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Availability:
In Stock.
Arrives
Wednesday, Sep 9
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Size: 28-34.4in
Features
- UNIVERSAL 19'' FIT: 1U 4-post vented rack-mount shelf fits EIA-310-compliant 19-inch server racks/cabinets; Adjustable mounting depth range of 6.4in (16.3cm); Usable mounting area of 17.1x27.5in (43.5x70cm) to support various equipment sizes
- ADJUSTABLE DEPTH: Customize the mounting depth from 28 to 34.4in (71 to 87.3cm) to fit racks or cabinets of various depths, ensuring a secure and tailored fit; The rear mounting brackets feature multiple slots to accommodate the required mounting depth
- MAXIMIZE VENTILATION: The venting holes help promote passive airflow for optimal heat dissipation, maintaining consistent temperatures for the mounted equipment
- DURABLE DESIGN: Made of cold-rolled steel, the sturdy cabinet shelf is designed for long-term durability; Max weight capacity of 150lb (68kg); M5 cage nuts and screws are included
- VERSATILE FUNCTIONALITY: Designed to fit in 4-post server racks, the tray provides storage space for tools and accessories, improving workspace efficiency and accessibility; Use for non-rack mountable equipment such as KVM, modem, router, UPS, and others
Description
This 1U Server Rack Shelf adds adjustable mounting depth to any EIA-310 compliant 4-post 19-inch rack or cabinet. The depth can be adjusted by up to 6.4in (16.3cm), ranging from 28 to 34.4in (71.1 to 87.3cm), to support a wide range of equipment configurations. The venting holes on the shelf surface enable improved airflow to dissipate heat and helps maintain optimal equipment temperatures. The variable depth rack tray is made of 19-gauge (1.1mm) SPCC steel for long-term durability, sturdiness, and rigidity while supporting up to150 (68kg) of equipment. Accommodate server rack equipment, accessories, or non-mountable devices for ease of access and connectivity.
Brand:
Color: Black
Product Dimensions: 19"D x 28"W x 1.7"H
Size: 28-34.4in
Material: Alloy Steel
Brand: StarTech.com
Number of Items: 1
Manufacturer: StarTech.com
UPC: 065030912877
Model Number: ADJSHELFV-RACK
Mfr Part Number: ADJSHELFV-RACK
Warranty Description: Lifetime
Item Dimensions D x W x H: 19"D x 28"W x 1.7"H
Size: 28-34.4in
Item Weight: 7.8 pounds
Compatible Devices: Server
Mounting Type: Rack Mount
Weight Capacity: Minimum weight 142.2 pounds
Color: Black
Enclosure Material: Alloy Steel
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Wednesday, Sep 9
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Size: 19.5-38in
I got these to hold our 1U network devices. The rails in our datacenter are really thin and bendy, and even a medium sized switch sags with just the single front brackets. So I installed these shelved under each pair of switch / firewall. Worked great. Installing these is pretty straightforward, you attach 4 corner supports on the rails, then slide the shelf in. There are 2 shorter rails, and 2 longer ones. So you have an option to have the shelf a bit recessed on either the front or back. The shelf itself is pretty light, but holds a ton of weight. We have two monster switches that weight about 40 lbs each, and will bend the rails without rear support. With these shelves, it not only helped with the sag, but made installing soooo much easier. No more trying to hold up a switch while you try to install screws with a shaky hand. You just set the switch on the shelf. Way easier. I'm going to use these with all our cabinets, even the ones with thicker rails, just because it makes installation faster and safer.
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Reviewed in the United States on February 4, 2021 by welder314
Size: 19.5-38in
Writing this review after purchasing six of these over the years. I have a full size server rack that houses my home network and home theater gear. This is a very strong shelf. It's unlikely you'll ever put 175 pounds of stuff on this shelf unless you're using it for a non-standard purpose, such as storing bags of cement or bricks. I have two, 4U servers that are home-built, meaning they didn't come with rack rails. Though you can get generic rack rails, they never work correctly and are more trouble than they are worth. Those go on these shelves. I have a a Denon HT receiver/amp that weighs about 30 pounds. A regular, 2U rackmount shelf just bends and isn't safe. So that goes on one of these shelves too. There is a trick to installing these shelves in a rack and it helps big time if your rack has open sides like mine does. Only attach the front mounting ears to the shelf. You will need about 4U worth of space to slide the shelf into the rack with the front ears attached b/c the screws that hold the ears to the shelf stick out and won't clear the rack rails. You'll have to angle the shelf diagonally a little bit to slide it in. Loosely secure the front brackets to the rack rails. Loosely install the rear brackets on the shelf, leaving them loose enough to slide back and forth. Tighten the rear mounting ears to the rack rails. Tighten the rear brackets to the shelf. Now, tighten the front brackets. I recommend using a socket and socket wrench on the nut, while you hold the screw in place with a Philips screwdriver to tighten the brackets to the shelf. The brackets are what hold the shelf up. Tighten the snot out of the brackets and you'll never have a problem. The mounting ears are exactly 1U in height, meaning if you intend on mounting something directly underneath the shelf, you have to ensure the brackets don't sag downwards into the 1U space directly underneath it b/c it will interfere with whatever you're trying to slide into that space. Other than those quirks, these things are built like a tank. I've had 100 pound UPS's and servers that weighed almost that much on these shelves and they don't bend, break, creak or do anything but sit there and take it. Pre-pandemic these shelves were about 25% cheaper than they are now. But, everything has gone up in price. Welcome to the new reality, I guess. Highly recommend this rackmount shelf!
