Supermicro X9DRX+-F Server Motherboard - Intel C602 Chipset - Socket R LGA-2011 - Bulk Pack CPU Type: Dual Intel Xeon E5-2600 seriesDual Intel Xeon E5-2600 series QPI: Up to 8 GT/s Other Chipset: Intel C602 Chipset Number of DDR3 Slots: 16 x 240pin ECC Supported: Yes Other Slots: 10 PCI-E 3.0 x8 slots 1 PCI-E 2.0 x4 (in x8) slot SATA: 8 x SATA 3.0Gb/s + 2 x SATA 6.0Gb/s SATA RAID: 0/1/5/10