibility (USB 3.0, USB 2.0)

Description

Redefine everyday file transfers with the Samsung BAR Plus USB 3.1 Flash Drive. Just plug it in and expand the storage of your devices with an unnoticeable, seamless fit. Designed with a key ring to prevent loss. Fast and convenient read speeds up to 300MB/s*, so that you have more time to work, play, watch, and create. A reliable and secure solution for your personal photos, videos, music, documents, and files. Safeguard your data backed by a 5-year limited warranty (water proof, shock proof, magnet proof, temperature proof, x-ray proof). Experience Samsung's industry-leading V-NAND (64 layer) technology. *Speeds may vary by capacity.Operating Temperature :0~60℃


Number of USB 3.0 Ports 1


Brand SAMSUNG


Item model number MUF-128BE4/AM


Hardware Platform PC


Item Weight 0.04 ounces


Product Dimensions 1.58 x 0.61 x 0.47 inches


Item Dimensions LxWxH 1.58 x 0.61 x 0.47 inches


Color Gray


Manufacturer Samsung Electronics DAV


ASIN B07BPG9YX9


Is Discontinued By Manufacturer No


Date First Available April 30, 2018


Customer Reviews 4.7 out of 5 stars 12,084 ratings 4.7 out of 5 stars


Best Sellers Rank #50 in USB Flash Drives


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

  • SPEED: Redefine everyday file transfers with speeds up to 300MB/s
  • SECURITY: Reliable and secure storage for your photos, videos, music, and files
  • STYLISH: Rugged metal casing for durability with key ring to prevent loss
  • DURABILITY: Safeguard your data (Water proof, shock proof, magnet proof, temperature proof, x-ray proof)
  • COMPATIBILITY: USB 3.1 flash drive with backwards compatibility (USB 3.0, USB 2.0)

Description

Redefine everyday file transfers with the Samsung BAR Plus USB 3.1 Flash Drive. Just plug it in and expand the storage of your devices with an unnoticeable, seamless fit. Designed with a key ring to prevent loss. Fast and convenient read speeds up to 300MB/s*, so that you have more time to work, play, watch, and create. A reliable and secure solution for your personal photos, videos, music, documents, and files. Safeguard your data backed by a 5-year limited warranty (water proof, shock proof, magnet proof, temperature proof, x-ray proof). Experience Samsung's industry-leading V-NAND (64 layer) technology. *Speeds may vary by capacity.Operating Temperature :0~60℃


