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SUPERMICRO SYS-521GE-TNRT 5U Rackmount Server Barebone LGA 4677 Intel C741 DDR5 4800

  • 32 DIMM slots Up to 8TB: 32x 256 GB DRAM Memory Type: 4800MHz ECC DDR5
  • 13 PCIe Gen 5.0 X16 FHFL Slots
  • AIOM/OCP 3.0 Support
  • 8x 2.5" Hot-swap SATA drive bays
  • 8x HOT SWAP 2.5” SATA/SAS (AOC required)
  • 8x2.5" Hot-swap NVMe drive bays
  • 8 Hot-Swap Heavy Duty Fans with Optimal Fan Speed Control
  • 4x 2700W (2+2) Redundant Power Supplies, Titanium Level
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Learn more about the Supermicro SYS-521GE-TNRT

General
Brand SUPERMICRO
Model SYS-521GE-TNRT
Form Factor 5U Rackmount
Workload AI/ML/HPC
CPU Supported
CPU Type Intel Xeon
CPU Socket LGA 4677
Installed CPU No CPU Installed
Max Processors 2
CPU Features 4th Gen Intel Xeon Scalable processors
Future support for the upcoming 5th Gen Intel Xeon processors
Supports up to 350W TDP CPUs (Air Cooled)
Supports up to 350W TDP CPUs (Liquid Cooled)
Chipset
North Bridge Intel C741
Memory Supported
Memory Slots 32 x 288Pin
Installed Memory Size No Memory Installed
Max Memory Supported Up to 8TB: 32 x 256 GB DRAM
Memory Type Supported DDR5 4800
ECC Supported Yes
Storage Supported
Installed HDD No Storage Installed
M.2 2 x M.2 NVMe
Graphics
GPU/VPU Max GPU Count: Up to 10 double-width or 10 single-width GPU(s)
Supported GPU: NVIDIA PCIe: A100, L40S, H100
CPU-GPU Interconnect: PCIe 5.0 x16 Switch Dual-Root
GPU-GPU Interconnect: NVIDIA NVLink Bridge (optional)
Expansion Slots
PCI Express 12 x PCIe 5.0 x16 FHFL slot(s)
1 x PCIe 5.0 X16 FHFL slot(s)
Communications
First LAN Intel X710-AT2
Max. LAN Speed 10 Gigabit
Expansion Bays
Hot-Swap Bays 24 x 2.5" hot-swap NVMe/SATA/SAS drive bays (8x 2.5" NVMe hybrid; 8x 2.5" NVMe dedicated)
Panel Ports
VGA 1
RJ45 2
Power Supply
Max. Power 2700W Redundant Titanium Level power supplies
Environment
Temperature Operating Temperature: 10°C ~ 35°C (50°F ~ 95°F)
Non-operating Temperature: -40°C to 60°C (-40°F to 140°F)
Humidity Operating Relative Humidity: 8% to 90% (non-condensing)
Non-operating Relative Humidity: 5% to 95% (non-condensing)
Features
Features Cryptographically Signed Firmware
Secure Boot
Secure Firmware Updates
Automatic Firmware Recovery
Supply Chain Security: Remote Attestation
Runtime BMC Protections
System Lockdown
Dimensions & Weight
Dimensions 8.75" x 17.2" x 29"
Weight 65.5 lbs.
Additional Information
First Listed on Newegg November 03, 2023

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 3 years
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The Supermicro SYS-521GE-TNRT is a 5U dual-socket server barebone built for AI/ML and HPC workloads, with support for up to 10 GPUs, 32 DDR5 memory slots, and 24 hot-swap drive bays. It suits data centers and enterprise teams assembling high-density GPU systems; CPUs, memory, and storage are not included.

Recommended For

  • AI and deep-learning teams building a rack-based training or inference system that needs multiple supported PCIe GPUs, dual Xeon CPUs, and substantial ECC memory capacity.
  • HPC and engineering groups running GPU-accelerated workloads—such as CFD—where the chosen software and solver can use multiple GPUs.
  • Studios or visualization teams consolidating GPU-intensive 3D rendering, animation, design, or VDI workloads into a rack server.
  • Enterprise infrastructure teams that need a configurable 5U GPU platform with hot-swap storage, redundant power, and remote server management for a compatible data-center deployment.

Real-World Use Scenarios

  • A data science team configures the barebone with compatible GPUs, CPUs, memory, and storage to train or fine-tune AI models; the multi-GPU platform lets them run GPU-heavy training jobs in a rack server.
  • An AI team uses the system to run image-generation workflows such as StableSwarmUI; the demonstrated setup shows how it can host a Linux-based application and download and test models.
  • An engineering or research group runs GPU-accelerated HPC workloads, such as simulation or scientific computing, on a shared rack server; the CPU and GPU configuration can be selected to match the workload.
  • A visualization or media team renders complex 3D scenes or video projects on a centrally managed server; compatible GPUs provide the graphics compute, while the team chooses the final configuration for its software and workload.
  • An organization hosts GPU-backed virtual desktops for users who need remote access to graphics-intensive applications; this is a deployment option for a configured system, not a ready-to-use feature of the barebone.

Spec Summary

AttributeValue
Best ForAI, machine-learning, and HPC workloads needing a dual-processor platform with support for multiple GPUs
Processor And PlatformSupports up to 2 4th Gen Intel Xeon Scalable processors, with future support for 5th Gen Intel Xeon processors; LGA 4677 socket, Intel C741 chipset, and CPUs up to 350W TDP with air or liquid cooling
Memory Configuration32 x 288-pin slots; supports up to 8TB of DDR5-4800 memory using 32 x 256GB modules, with ECC support; no memory installed
GPU And ExpansionSupports up to 10 double- or single-width GPUs, including NVIDIA A100, L40S, and H100; 13 PCIe 5.0 x16 FHFL slots with dual-root switching; optional NVIDIA NVLink Bridge
Storage And Expansion24 x 2.5-inch hot-swap NVMe/SATA/SAS bays, including 8 NVMe hybrid and 8 NVMe dedicated bays; 2 x M.2 NVMe slots; no storage installed
Networking And I/OIntel X710-AT2 LAN with speeds up to 10 Gigabit, 2 RJ45 ports, and 1 VGA port
Power2700W redundant Titanium-level power supplies
SecurityCryptographically signed firmware, secure boot and firmware updates, automatic firmware recovery, remote-attestation supply-chain security, runtime BMC protections, and system lockdown
Operating EnvironmentOperating temperature: 10°C to 35°C; non-operating temperature: -40°C to 60°C. Operating relative humidity: 8% to 90%; non-operating relative humidity: 5% to 95%, non-condensing
Form Factor And Dimensions5U rackmount; 8.75 x 17.2 x 29 inches; 65.5 lb
Model IdentifiersSUPERMICRO SYS-521GE-TNRT