XH622 4U4 GPU Node(2*CPU Sockets,16*DIMM Slots,Front 4*2.5inch HDD From Raid Card,2*GPU Slots)

X6800 Chassis 4U,4/4,4/8 Node Slots,No Psu,No IO Slots,4 Psu Slots, Accessory Included

XH620 4U8 Calculative Node(2*CPU Sockets,16*DIMM Slots,Front 4*2.5inch HDD From PCH,No Support Raid Card)

XH628 4U4 Storage Node(2CPU Sockets,16*DIMM Slots,2*Riser Front,12*LFF)

XH622 4U4 GPU Node(2*CPU Sockets,16*DIMM Slots,PCH Front 4*SFF,not support Raid card,2*GPU Slots)

XH620 4U8 Calculative Node(2*CPU Sockets,16*DIMM Slots,Front 2*2.5inch SATA HDD From PCH and X8 PCIE,NO Support RAID Card)

X6800 Chassis 4U,4/4,4/8 Node Slots,No Psu,4Psu Slots, Accessory Included

XH620 4U8 Calculative Node(2*CPU Sockets,16*DIMM Slots,Front 2*2.5inch HDD From Raid Card and X8 PCIE,NO Support Straight out of the PCH)

XH628 4U4 Storage Node(2CPU Sockets,16*DIMM Slots,2*SFF Front,12*LFF)