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Supermicro 2U BigTwin barebone chassis with four server nodes and 3.5-inch NVMe SATA drive bays

Supermicro

Supermicro SYS-620BT-HNTR barebone server, 2U BigTwin, 4 nodes, 3.5" NVMe/SATA

SKU CH-VCDW-75GKV MPN SYS-620BT-HNTR

A 2U barebone housing four independent nodes, each supporting 3.5" NVMe/SATA drives and 3rd Gen Xeon Scalable CPUs

  • Four independent servers in 2U
  • 20 DIMM slots per node for high memory capacity
  • PCIe 4.0 x16 low-profile expansion per node
  • 5" NVMe/SATA drive bays per node
  • Socket P+ (LGA 4189) for 3rd Gen Intel Xeon Scalable processors

Four nodes in 2U

The Supermicro SYS-620BT-HNTR is a 2U BigTwin barebone server that fits four independent, hot-pluggable nodes into a single rack unit. Each node is built around a Socket P+ (LGA 4189) platform for 3rd Gen Intel Xeon Scalable processors and the Intel C621A chipset. It targets operators who need high compute density without sacrificing per-node storage or expansion flexibility.

3.5-inch NVMe/SATA per node

The defining specification is the three 3.5-inch drive bays per node that accept both NVMe and SATA media. This choice lets you populate each server with high-capacity hard drives or fast solid-state storage in the same tray. Internal PCIe 3.0 wiring also provides two x4 M.2 slots onboard, while an optional AOC-SMG3-2M2-B controller adds hardware RAID for NVMe boot devices.

Two low-profile PCIe 4.0 x16 slots

Each node exposes two low-profile PCIe 4.0 x16 slots for accelerators, network adapters or storage controllers, so the chassis does not limit I/O growth. The 20 DIMM slots per node (16 standard plus four Optane persistent memory slots) support large memory footprints for virtualisation or in-memory workloads. Tool-less node trays simplify service actions while the shared 2U enclosure reduces cabling and power infrastructure compared to four separate 1U servers.

Highlights

  • Four independent servers in 2U
  • 20 DIMM slots per node for high memory capacity
  • PCIe 4.0 x16 low-profile expansion per node
  • 5" NVMe/SATA drive bays per node
  • Socket P+ (LGA 4189) for 3rd Gen Intel Xeon Scalable processors

Specifications

No published specifications for this item yet.

Questions about this item

What does the four-node design in a 2U chassis mean for real-world density?

Each of the four hot-pluggable nodes fits a full Xeon Scalable processor, 20 DIMM slots and three 3.5" NVMe/SATA drives in a single 2U rack space, letting you run four independent servers where one usually sits.

How does the PCIe 4.0 x16 slot and onboard PCIe 3.0 x4 M.2 limit add-in cards and storage?

Each node provides one low-profile PCIe 4.0 x16 slot for accelerators or networking, while two onboard M.2 sockets run at PCIe 3.0 x4 for NVMe or SATA boot drives.

What rail or mounting hardware is required to install the 2U BigTwin in a standard rack?

The chassis uses tool-less mounting rails that snap into standard square-hole rack posts, so no screws or extra brackets are needed for a secure 2U installation.

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