SYS-221BT-DNTR   2U 2-NODE BIGTWIN
Per node:
Dual 4th Gen Intel® Xeon® Scalable processors
16x DIMM slots, up to 4TB 5600MHz ECC DDR5
12x 2.5" hot-swap NVMe/SATA drive bays
2x NVMe M.2 slot
1x PCIe 5.0 x16 slot / 2x PCIe 5.0 x8 slots

SYS-621BT-DNTR   2U 2-NODE BIGTWIN
Per node:
Dual 4th Gen Intel® Xeon® Scalable processors
16x DIMM slots, up to 4TB 5600MHz ECC DDR5
6x 3.5" hot-swap NVMe/SATA drive bays
2x NVMe M.2 slot
1x PCIe 5.0 x16 slot / 2x PCIe 5.0 x8 slots

SYS-221BT-HTR   2U 4-NODE BIGTWIN
Per node:
Dual 4th Gen Intel® Xeon® Scalable processors
16x DIMM slots, up to 4TB 5600MHz ECC DDR5
6x 2.5" hot-swap NVMe/SATA drive bays
2x NVMe M.2 slot
2x PCIe 5.0 x16 slots

SYS-621BT-HNTR   2U 4-NODE BIGTWIN
Per node:
Dual 4th Gen Intel® Xeon® Scalable processors
16x DIMM slots, up to 4TB 5600MHz ECC DDR5
6x 2.5" hot-swap NVMe/SATA drive bays
2x NVMe M.2 slot
2x PCIe 5.0 x16 slots

SYS-221GT-HNTR   2U 4-NODE GRANDTWIN
Per node:
Single 4th Gen Intel® Xeon® Scalable processors
16x DIMM slots, up to 4TB 5600MHz ECC DDR5
6x 2.5" hot-swap NVMe/SATA drive bays
2x NVMe M.2 slot
2x PCIe 5.0 x16 slots

SYS-F511E2-RT   4U 8-NODE FATTWIN
Per node:
Single 4th Gen Intel® Xeon® Scalable processors
16x DIMM slots, up to 4TB 5600MHz ECC DDR5
6x 2.5" hot-swap NVMe/SATA drive bays
2x NVMe/SATA M.2 slots
2x AIOM network card support

SYS-F521E3-RTB   4U 8-NODE FATTWIN
Per node:
Single 4th Gen Intel® Xeon® Scalable processors
16x DIMM slots, up to 4TB 5600MHz ECC DDR5
8x 3.5" hot-swap NVMe/SATA drive bays
2x NVMe/SATA M.2 slots
2x AIOM network card support

Extra options for Twin systems:
Next Business Day Onsite Hardware Service
4-Hour Onsite Hardware Service
Supermicro Out of Band License Key
SM DataCenter Management Package