This is a GPU-Server from Supermicro named "SYS-4028GR-TR" which is an 8-GPU wided system. It uses Dual-LGA2011-3 socket for Xeon-E5 CPUs, and 24 DIMM slots for max 1.5TiB Memory size. I put quad Tesla M40 and triple Tesla P40 in it and turned for 2 months.