SYS-421GU-TNXR Supermicro SuperServer Dual Xeon Scalable 4th Gen 4U Server
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SYS-421GU-TNXR
High-Density 4U GPU Server featuring NVIDIA HGX SXM acceleration with the SYS-421GU-TNXR
The SYS-421GU-TNXR is a 4U rackmount GPU platform engineered for NVIDIA HGX SXM deployments while pairing dual Intel Xeon Scalable 4th/5th Gen processors on the LGA4677/C741 platform to sustain high host-side throughput. This architecture targets NVLink-connected multi-GPU training and tightly coupled GPU compute, where CPU core density, memory bandwidth, and deterministic PCIe connectivity are required to keep GPU fabrics saturated.
With 32 DDR5 RDIMM ECC slots, the SYS-421GU-TNXR supports large in-memory datasets and checkpointing pipelines, enabling balanced CPU-to-GPU preprocessing and distributed training orchestration. PCIe 5.0 expansion and PCIe 5.0 x16 CPU-to-GPU links are complemented by a front-access storage design featuring 6 hot-swap 2.5in bays for NVMe/SATA plus dual M.2 options, aligning fast local scratch, dataset staging, and OS separation with enterprise serviceability and uptime requirements.
Why Choose the SYS-421GU-TNXR?
The SYS-421GU-TNXR delivers a density-to-performance profile optimized for multi-GPU AI and HPC nodes by integrating an HGX SXM baseboard with resilient dual-socket compute, high-memory capacity, and redundant power. The SYS-421GU-TNXR is suited to scalable clusters where predictable thermals, remote management, and consistent I/O mapping simplify repeatable rack-level deployment and lifecycle operations.
Supermicro designs systems with a focus on validated platform integration, service-friendly mechanical layouts, and adherence to modern data center requirements such as secure boot, signed firmware update workflows, and hardware root-of-trust controls, supporting long-term reliability at scale.
Key Applications:
- LLM and multimodal AI training
- GPU-accelerated HPC simulation
- High-throughput inference and model evaluation
- Compute-intensive analytics
At Happyware - Server Hardware you benefit from non-binding offers tailored to SYS-421GU-TNXR configurations and an extended warranty of up to 6 years, helping standardize enterprise rollouts while protecting long-term platform investments.
Technical details of SYS-421GU-TNXR
How long is the Warranty and how you can get technical support for SYS-421GU-TNXR
| Warranty: | 12 months (part) 12 months (labor) |
|---|---|
| Advanced replacement: | yes |
| RMA Url: | https://www.supermicro.com/en/support/rma/ |
| Description: | Cross-Shipment only in specific Time Frames. RMA-Number Required, No guaranteed delivery times. On-site service is not standard. |
| Support Portal: | https://support.happyware.com |
|---|
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