Number of USB 3.0 Ports 1


Brand SAMSUNG


Item model number MUF-128BE4/AM


Hardware Platform PC


Item Weight 0.04 ounces


Product Dimensions 1.58 x 0.61 x 0.47 inches


Item Dimensions LxWxH 1.58 x 0.61 x 0.47 inches


Color Gray


Manufacturer Samsung Electronics DAV


ASIN B07BPG9YX9


Is Discontinued By Manufacturer No


Date First Available April 30, 2018


Customer Reviews 4.7 out of 5 stars 12,084 ratings 4.7 out of 5 stars


Best Sellers Rank #50 in USB Flash Drives


abunda_amazon_reviews Bought three of these Samsung BAR plus in 64GB, two for key chain use, one to have handy on my desk. Made sure Amazon was the seller to help avoid any risk of non-genuine Samsung parts. Just arrived and burned each one in briefly using CrystalDiskMark, so I could both be sure each worked and compare speeds between the units. All three tested within about 2% of each other on each benchmark. Importantly, the sequential read speeds exceeded the claimed 200 MB/s in each case, averaging 224 MB/s. Writes were all 34MB/s. All tests were conducted on my laptop, a Lenovo Flex5, on a USB 3.0 port. Clearly the sequential read speeds take advantage of USB3.0 bandwidth. Overall very pleased for the price and the key chain friendly stainless steel casing. Note I did put a cover on the USB end of each, using the covers from Honbay 40pcs Semitransparent Black and Clear Plastic USB Male Anti-Dust Plug Stopper Cap Cover . I wanted just a bit more protection when used on key chains from dents and the elements. These Honbay covers fit snugly yet come off relatively easily. These feel like TPR, which is good for grip and flexibility. Pros +Fairly fast overall for the price, and clearly very fast at sequential reads. +Good looking, tough stainless steel body +Great form factor for handling - only as wide as a USB port so they won't cause any interference with adjacent ports, a bit longer than the really small USB drives designed to stay mounted all the time, but therefore very easy to get in and out, especially with the raised end near the lanyard hole providing a nice grip. +Hangs just fine on my key chain, a Maxpedition Gear Keyper Maxpedition Gear Keyper, Foliage Green using a FREEkey ring, the absolutely most secure rings you can buy in my experience FREEkey Accessory Ring Spares, 10 Count Cons -wish for faster write speeds -gets warm but not so hot as to be a concern so far No data yet on reliability, will updated if I find any issues. CrystalDiskMark results, below... ----------------------------------------------------------------------- CrystalDiskMark 6.0.0 x64 (C) 2007-2017 hiyohiyo Crystal Dew World : https://crystalmark.info/ ----------------------------------------------------------------------- * MB/s = 1,000,000 bytes/s [SATA/600 = 600,000,000 bytes/s] * KB = 1000 bytes, KiB = 1024 bytes Sequential Read (Q= 32,T= 1) : 224.198 MB/s Sequential Write (Q= 32,T= 1) : 34.365 MB/s Random Read 4KiB (Q= 8,T= 8) : 13.355 MB/s [ 3260.5 IOPS] Random Write 4KiB (Q= 8,T= 8) : 13.147 MB/s [ 3209.7 IOPS] Random Read 4KiB (Q= 32,T= 1) : 13.285 MB/s [ 3243.4 IOPS] Random Write 4KiB (Q= 32,T= 1) : 13.377 MB/s [ 3265.9 IOPS] Random Read 4KiB (Q= 1,T= 1) : 12.632 MB/s [ 3084.0 IOPS] Random Write 4KiB (Q= 1,T= 1) : 12.593 MB/s [ 3074.5 IOPS] Test : 1024 MiB [E: 0.0% (0.0/59.8 GiB)] (x5) [Interval=5 sec] Date : 2018/07/03 4:03:29 OS : Windows 10 Professional [10.0 Build 17134] (x64);;Reviewed in the United States on July 3, 2018;;5.0 out of 5 stars;;Fast for the price, great form factor for key ring, consistent performance across multiple units, stylish - see DiskMark results;;Robbster;;;I lost my old metal USB from Samsung that was a 64GB. I figured this USB since it is new would be just as good so I purchased a 128GB one. Boy, was I wrong. My old metal Samsung USB would do read/write speeds consistently at 20-30MB/s and it was great. This one does 800 KB/s to 1.2 MB/s. It's horrible. Gosh, what a terrible USB drive. Buy the old Samsung USB. I linked it below because this new one is trash. https://www.amazon.com/Samsung-METAL-Flash-MUF-32BA-AM/dp/B013CCTJKE/ref=sr_1_4?ie=UTF8&qid=1538872011&sr=8-4&keywords=samsung%2Bmetal%2Busb&th=1;;Reviewed in the United States on October 6, 2018;;1.0 out of 5 stars;;This USB Is Horrible;;Joseph Wilson;;;Samsung BAR Plus 128 GB Flash Drive. I was testing USB ports and cables for a new computer build using ATTO Disk Benchmark version 4.00.0f2. with the following settings: Direct I/O – enabled Bypass Write Cache – enabled (to see the real speed) Verify Data – enabled I/O Size – 512 B to 64 MB File Size – 256 MB Test Pattern – Random Typical Write Speed – 48 MB/s to 50 MB/s (with block sizes over 128 KB) Typical Read Speed – 280 MB/s to 320 MB/s (with block sizes over 128 KB) After about 80 to 100 passes the Write Speed would erratically drop to 8 MB/s to 12 MB/s. Not particular to any data block size – will happen on small, medium and large block sizes. Sometimes for just a couple test patterns and sometimes for 2-3 full passes of ATTO. The Read Speed stayed consistent at 280 MB/s – 320 MB/s. No data was corrupted or lost – just erratic write speeds. The metal casing would get warm but never hot to the touch. Amazon sent me another Samsung BAR Plus 128 GB Flash Drive. It did the exact same thing after about 80 to 100 passes of the ATTO Disk Benchmark test. I sent both back. I really like all the features of this flash drive. I hope Samsung will fix the erratic write speeds on the next version. I will buy it again if they do.;;Reviewed in the United States on August 21, 2018;;2.0 out of 5 stars;;Erratic write speeds;;norsemale;;;Decent performance for a 32GB drive, but wish the write speeds were better. ATTO tests shows a solid 227MB/s read speeds, but write speeds were in the 25-28MB/s range. In Windows 10, write speeds are regularly between 16-20MB/s when copying large files. Gets warm but not hot, unlike the last gen METAL BAR drive. The Grey drive has a matte feel, not slippery like the chrome version of the previous gen (which I was always dropping because of it's slippery nature). Other drives (like Sandisk Flair) that cost less offer about the same write speed, so I would say that write speeds are this drives downside. BUT, I use these as Windows installers, so price and read speed is most important to me. It's a few bucks more than a Sandisk Flair, but I've found the Flair's to be unreliable after about a year, so hopefully these will fair better.;;Reviewed in the United States on May 26, 2018;;4.0 out of 5 stars;;Decent drive with still slow write speeds.;;D. Mylrea

