SUPERMICRO MBD-X9DRL-IF-B ATX Motherboard (Bulk Pack) Dual LGA 2011 Intel C606 DDR3 1600 CPU Type: Intel Xeon processor E5-2600 and E5-2600 v2 family (up to 130W TDP ) Number of DDR3 Slots: 8 x 240pin Maximum Memory Supported: Up to 512GB DDR3 ECC LRDIMM Up to 256GB DDR3 ECC RDIMM Up to 64GB DDR3 ECC/non-ECC UDIMM ECC Supported: Yes PCI Express x8: 3 PCI-E 3.0 x8 1 PCI-E 2.0 x4 (in x8) PCI Express x1: 1 x PCI Express x1 PCI Slots: 1 x PCI Slot SATA: AHCI SATA: 2 x SATA 6.0Gb/s + 4 x SATA 3.0Gb/s SCU SATA : 4 x SATA 3.0Gb/s