1. Optimized chassis cooling with redundant cooling fans and adjustable air shroud 2. 24x 3.5" hot-swap SAS/SATA drive bays supporting SAS3/2 or SATA3 HDDs with 12Gbps throughput 3. Redundant 1280W Platinum Level power supply 4. E1C: Single SAS3 (12Gbps) expander backplane; E2C: Dual SAS3 (12Gbps) expanders backplane 5. Mini SAS HD (SFF 8643) connectivity on backplane 6. Can be configured as "JBOD or Headunit"