- 100% cooling redundancy, 24x 3.5" Hot-swap SAS2/SATA3 Drive Bays w/ Direct Attached HDD backplane- Redundant 1200W Titanium Level high efficiency power supply & 5 hot-plug redundant cooling fans w/adjustable air shroud- Mini-i-Pass (SFF 8087) connectivity;- Support two 1000W BBP- Support up to 13 FH FL expansion slots- High Availability PS, Storage Capacity, and numerous I/O slots