- 44x (24 front + 20 rear) 3.5" hot-swap SAS/SATA drive bays supporting SAS3/2 or SATA3 HDDs with 12Gbps throughput - Redundant 1280W Platinum Level (1+1) power supplies with PMBus - 7x 8cm (middle) hot-swap redundant cooling fans - E1C: Single SAS3 (12Gbps) expander backplane; E2C: Dual SAS3 (12Gbps) expanders backplane - JBOD Power Control Board with IPMI for remote monitor and power on-off; Internal Connection Cables Included - 4x External mini SAS HD (SFF 8644) connectivity and IPMI RJ45 port - Palletized packaging for easy shipping and handling