22.5 inches deep from rack ears Includes CPU - Intel Core i7-2600. 4 cores, 8 threads. 3.40 GHz base frequency (3.80 GHz turbo frequency) Motherboard - Gigabyte GA-B75M-D3H, 16GB ram Power supply - Antec TruePower 550 5 bay 2.5/3.5" hot swap drive enclosure - SNT-3051SS - SATA I, II, III & SAS I, II - 6Gbps Assorted fans DRIVES NOT INCLUDED Delivery available for 50c/km