X7SPA-HF Motherboard
Intel Atom D510 Dual-Core 1.66GHz CPU Onboard - 2xDDR2-667-SO-DIMM (Max 4GB) - PCIEx4(x1) - Intel ICH9R 6xSATA 3.0GBps (RAID 0/1/5/10) - Dual Gigabit LAN - Integrated IPMI 2.0 - Matrox G200eW 8MB Graphics - 1U Mini ITX
Xeon E5620 2.4GHz Quad-Core LGA1366 (Tray)
2.4GHz 4-Core - 8 Threads - 2.66GHz Turbo - Socket LGA 1366 / B - 2-Way SMP - Supports DDR3-1066 Memory - 4 x 256KB L2 Cache - 12MB L3 Cache - 80W TDP - Intel VT-x / VT-d / VT-c Virtualization - Westmere-EP 32nm - OEM/TRAY w/o Heatsink & Fan
X7SPE-HF Motherboard
Intel Atom D510 Dual-Core 1.66GHz CPU Onboard - 2xDDR2-667-SO-DIMM (Max 4GB) - PCIEx4(x1) - Intel ICH9R 6xSATA 3.0GBps (RAID 0/1/5/10) - Dual Gigabit LAN - Integrated IPMI 2.0 - Matrox G200eW 8MB Graphics - 1U FlexATX
Xeon E5-4655 v4 2.5GHz Eight-Core (Tray)
2.5GHz 8-Core - 16 Threads - 3.2GHz Turbo - Socket LGA 2011-v3 / R3 - 4-Way SMP - Supports DDR4-2133 Memory - 8 x 256KB L2 Cache - 30MB L3 Cache - 135W TDP - Intel VT-x / VT-d Virtualization - Broadwell-EP 14nm - OEM/TRAY w/o Heatsink & Fan