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


5.0 out of 5 stars
By Robbster - Reviewed in the United States on July 3, 2018
Fast for the price, great form factor for key ring, consistent performance across multiple units, stylish - see DiskMark results
Bought three of these Samsung BAR plus in 64GB, two for key chain use, one to have handy on my desk. Made sure Amazon was the seller to help avoid any risk of non-genuine Samsung parts. Just arrived and burned each one in briefly using CrystalDiskMark, so I could both be sure each worked and compare speeds between the units. All three tested within about 2% of each other on each benchmark. Importantly, the sequential read speeds exceeded the claimed 200 MB/s in each case, averaging 224 MB/s. Writes were all 34MB/s. All tests were conducted on my laptop, a Lenovo Flex5, on a USB 3.0 port. Clearly the sequential read speeds take advantage of USB3.0 bandwidth. Overall very pleased for the price and the key chain friendly stainless steel casing. Note I did put a cover on the USB end of each, using the covers from Honbay 40pcs Semitransparent Black and Clear Plastic USB Male Anti-Dust Plug Stopper Cap Cover . I wanted just a bit more protection when used on key chains from dents and the elements. These Honbay covers fit snugly yet come off relatively easily. These feel like TPR, which is good for grip and flexibility. Pros +Fairly fast overall for the price, and clearly very fast at sequential reads. +Good looking, tough stainless steel body +Great form factor for handling - only as wide as a USB port so they won't cause any interference with adjacent ports, a bit longer than the really small USB drives designed to stay mounted all the time, but therefore very easy to get in and out, especially with the raised end near the lanyard hole providing a nice grip. +Hangs just fine on my key chain, a Maxpedition Gear Keyper Maxpedition Gear Keyper, Foliage Green using a FREEkey ring, the absolutely most secure rings you can buy in my experience FREEkey Accessory Ring Spares, 10 Count Cons -wish for faster write speeds -gets warm but not so hot as to be a concern so far No data yet on reliability, will updated if I find any issues. CrystalDiskMark results, below... ----------------------------------------------------------------------- CrystalDiskMark 6.0.0 x64 (C) 2007-2017 hiyohiyo Crystal Dew World : https://crystalmark.info/ ----------------------------------------------------------------------- * MB/s = 1,000,000 bytes/s [SATA/600 = 600,000,000 bytes/s] * KB = 1000 bytes, KiB = 1024 bytes Sequential Read (Q= 32,T= 1) : 224.198 MB/s Sequential Write (Q= 32,T= 1) : 34.365 MB/s Random Read 4KiB (Q= 8,T= 8) : 13.355 MB/s [ 3260.5 IOPS] Random Write 4KiB (Q= 8,T= 8) : 13.147 MB/s [ 3209.7 IOPS] Random Read 4KiB (Q= 32,T= 1) : 13.285 MB/s [ 3243.4 IOPS] Random Write 4KiB (Q= 32,T= 1) : 13.377 MB/s [ 3265.9 IOPS] Random Read 4KiB (Q= 1,T= 1) : 12.632 MB/s [ 3084.0 IOPS] Random Write 4KiB (Q= 1,T= 1) : 12.593 MB/s [ 3074.5 IOPS] Test : 1024 MiB [E: 0.0% (0.0/59.8 GiB)] (x5) [Interval=5 sec] Date : 2018/07/03 4:03:29 OS : Windows 10 Professional [10.0 Build 17134] (x64)

1.0 out of 5 stars
By Joseph Wilson - Reviewed in the United States on October 6, 2018
This USB Is Horrible
I lost my old metal USB from Samsung that was a 64GB. I figured this USB since it is new would be just as good so I purchased a 128GB one. Boy, was I wrong. My old metal Samsung USB would do read/write speeds consistently at 20-30MB/s and it was great. This one does 800 KB/s to 1.2 MB/s. It's horrible. Gosh, what a terrible USB drive. Buy the old Samsung USB. I linked it below because this new one is trash. https://www.amazon.com/Samsung-METAL-Flash-MUF-32BA-AM/dp/B013CCTJKE/ref=sr_1_4?ie=UTF8&qid=1538872011&sr=8-4&keywords=samsung%2Bmetal%2Busb&th=1

