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Supermicro A+ 4125GS-TNRT GPU Server - System Overview

4125GS-TNRT front panelAdditional Information

Built for big data analytics, artificial intelligence, and scientific research, the 4U Supermicro GPU 4125GS-TNRT server delivers flexible active and passive GPU support. This machine features up to 8x double width, full length GPUs with a PCIe 5.0 x16 CPU-to-GPU interconnect, plus optional NVIDIA NVLink Bridge or AMD Infinity Fabric Link. The following GPUs are compatible with the system.  

  • NVIDIA PCIe: H100, H100 NVL, RTX A5000, RTX A4000, A100, RTX 6000 Ada Generation, L40S, L4, A40, A30, A16, RTX 4000 Ada Generation, RTX 4000 SFF Ada Generation, RTX 4500 Ada, RTX 5000 Ada, NVIDIA RTX PRO 6000 Blackwell Max-Q Workstation Edition, RTX A6000, RTX A5500, L40 

  • AMD PCIe: Instinct MI210, Instinct MI100 

The front of the chassis delivers 24x 2.5-inch hot-swap NVMe, SATA, and SAS drive bays, but by default 4x NVMe and 2x SATA drives are supported. To boot the operating system, the motherboard supports 1x M.2 PCIe 3.0 x4 NVMe slot. For expansion purposes, the GPU server supports 9x PCIe Gen5 x16 FHFL slots, which are accessible through the rear panel. Also on the rear panel, 4x 2000W redundant (2+2) Titanium level power supplies. This server can be managed both locally and remotely through Supermicro’s proprietary software tools and can only be sold with a minimum configuration of 2x CPUs, 2x GPUs, 2x DIMMs, and 1x storage device. 

Available Configurations

Explore available configurations for the Supermicro A+ 4125GS-TNRT GPU Server. Each configuration includes a specific combination of components and options to meet different performance, cooling, storage, and deployment requirements.

Supermicro A+ 4125GS-TNRT GPU Server - Specifications

Processor

- Dual processors
- AMD EPYC 9004/9005 Series Processors
- AMD EPYC™ 9005 Series drop-in support requires board revision 2.x

- Up to 160C/320T; Up to 512MB Cache per CPU

- Supports up to 400W TDP CPUs

- Motherboard: Super H13DSG-O-CPU

GPU

Max GPU Count:
- Up to 8x double-width GPUs

Supported GPUs:
- NVIDIA PCIe: L4, L40S, NVIDIA RTX PRO 4000 Blackwell, NVIDIA RTX PRO 4500 Blackwell, NVIDIA RTX PRO 4500 Blackwell Server Edition, NVIDIA RTX PRO 5000 Blackwell, NVIDIA RTX PRO 6000 Blackwell Max-Q Workstation Edition, RTX 4000 Ada Generation, RTX 4000 SFF Ada Generation, RTX 4500 Ada, RTX 5000 Ada, RTX 6000 Ada Generation
- AMD PCIe: Instinct MI210, Radeon AI PRO R9700S

CPU-GPU Interconnect:
- PCIe 5.0 x16 CPU-to-GPU Interconnect

GPU-GPU Interconnect:
- NVIDIA NVLink Bridge (optional), AMD Infinity Fabric Link (optional)

Memory

- Slot Count: 24 DIMM slots
- Max Memory (1DPC): Up to 6TB 4800MT/s ECC DDR5 RDIMM (AMD EPYC 9004 Series Processor)
- Max Memory (1DPC): Up to 6TB 6000MT/s ECC DDR5 RDIMM (AMD EPYC 9005 Series Processor)

Storage

Default: Total 6 bays
- 2 front hot-swap 2.5" SATA drive bays
- 4 front hot-swap 2.5" NVMe drive bays

Option A: Total 2 bays
- 2 front hot-swap 2.5" SATA drive bays

M.2:
- 1 M.2 PCIe 3.0 x4 NVMe slot (M-key)

Expansion Slots

Default:
- 9 PCIe 5.0 x16 FHFL slots
Option A:
- 10 PCIe 5.0 x16 FHFL slots

On-Board Devices

- SATA: SATA (6Gbps)
- Chipset: AMD SP5
- Network Connectivity: 2 RJ45 10GbE

Input/Output

LAN:
- 1 RJ45 1 GbE Dedicated BMC LAN port
- 2 RJ45 10 GBASE-T LAN ports

USB:
- 2 ports (rear)

Video:
- 1 VGA port

Serial:
- 1 COM port (rear)

Cooling

- Up to 8 heavy duty fans with optimal fan speed control

Power Supply

- 4x 2000W Redundant (3 + 1) Titanium Level (96%) power supplies

Management

- SuperCloud Composer (SCC)
- Supermicro Server Manager (SSM)
- Supermicro Update Manager (SUM)
- Supermicro SuperDoctor 5 (SD5)
- Super Diagnostics Offline (SDO)
- Supermicro Thin-Agent Service (TAS)
- SuperServer Automation Assistant (SAA)

Operating Systems

- Genoa: ESXi 7.0 U3, ESXi 8.0, Hypervisor 8.2.1, Oracle Linux 9.0, RHEL 8.6, RHEL 9.0, Windows Server 2022

Dimensions & Weight

Height: 7" (178 mm)
Width: 17.2" (437 mm)
Depth: 29" (737 mm)

Gross Weight: 100 lbs (45.3 kg)
Net Weight: 65.5 lbs (29.7 kg)

Supermicro A+ 4125GS-TNRT GPU Server - Documentation

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