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Reviewed in the United States on August 11, 2023 by Cosmo
Size: 19.5-38in
Overall the shelves are very nice and feel very sturdy. They were a bit snug trying to get them installed in my server rack at first. Once they were properly installed, they feel very secure and support my server equipment nicely. Overall a good purchase and would recommend if you're looking for adjustable shelves.
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Reviewed in the United States on June 3, 2023 by Kevin
Size: 28-34.4in
They're the same quality that you find in other startech products. Pretty well built, but in this case, I don't love the adjustment for depth nor the style of installation. The depth sliders are tightened on the outside of the shelf, which is fine for open racks but it means you can't reach them if you're installing in abutting racks or cages. It means you can't just leave it a bit loose, hang it, then tighten to depth. You have to measure, tighten (four nuts), then install. Not a big deal, but if you didn't take a tape measure... Also, one end or the other needs a peg or spring attachment for the rack. These really take two people to install as you have to hold both ends in place at once to install. It's possible, but awkward. I used two shelves and it was fine, but I wouldn't want to install 20.
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Reviewed in the United States on December 10, 2025 by David Jacobsen
Size: 19.5-38in
This is an excellent shelf. As others advised, the adjustable part is a bit misleading. The shelf is fixed at 27-1/2" deep with a standard 19" rack width and 1U height It is adjustable in that the mounting brackets can be slide up and down the sides so that it fits multiple rack depths. The caveat is having some part of the shelf protrude if your rack is less than 27-1/2" deep. If this will work for your requirements, then this is a good shelf. It is well ventilated, designed and made from heavy duty metal. It will support the weight it is advertised to support - 175 lb..
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Reviewed in the United States on June 1, 2015 by John Criswell
Size: 19.5-38in
Solid rack shelf. While the shelf itself is of fixed length, the mounting brackets can be adjusted to proper depth. Which was pretty easy to do. 2 screws for each bracket (total 8 screws). Installing it in my rack was simple; probably took me an hour altogether. Though as you can see from my pics, I have full access from all sides. Might be more difficult to do in more enclosed racks. As you can see in the pics, I placed my tower server and other peripherals on the shelf. It's not flimsy, so I had no concerns if the shelf could support the weight or not.
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Reviewed in the United States on December 6, 2024 by Giles R.
Size: 19.5-38in
The product description doesn't make it clear that this shelf is designed for 4-post racks only. You have to download the PDF manual from StarTech's website to confirm this. I ordered this shelf anyway for a 2-post rack, figuring I could modify it easily for a 2-poster. I own a number of other StarTech products (rack hardware, server enclosures, etc.), and I've been very impressed with StarTech's quality. I was equally impressed with the quality of this shelf. It's well-designed, well-built, and very strong. The shelf surface is welded to a "frame" that can hold significant weight. And as I estimated, the shelf was very easy to modify for my 2-post rack. I only had to drill three holes per side -- six total -- to mount the four included rack "ears" to the shelf frame using the included nuts/bolts. (I used existing "slots" for the fourth hole for each side.) It took me a total of 30 minutes to measure, drill, and clean up. Note that the shelf also comes with eight 10-32 rack screws for mounting into a rack. 10-32 threading is the most common for audio/video racks, but 12-24 is the standard for IT and telecom racks. Therefore, I had to supply my own 12-24 rack screws -- not a big deal since most purchasers of this shelf will already have their own rack screws to match their racks.
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Reviewed in the United States on June 12, 2012 by Bike Geek
Size: 19.5-38in
I found the Startech branded equipment many years ago and never looked back. This shelf is what I use in a 4-post rack and it is adjustable to the depth of the rack, which sometimes is 28" deep to 32" deep, this shelf has the arms that can extend perfectly no matter the length of the rack. I love how the arms wrap around the top and bottom of the shelf to hold it in place, even with one bolt if needed, but use the 2 for each side. I place two heafty servers side-by-side and have a standup UPS behind them and the shelf doesn't budge. This is a rack shelf I purchase every time, I never source or seek out any other brand, and they have never been anything less than perfect after 10 + years of heavy servers on them. The only time I will not buy this shelf is when StarTech stops making them, then I will be sad.
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Reviewed in the United States on February 20, 2022 by Don B.