Rackmount Servers

A rackmounted server , or simply a rack server is a server that is enclosed in a rack, hence the name.

The equipment is fit into the rack using bolts. There can be several servers on a single rack. 

A rack unit or U (or RU ) refers to the height of the equipment in the rack.

Super Micro 1U Server

Super Micro 2U Server

Super Micro 3U Server

Super Micro 4U Server