3U Rack Servers
Rack mount servers are designed to be fixed in a 19" wide cabinet. The height of the server is also standardized as multiples of 1.75 inches (44.45 mm) or one rack unit or U.
A 3U Server is 5.25 inches (13.34cm) high.

Dell PowerEdge 3U Rack Servers
Model | CPU Type | CPU Sockets | DIMM Slots | Backplane Options | ||
---|---|---|---|---|---|---|
![]() | PowerEdge R940 | Xeon Scalable | 4 | 48 | 8x 2.5-inch SATA/SAS drive bay backplane 24x 2.5-inch SATA/SAS drive bay backplane 12x 2.5-inch SATA/SAS and 12x 2.5-inch NVMe drive bay backplane | Configure |