Includes 4x 3.5" disk traysIncludes 2x PSUIncludes 2x HeatsinkRAILS NOT INCLUDED1. Dual Socket P (LGA 3647) support 2nd Gen Intel® Xeon® Scalable processors (Cascade Lake/Skylake)‡2. 12 DIMMs; up to 3TB 3DS ECC DDR4-2933MHz† RDIMM/LRDIMM, Supports Intel® Optane™ DCPMM††3. 2 PCI-E 3.0 x16 (FHHL) slots, 1 PCI-E 3.0 x8 (LP) slot, 1 PCI-E 3.0 x16 for Add-on-Module (Support SAS3 Storage controller), 1 PCI-E 3.0 x4 NVMe M.2 slot4. 4 Hot-swap 3.5" SAS3/SATA3 drive bays with SES25. Optional 1 slim DVD-ROM drive6. 2 1GbE LAN ports via Intel C6217. 1 VGA, 4 USB 3.0 (rear)8. 600W Multi Output Power Supply, Platinum Level High-efficiency