Supermicro SuperChassis 846XA-R1K23B (Black)

100% cooling redundancy, 24x 3.5 Zoll Hot-swap SAS2/SATA3 Drive Bays w/ Direct Attached HDD backplaneRedundant 1200W Titanium Level high efficiency power supply & 5 hot-plug redundant cooling fans w/adjustable air shroudMini-i-Pass (SFF 8087) connectivity,Support two 1000W BBPSupport up to 13 FH FL expansion slotsHigh Availability PS, Storage Capacity, and numerous I/O slotsDimensions: Height 7 Zoll (178mm), Width 17.2 Zoll (437mm), Depth 29 Zoll (736mm)Gross Weight: 75 lbs (34.0kg)