- Dual socket R3 (LGA 2011) supports Intel Xeon processor E5-2600 v3 family; QPI up to 9.6GT/sN/A- Up to 1.5TB ECC up to DDR4 2133MHz; 24x DIMM slotsN/A- 2x PCI-E 3.0 x16 slots (FH 10.5" L) 2x PCI-E 3.0 x8 slots (LP 1 internal)N/A- 4x Gigabit Ethernet portsN/A- 10x Hot-swap 2.5" Drive Bays: 10x SATA3 ports by default; optional 8x SAS3 portsN/A- 4x heavy duty fans w/ optimalfan speed controlN/A- 750W Redundant Power Supplies Platinum Level (94%+)