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Supermicro AS-4125GS-TNRT2 Key Features

Key Features
High GPU density & dual-root I/O
Up to 10 double-width GPUs supported via dual-root PCIe switch architecture, allowing full PCIe 5.0 bandwidth per GPU.
Compatible with both active and passive GPU designs — flexible for various accelerator types.
Scalable compute & memory
Dual AMD EPYCâ„¢ 9004/9005 processors (supporting up to 400W TDP) deliver high core and thread counts.
24 DDR5 slots are supported, with memory capacities up to ~6 TB (1 DIMM per channel) and up to 6000 MT/s speeds.
Storage, cooling & redundancy
Supports 8 hot-swap 2.5″ NVMe drive bays plus SATA/SSD options, and includes an M.2 boot slot.
Redundant power via 4 × 2000W Titanium-level PSUs in 2+2 configuration, and 8 heavy-duty hot-plug fans ensure robust cooling.

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Supermicro 4U GPU Server (AS -4125GS-TNRT2)

Supermicro AS-4125GS-TNRT2 Specifications

Processor Dual AMD EPYCâ„¢ 9004 / 9005 series processors, supporting up to 400W TDP, up to 160 cores per server.
Memory 24 DDR5 DIMM slots; up to ~6 TB (1DPC) with ECC RDIMMs; speeds to 4800–6000 MT/s depending on CPU series.
GPU / Accelerators Up to 10 double-width PCIe accelerators; supports NVIDIA (H100, A100, etc.) and AMD Instinct MI210.
Expansion / I/O Dual-root PCIe 5.0 architecture; 11+ PCIe 5.0 x16 slots depending on configuration.
Storage / Drive Bays 8 hot-swap 2.5″ NVMe drives (front), 2 SATA/SSD bays, and 1 M.2 NVMe boot slot.
Power Supplies 4 × 2000 W Titanium (96%) redundant PSUs in 2+2 configuration.
Cooling / Fans 8 hot-swap heavy-duty fans with dynamic speed control.
Form Factor & Dimensions 4U rackmount; approx 178 mm (H) × 437 mm (W) × 737 mm (D).
Security & Management Silicon Root of Trust, TPM 2.0, secure boot, signed firmware, system lockdown. Managed via Supermicro SSM, SUM, Redfish, SuperCloud Composer.

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