When you purchase server rack accessories they will list their size in u s.
Vertical wall mount equipment rack bracket.
The vertical wall mount rack s low profile flush mounts networking equipment against the wall can hide it under a desk.
Provides open unrestricted access to equipment and cabling.
19 inch wall mount rack bracket with maximum load capacity of 175 lb.
The rk219wallv 2u 19in steel vertical wall mount equipment rack bracket offers a versatile storage solution allowing rackmount equipment network devices power strips patch panels to be mounted vertically flush with wall to save space.
4u wall mount bracket allows vertical installation of a 4u rack mount device up to 175 lb.
An 8u rack has 8 units of vertical server rack space.
A server rack unit or u is a unit of measurement used to describe the amount of equipment space a server rack has.
The 2u 19in steel vertical wall mount equipment rack bracket offers a versatile storage solution allowing rackmount equipment network devices power strips patch panels to be mounted vertically flush with wall to save space.
Alternatively the 2u bracket can be installed horizontally under a desk making it easy to access.