Chenbro 2U Rackmount Server Case ATX 12X3.5/2.5 SAS/SATA RM23212 w/ 400W PSU Bulit in 12x Hot-Swappable SATA (I and II) / SAS drive bays Supports up to Twelve 3.5 HDD Carrier Supports both 2.5" and 3.5" Hard Drives and SSDs Support up to EATX EEB (12x13) and smaller motherboards Dimension 16.9" x 26" x 3.5" 400W SINGLE POWER SUPPLY INCLUDED