2.0 out of 5 stars
By norsemale - Reviewed in the United States on August 21, 2018
Erratic write speeds
Samsung BAR Plus 128 GB Flash Drive. I was testing USB ports and cables for a new computer build using ATTO Disk Benchmark version 4.00.0f2. with the following settings: Direct I/O – enabled Bypass Write Cache – enabled (to see the real speed) Verify Data – enabled I/O Size – 512 B to 64 MB File Size – 256 MB Test Pattern – Random Typical Write Speed – 48 MB/s to 50 MB/s (with block sizes over 128 KB) Typical Read Speed – 280 MB/s to 320 MB/s (with block sizes over 128 KB) After about 80 to 100 passes the Write Speed would erratically drop to 8 MB/s to 12 MB/s. Not particular to any data block size – will happen on small, medium and large block sizes. Sometimes for just a couple test patterns and sometimes for 2-3 full passes of ATTO. The Read Speed stayed consistent at 280 MB/s – 320 MB/s. No data was corrupted or lost – just erratic write speeds. The metal casing would get warm but never hot to the touch. Amazon sent me another Samsung BAR Plus 128 GB Flash Drive. It did the exact same thing after about 80 to 100 passes of the ATTO Disk Benchmark test. I sent both back. I really like all the features of this flash drive. I hope Samsung will fix the erratic write speeds on the next version. I will buy it again if they do.

4.0 out of 5 stars
By D. Mylrea - Reviewed in the United States on May 26, 2018
Decent drive with still slow write speeds.
Decent performance for a 32GB drive, but wish the write speeds were better. ATTO tests shows a solid 227MB/s read speeds, but write speeds were in the 25-28MB/s range. In Windows 10, write speeds are regularly between 16-20MB/s when copying large files. Gets warm but not hot, unlike the last gen METAL BAR drive. The Grey drive has a matte feel, not slippery like the chrome version of the previous gen (which I was always dropping because of it's slippery nature). Other drives (like Sandisk Flair) that cost less offer about the same write speed, so I would say that write speeds are this drives downside. BUT, I use these as Windows installers, so price and read speed is most important to me. It's a few bucks more than a Sandisk Flair, but I've found the Flair's to be unreliable after about a year, so hopefully these will fair better.

Recent Reviews


5.0 out of 5 stars
By Robbster - Reviewed in the United States on July 3, 2018
Fast for the price, great form factor for key ring, consistent performance across multiple units, stylish - see DiskMark results
Bought three of these Samsung BAR plus in 64GB, two for key chain use, one to have handy on my desk. Made sure Amazon was the seller to help avoid any risk of non-genuine Samsung parts. Just arrived and burned each one in briefly using CrystalDiskMark, so I could both be sure each worked and compare speeds between the units. All three tested within about 2% of each other on each benchmark. Importantly, the sequential read speeds exceeded the claimed 200 MB/s in each case, averaging 224 MB/s. Writes were all 34MB/s. All tests were conducted on my laptop, a Lenovo Flex5, on a USB 3.0 port. Clearly the sequential read speeds take advantage of USB3.0 bandwidth. Overall very pleased for the price and the key chain friendly stainless steel casing. Note I did put a cover on the USB end of each, using the covers from Honbay 40pcs Semitransparent Black and Clear Plastic USB Male Anti-Dust Plug Stopper Cap Cover . I wanted just a bit more protection when used on key chains from dents and the elements. These Honbay covers fit snugly yet come off relatively easily. These feel like TPR, which is good for grip and flexibility. Pros +Fairly fast overall for the price, and clearly very fast at sequential reads. +Good looking, tough stainless steel body +Great form factor for handling - only as wide as a USB port so they won't cause any interference with adjacent ports, a bit longer than the really small USB drives designed to stay mounted all the time, but therefore very easy to get in and out, especially with the raised end near the lanyard hole providing a nice grip. +Hangs just fine on my key chain, a Maxpedition Gear Keyper Maxpedition Gear Keyper, Foliage Green using a FREEkey ring, the absolutely most secure rings you can buy in my experience FREEkey Accessory Ring Spares, 10 Count Cons -wish for faster write speeds -gets warm but not so hot as to be a concern so far No data yet on reliability, will updated if I find any issues. CrystalDiskMark results, below... ----------------------------------------------------------------------- CrystalDiskMark 6.0.0 x64 (C) 2007-2017 hiyohiyo Crystal Dew World : https://crystalmark.info/ ----------------------------------------------------------------------- * MB/s = 1,000,000 bytes/s [SATA/600 = 600,000,000 bytes/s] * KB = 1000 bytes, KiB = 1024 bytes Sequential Read (Q= 32,T= 1) : 224.198 MB/s Sequential Write (Q= 32,T= 1) : 34.365 MB/s Random Read 4KiB (Q= 8,T= 8) : 13.355 MB/s [ 3260.5 IOPS] Random Write 4KiB (Q= 8,T= 8) : 13.147 MB/s [ 3209.7 IOPS] Random Read 4KiB (Q= 32,T= 1) : 13.285 MB/s [ 3243.4 IOPS] Random Write 4KiB (Q= 32,T= 1) : 13.377 MB/s [ 3265.9 IOPS] Random Read 4KiB (Q= 1,T= 1) : 12.632 MB/s [ 3084.0 IOPS] Random Write 4KiB (Q= 1,T= 1) : 12.593 MB/s [ 3074.5 IOPS] Test : 1024 MiB [E: 0.0% (0.0/59.8 GiB)] (x5) [Interval=5 sec] Date : 2018/07/03 4:03:29 OS : Windows 10 Professional [10.0 Build 17134] (x64)

