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Silver 5U tower chassis with four liquid-cooled GPUs and dual CPUs installed

Supermicro

Supermicro SYS-751GE-TNRT-NV1 rack server, 4 NVIDIA A100 GPUs, dual Xeon 6444Y

SKU CH-1K29-39VW7 MPN SYS-751GE-TNRT-NV1

5U tower server with dual Xeon 6444Y processors and four liquid-cooled NVIDIA A100 GPUs linked by NVLink

  • ProcessorIntel Xeon Scalable
  • Installed RAMNo
  • Installed SSDNo
  • ChipsetIntel C741
  • Processor socketDual Socket E (LGA-4677)
  • Type of memoryDDR5
  • Dual Xeon 6444Y processors deliver 32 cores at 3.6 GHz for compute-heavy workloads
  • Four liquid-cooled NVIDIA A100 GPUs with NVLink 2+2 topology accelerate AI training and inference
  • Closed-loop liquid cooling keeps CPUs and GPUs at stable temperatures under sustained load
  • 16 DDR5 slots support up to 512 GB of 4800 MHz ECC memory for large datasets
  • Dual-port ConnectX-6 Dx 25 GbE adapter plus dual 10 GbE Base-T provide high-throughput networking

5U Tower Server for AI Training

The Supermicro SYS-751GE-TNRT-NV1 is a 5U tower system designed for AI and HPC workloads. It arrives with four liquid-cooled NVIDIA A100 GPUs linked by NVLink bridges in a 2+2 configuration. Dual 4th Gen Intel Xeon 6444Y processors, each with 16 cores at 3.60 GHz, are installed in the dual LGA-4677 sockets. Ubuntu 22.04 LTS and the Supermicro Cloud Orchestrator AI software stack are pre-loaded.

PCIe 5.0 and NVLink GPU Interconnect Limits

Each GPU connects to the CPUs through a PCIe 5.0 x16 link, providing the CPU-to-GPU bandwidth ceiling for this platform. GPU-to-GPU communication is handled by the installed NVLink bridges in a 2+2 topology rather than a full mesh. The dual-port NVIDIA ConnectX-6 Dx adapter adds a 25GbE SFP28 link, while the Intel X550-AT2 supplies two 10GbE Base-T ports and the ASPEED AST2600 provides a 1GbE management port. Storage connectivity is limited to the SATA III interface with RAID 0, 1, 5, 10 support.

512 GB DDR5-4800 ECC Memory Ceiling

The board offers 16 DIMM slots populated with DDR5-4800 ECC modules, capping total system memory at 512 GB using 16×32 GB DRAM. No memory is installed from the factory, so the buyer must procure the full complement to reach the maximum. The Intel C741 chipset governs this limit; future 5th Gen Xeon support is noted but does not alter the current memory capacity or speed specification.

How it compares

Measured against everything we stock in Rack & Tower Servers, at today’s prices. Recalculated every night.

Price $101,542.99
Pricier than about 93% of the 17,641 comparable items (median $1,910.99).
Processor speed 6444Y (3.6 GHz)
Higher than about 95% of the 9,950 comparable items (median 2.3 GHz).

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Specifications

Product
Brand nameSUPERMICRO
Product lineSuperServer
Model nameSYS-751GE-TNRT
Target workloadWorkstation
Product typeTower
Processor
ProcessorIntel Xeon Scalable
Processor socketDual Socket E (LGA-4677)
ChipsetIntel C741
Processor speed6444Y (3.6 GHz)
Processor details4th Gen Intel Xeon Scalable processors
Future support for the upcoming 5th Gen Intel Xeon processors
Installed CPUs0
Max supported CPUs2
Memory
Installed RAMNo
Type of memoryDDR5
Maximum RAM capacity512 GB
Memory slot count16
Storage
Installed SSDNo
Installed storageNone
Drive interfaceSATA III
Supported RAID levelsRAID 0/1/5/10
Drive bays8 × 2.5 in hot-swap NVMe/SATA drive bays (2 × 1.92 TB NVMe Drives RAID 1 (OS), 4 × 1.92 TB NVMe Drives (Data) installed)
2 x M.2 NVMe
Graphics
Graphics chipGPU: NVIDIA A100
Max GPU Count: Up to 4 double-width GPU(s)
CPU-GPU Interconnect: PCIe 5.0 x16 CPU-to-GPU Interconnect
GPU-GPU Interconnect: NVIDIA NVLink Bridge (2+2)
Ports & slots
Network ports2 × 10GbE BaseT with Intel X550-AT2
1 × 1GbE BaseT with ASPEED AST2600
1 × 25GbE SFP28 with NVIDIA Connect-X-6 Dx
Expansion card slots7 PCIe 5.0 x16 FHFL slot(s)
Note: 4 NVIDIA Liquid-cooled A100 with NVIDIA NVLink, NVIDIA Connect-X6 Dx 25G Network adapter installed
Extra ports1 x VGA
Power
Power supply2200 W Redundant Titanium Level power supplies
Size & build
Rack height5U/Tower
Shipping weight54.89 kg
Package size955 × 655 × 389 mm
Environment & compliance
Temperature rangeOperating Temperature: 10 °C to 25 °C (50 °F to 77 °F)
Non-operating Temperature: -40 °C to 60 °C (-40 °F to 140 °F)
Humidity rangeOperating Relative Humidity: 8% to 90% (non-condensing)
Non-operating Relative Humidity: 5% to 95% (non-condensing)

Questions about this item

How many NVIDIA A100 GPUs come installed and how are they linked?

Four liquid-cooled NVIDIA A100 GPUs are installed and connected by NVLink bridges in a 2+2 configuration.

What does the dual Xeon 6444Y at 3.6 GHz deliver for GPU workloads?

Each 16-core Xeon 6444Y runs at 3.6 GHz and provides PCIe 5.0 x16 lanes directly to each GPU for high-throughput compute.

What networking adapters are fitted and what speeds do they support?

A dual-port NVIDIA ConnectX-6 Dx 25GbE SFP28 adapter, two 10GbE Base-T ports via Intel X550-AT2, and one 1GbE management port are installed.

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