Xeon E3-1285 v4 3.5GHz Quad-Core (Tray)
3.5GHz 4-Core - 8 Threads - 3.8GHz Turbo - Socket LGA 1150 / H3 - 1-Way SMP - Supports DDR3-1866 Memory - 4 x 256KB L2 Cache - 6MB L3 Cache - Intel Iris Pro Graphics P6300 300-1150MHz Integrated GPU - 95W TDP - Intel VT-x / VT-d Virtualization - Broadwell-H 14nm - OEM/TRAY w/o Heatsink & Fan
Xeon E7-2880 v2 2.5GHz 15-Core (Tray)
2.5GHz 15-Core - 30 Threads - 3.1GHz Turbo - Socket LGA 2011-1 / R2 - 2-Way SMP - Supports DDR3-1600 Memory - 15 x 256KB L2 Cache - 37.5MB L3 Cache - 130W TDP - Intel VT-x / VT-d / VT-c Virtualization - Ivy Bridge-EX 22nm - OEM/TRAY w/o Heatsink & Fan