Supermicro server chassis 836BA-R920B 3U W/ Redundant 920W

Supermicro server chassis 836BA-R920B 3U chassis - supports for maximum motherboard sizes: 13.68" x 13" E-ATX and ATX Optimized chassis cooling with redundant cooling fans and adjustable air shroud 16x 3.5" hot-swap drive bays supporting SAS2 or SATA3 HDDs with 6Gbps throughput Redundant (1+1) 920W Platinum Level (94%) high efficiency power supplies Direct Attached SAS2 (6Gbps) backplane Up to 20 hot-swap drives with optional slim floppy/DVD sizes and rear 2.5" drive bays