2 x 12-port 2U Simply-Double SAS3 12Gbps single-expander backplane, support up to 8x 3.5-inch SAS3/SATA3 HDD and 4x NVMe/SAS3/SATA3 storage devicesSuper X10DSC+ MotherBoardKey Features1. Dual socket R3 (LGA 2011) supports Intel® Xeon® processor E5-2600 v4†/ v3 family; QPI up to 9.6GT/s2. Up to 3TB† ECC 3DS LRDIMM , up to DDR4- 2400†MHz ; 24x DIMM slots3. 2 PCI-E 3.0 x16, 1 PCI-E 3.0 x84. SIOM for flexible networking options5. 24x 3.5" Hot-swap SAS3/SATA3 drive bays; optional 2x 2.5" Hot-swap rear SATA drive bays6. Onboard Broadcom 3108 SAS3 Hardware RAID RAID 0, 1, 5, 6, 10, 50, 607. Server remote management: IPMI 2.0 / KVM over LAN / Media over LAN8. 5x 8cm hot-swap redundant PWM fans9. 1600W Redundant Power Supplies Titanium Level (96%)