Supermicro SYS-7048GR-TR

Dual socket R3 (LGA 2011) supports
Intel® Xeon® processor E5-2600
v4†/ v3 family; QPI up to 9.6GT/s.
Up to 2TB† ECC 3DS LRDIMM , up to
DDR4- 2400†MHz ; 16 DIMM slots.
4 PCI-E 3.0 x16 slots
2 PCI-E 3.0 x8 (1 in x16) slots
support Thunderbolt 2.0 AOC,
1 PCI-E 2.0 x4 (in x8) slot;
Up to 4 NVIDIA® GPU.
I/O ports: 1 VGA, 2 COM, 2 GbE,
10 USB 2.0, & 1 IPMI Dedicated LAN.
8 Hot-swap 3.5", 3 Fixed 5.25"
and 1 Fixed 3.5" Drive Bays.
4 Heavy Duty Fans, 2 Exhaust
Fans, and 2 Active Heatsink with
Optimal Fan Speed Control.
2000W High efficiency (96%)
Redundant PSU; Titanium Level.
Tower or Rackmount
GPU Kit for passive GPU/Xeon Phi
support (MCP-320-74701-0N-KIT).