- 100% cooling redundancy, 24x 3.5" Hot-swap SAS3 Drive Bays- Redundant 1200W Titanium Level high efficiency power supply & 5 hot-plug redundant cooling fans w/adjustable air shroud- Dual SAS3 (12Gbps) expander backplane- Mini SAS HD (SFF 8643) connectivity;- Support two 1000W BBP- Support up to 13 FH FL expansion slots- High Availability PS, Storage Capacity, and numerous I/O slots