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Supermicro SuperServer SYS-421GE-TNRT
SYS-421GE-TNRT
Enterprise stock · tested · export documentation available
The Supermicro SuperServer SYS-421GE-TNRT is a high-density 4U rackmount server designed for compute-intensive workloads such as Artificial Intelligence (AI) training, Large Language Model (LLM) inference, High-Performance Computing (HPC), 3D graphics rendering, and deep learning data analytics.
Powered by dual 4th or 5th Generation Intel® Xeon® Scalable processors and supporting up to 8 double-width PCIe 5.0 GPUs, this platform provides enterprise-grade scalability, massive PCI Express bandwidth, and extreme thermal resilience.
Key Highlights
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High GPU Density: Accommodates up to 8 x double-width PCIe 5.0 x16 GPUs (such as NVIDIA H100 PCIe, L40S, A100, or RTX 6000 Ada).
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Dual CPU Architecture: Supports two 4th/5th Gen Intel® Xeon® Scalable processors up to 350W TDP per socket.
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Massive Memory Footprint: 32 DDR5 DIMM slots providing up to 8TB of high-bandwidth memory.
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Flexible Storage Setup: Up to 24 hot-swap 2.5″ drive bays supporting NVMe, SAS, and SATA drives.
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Redundant Power Efficiency: Quad Titanium Level (96% efficiency) redundant power supplies ensuring uninterrupted operation.
Detailed Specifications
| Category | Specification Details |
| System Model | Supermicro SYS-421GE-TNRT |
| Form Factor | 4U Rackmount |
| Motherboard | Super X13DEG-QT |
| Processor Support |
• Sockets: Dual Socket E (LGA-4677) • CPU Family: 4th & 5th Gen Intel® Xeon® Scalable Processors • Thermal TDP: Up to 350W per CPU |
| System Memory |
• DIMM Slots: 32 DIMM slots • Type: DDR5 ECC Registered RDIMM • Max Capacity: Up to 8TB • Memory Speed: Up to 4800 MT/s (4th Gen) / 5600 MT/s (5th Gen) |
| GPU Acceleration |
• Capacity: Up to 8 x double-width PCIe 5.0 x16 GPUs • Supported GPUs: NVIDIA H100, L40S, L40, A100, RTX 6000 Ada, etc. |
| Expansion Slots |
• 8 x PCIe 5.0 x16 double-width FHFL slots (for GPUs) • Additional PCIe 5.0 x16/x8 slots for high-speed NICs (InfiniBand/100G/200G/400G Ethernet) |
| Drive Bays & Storage |
• Front Bays: Up to 24 x 2.5″ Hot-swap Drive Bays (NVMe / SAS / SATA) • Boot Drives: 2 x M.2 PCIe 4.0 x4 NVMe slots onboard |
| Networking |
• 2 x 10GbE RJ45 LAN ports (Intel® X550-AT2 controller) • 1 x Dedicated RJ45 IPMI management port |
| Power Supply |
• Configuration: 4 x Redundant Titanium Level power supply units (3+1 or 2+2 redundant configuration) • Wattage: 2000W / 2700W / 3000W options (100V-240V AC / 240V DC) |
| System Cooling | • Multiple high-performance heavy-duty hot-swappable fans with optimal airflow ducting |
| Management & Security |
• IPMI 2.0 with virtual media & KVM-over-LAN • Redfish API, Supermicro Server Manager (SSM) • TPM 2.0 header support |
| Dimensions |
• Width: 17.2 in (437 mm) • Height: 7.0 in (178 mm) • Depth: 32.3 in (821 mm) |
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