Model: EP2C621D16-4LP, EEB 12”x13”

Supports 2nd Gen. Intel Xeon Scalable Processors

Supports DDR4 2933/2666/2400/2133 RDIMM

Supports 14 x SATA3 6.0 Gb/s by INTEL C621

Supports 4x PCIe3.0x16, 2x PCIe3.0x8

Model: EPC621D8A

Supports 2nd Gen. Intel Xeon Scalable Processors

Socket: Single Socket P, LGA3647

VRAM:DDR4 256MB

Model: SPC621D8-2L2T ATX (12″ x 9.6″)

Supports 3rd Gen Intel Xeon Scalable Processors

8 DIMM slots (1DPC), supports DDR4 RDIMM

Supports 1 M.2 (PCIe3.0 x4 or SATA 6Gb/s), 1 M.2

8 SATA 6Gb/s (including 2 ports from M.2)

Model: EP2C621D12 WS LGA3647 EEB 12” x 13”

Socket: Dual Socket LGA-3647

Supports DDR4 2666/2400/2133 R DIMM & LR DIMM, 12 x DIMM slots

Supports 14 x SATA3 6.0 Gb/s by Intel C621

Supports 5 PCIe3.0x16, 2 PCIe3.0 x8

Model: EPC621D8A LGA3647 ATX 12” x 9.6”

Capacity : 8 x 288-pin DDR4 DIMM slots

Supports Six Channel DDR4

Supports 13 x SATA3 6.0 Gb/s by Intel C621

Supports 2 PCIe3.0x 16, 3 PCIe 3.0×8, 1 PCIe 3.0 x4