Supermicro Superchassis CSE-721TQ-250B Mini-Tower with 250W Power Supply Form Factor: Mini-Tower chassis for motherboard supports Supermicro size Mini-ITX 6.75-inch x 6.75-inch, Support wide range of Mini-ITX Motherboard, from ATOM to Core i7 Single Intel and AMD processors Storage Chassis: 4x 3.5-inch hot-swap SAS/SATA, 2x 2.5-inch fixed drive bay, SAS or enterprise SATA HDD only recommended