Includes 10x 2.5" drive traysIncludes 2x heatsinksIncludes 2x PSUDOES NOT INCLUDE OUTSIDE RAILS1. 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. 2x PCI-E 3.0 x16 slots (FH, 10.5" L), 2x PCI-E 3.0 x8 slots (LP, 1 internal)4. 4x Gigabit Ethernet ports5. 10x Hot-swap 2.5" Drive Bays: 10x SATA3 ports by default; optional 8x SAS3 ports6. 4x heavy duty fans w/ optimal fan speed control7. 750W Redundant Power Supplies Platinum Level (94%+)