1.0 out of 5 stars
By Joseph Wilson - Reviewed in the United States on October 6, 2018
This USB Is Horrible
I lost my old metal USB from Samsung that was a 64GB. I figured this USB since it is new would be just as good so I purchased a 128GB one. Boy, was I wrong. My old metal Samsung USB would do read/write speeds consistently at 20-30MB/s and it was great. This one does 800 KB/s to 1.2 MB/s. It's horrible. Gosh, what a terrible USB drive. Buy the old Samsung USB. I linked it below because this new one is trash. https://www.amazon.com/Samsung-METAL-Flash-MUF-32BA-AM/dp/B013CCTJKE/ref=sr_1_4?ie=UTF8&qid=1538872011&sr=8-4&keywords=samsung%2Bmetal%2Busb&th=1

2.0 out of 5 stars
By norsemale - Reviewed in the United States on August 21, 2018
Erratic write speeds
Samsung BAR Plus 128 GB Flash Drive. I was testing USB ports and cables for a new computer build using ATTO Disk Benchmark version 4.00.0f2. with the following settings: Direct I/O – enabled Bypass Write Cache – enabled (to see the real speed) Verify Data – enabled I/O Size – 512 B to 64 MB File Size – 256 MB Test Pattern – Random Typical Write Speed – 48 MB/s to 50 MB/s (with block sizes over 128 KB) Typical Read Speed – 280 MB/s to 320 MB/s (with block sizes over 128 KB) After about 80 to 100 passes the Write Speed would erratically drop to 8 MB/s to 12 MB/s. Not particular to any data block size – will happen on small, medium and large block sizes. Sometimes for just a couple test patterns and sometimes for 2-3 full passes of ATTO. The Read Speed stayed consistent at 280 MB/s – 320 MB/s. No data was corrupted or lost – just erratic write speeds. The metal casing would get warm but never hot to the touch. Amazon sent me another Samsung BAR Plus 128 GB Flash Drive. It did the exact same thing after about 80 to 100 passes of the ATTO Disk Benchmark test. I sent both back. I really like all the features of this flash drive. I hope Samsung will fix the erratic write speeds on the next version. I will buy it again if they do.

4.0 out of 5 stars
By D. Mylrea - Reviewed in the United States on May 26, 2018
Decent drive with still slow write speeds.
Decent performance for a 32GB drive, but wish the write speeds were better. ATTO tests shows a solid 227MB/s read speeds, but write speeds were in the 25-28MB/s range. In Windows 10, write speeds are regularly between 16-20MB/s when copying large files. Gets warm but not hot, unlike the last gen METAL BAR drive. The Grey drive has a matte feel, not slippery like the chrome version of the previous gen (which I was always dropping because of it's slippery nature). Other drives (like Sandisk Flair) that cost less offer about the same write speed, so I would say that write speeds are this drives downside. BUT, I use these as Windows installers, so price and read speed is most important to me. It's a few bucks more than a Sandisk Flair, but I've found the Flair's to be unreliable after about a year, so hopefully these will fair better.