Black Box 1-877-877-2269 



Wallmount Cabinet - 4U, 19.78"W x 7.2"D, 10-32 , Tapped Rails, 50-lb. Capacity

Squeezed for space? Go up against the wall.


Limited Quantity In Stock
Typically Ships within One Week
Lifetime Double Diamond™ Warranty (Standard)

*Required field

Product Features

  • Efficient design keeps your equipment out of sight and out of the way.
  • Pre-installed rack rail makes equipment mounting easy.
  • Equipment mounting depth is adjustable for convenient cable management.
  • Fully compliant with TIA/EIA specifications.
  • Constructed of 16-gauge steel frame.
  • Guaranteed for life!


Do you need to add a little more space to your work space? Give yourself some elbow room with A Low-Profile Side Wallmount Cabinet from Black Box.

Each sideways panel features a high-quality 10-32 threaded rack rail that's pre-installed to make mounting your equipment that much easier. The cabinet includes cable lacing points at the rear to help you organize and manage cable runs. The cover serves to both conceal your equipment and keep it free from dust.

The Low-Profile Side Wallmount Cabinet is also available in a 2U version (RM355A-R2).

Tech Specs

cUL 0
UL 0
Exterior Depth 7.2" (18.3 cm)
Exterior Height 19.75" (50.17 cm)
Exterior Width 19.18" (48.7 cm)
Frame Steel
Load Capacity 50 lb. (27.7 kg)
Rack Units 4U
Racking Depth 16" (40.6 cm)
Weight 17 lb. (7.7 kg)

* Technical specification weight is the unit weight. It is not the packaged shipping weight. For shipping weight, please contact Black Box customer service at 877-877-2269.



Double Diamond Warranty Diamond

Double Diamond™ Warranty (Standard)

Take the risk out of equipment purchases with the Double Diamond™ Warranty from Black Box Network Services.

The Double Diamond Warranty is our no-questions-asked warranty that protects your Black Box® brand products* from accidental damage, including drops, water, and power surges.

During the warranty period, Black Box Network Services will repair or replace your damaged equipment within one week of receipt at NO CHARGE!

Plus, get an Extended Double Diamond Warranty.

You can also extend your warranty or protect a previously purchased Black Box® brand product* for an additional year—for only 10% of the purchase price! Or, extend your coverage for a full three years for only 20% of the purchase price!

Ordering an extended warranty is easy: When viewing a product in your shopping cart, just select the one or three years of additional coverage in the dropdown menu under “Warranty Options.” For details, contact Customer Service at 787-767-3500.

** Certain products may not be eligible.

What’s more, we also have a 45-day, no-questions-asked return policy. Simply call Customer Service for a Return Authorization (RA) number, return your product in new condition and in the original package, and receive a full refund.