Supermicro SuperServer SYS-420GH-TNXR 4U GPU/HPC Hybrid Server

Supermicro SuperServer SYS-420GH-TNXR 4U GPU/HPC Hybrid Server

Brand: Supermicro | Category: GPUs

SKU: SYS-420GH-TNXR | Part #: SYS-420GH-TNXR | MPN: SYS-420GH-TNXR

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About the Supermicro SuperServer SYS-420GH-TNXR 4U GPU/HPC Hybrid Server

The Supermicro SuperServer SYS-420GH-TNXR is a 4U GPU and HPC hybrid server engineered for the most demanding artificial intelligence, machine learning, and high-performance computing environments. Built on the Intel Xeon Scalable processor platform, the system supports dual third-generation Intel Xeon Scalable CPUs and is architected to accommodate a dense array of high-performance GPUs, making it equally capable as a deep learning training platform and a traditional HPC compute node. The chassis integrates Supermicro's optimized thermal and power delivery infrastructure, enabling sustained operation of full-power GPU and CPU configurations at datacenter scale.

The SYS-420GH-TNXR supports up to ten double-width GPU accelerators, with PCIe Gen 4 connectivity providing high-bandwidth, low-latency communication between CPUs, GPUs, and storage. The system accommodates large memory configurations across its DDR4 DIMM slots, supporting high-memory AI workloads and in-memory analytics. High-speed networking via 25GbE onboard connections ensures the server can participate in demanding multi-node training clusters and distributed HPC fabrics without network bottlenecks. Redundant 3000W Titanium-level power supplies and hot-swap components support the continuous uptime requirements of production datacenter operations.

Designed for integration into modern enterprise and hyperscale datacenters across AI infrastructure, scientific simulation, financial modeling, and seismic processing domains, the SYS-420GH-TNXR ships as a complete, validated system with Supermicro's IPMI 2.0-compliant Baseboard Management Controller for out-of-band management, remote monitoring, and lifecycle administration. The server's modular GPU tray design simplifies accelerator installation and serviceability, reducing planned maintenance windows and supporting flexible GPU configuration changes as workload requirements evolve.

Ideal for

  • Large-scale deep learning model training using multi-GPU frameworks such as TensorFlow and PyTorch across dense accelerator configurations
  • High-performance computing workloads including computational fluid dynamics, molecular dynamics simulation, and finite element analysis
  • AI inference at scale for real-time computer vision, natural language processing, and recommendation engine pipelines in production datacenter environments
  • Financial services quantitative modeling, risk simulation, and Monte Carlo analysis requiring sustained parallel floating-point throughput
  • Seismic data processing and geophysical imaging for energy sector HPC applications demanding high GPU memory bandwidth
  • Multi-tenant GPU virtualization for enterprise AI platforms, enabling isolated, high-performance compute environments for multiple teams or business units

Technical specifications

ManufacturerSupermicro
Manufacturer Part NumberSYS-420GH-TNXR
Form Factor4U Rackmount
CPU SupportDual 3rd Gen Intel Xeon Scalable Processors (Ice Lake-SP)
CPU SocketSocket P+ (LGA-4189), 2 sockets
Max TDP per CPU270W
Memory Slots32 x DIMM slots (DDR4)
Memory TypeDDR4 ECC Registered (RDIMM / LRDIMM)
Max Memory4TB DDR4
GPU SupportUp to 10 x double-width GPUs
PCIe GenerationPCIe 4.0
Storage Bays4 x 3.5-inch or 2.5-inch hot-swap drive bays
M.2 Slots2 x M.2 NVMe
Onboard Networking2 x 25GbE (SFP28) via Intel E810
ManagementDedicated IPMI 2.0 LAN port with Supermicro IPMI / BMC
Power SupplyRedundant 3000W Titanium-level (80 PLUS Titanium) PSUs, hot-swap
Operating System SupportRed Hat Enterprise Linux, SUSE Linux Enterprise Server, Ubuntu, VMware vSphere
Chassis Dimensions4U (approximately 17.2 x 7 x 35.75 inches)
CoolingHigh-performance hot-swap redundant fan modules with optimized GPU airflow path
BIOSAMI UEFI BIOS with PXE, ACPI, and SMBIOS support

Available from Omnixon Global. Submit an RFQ and our team will confirm configuration and availability for your order.

Technical Specifications

BrandSupermicro
CategoryGPUs
SKUSYS-420GH-TNXR
Part NumberSYS-420GH-TNXR
ConditionNew
Manufacturer Part NumberSYS-420GH-TNXR
Form Factor4U Rackmount
CPU SupportDual 3rd Gen Intel Xeon Scalable Processors (Ice Lake-SP)
CPU SocketSocket P+ (LGA-4189), 2 sockets
Max TDP per CPU270W
Memory Slots32 x DIMM slots (DDR4)
Memory TypeDDR4 ECC Registered (RDIMM / LRDIMM)
Max Memory4TB DDR4
GPU SupportUp to 10 x double-width GPUs
PCIe GenerationPCIe 4.0
Storage Bays4 x 3.5-inch or 2.5-inch hot-swap drive bays
M.2 Slots2 x M.2 NVMe
Onboard Networking2 x 25GbE (SFP28) via Intel E810
ManagementDedicated IPMI 2.0 LAN port with Supermicro IPMI / BMC
Power SupplyRedundant 3000W Titanium-level (80 PLUS Titanium) PSUs, hot-swap
Operating System SupportRed Hat Enterprise Linux, SUSE Linux Enterprise Server, Ubuntu, VMware vSphere
Chassis Dimensions4U (approximately 17.2 x 7 x 35.75 inches)
CoolingHigh-performance hot-swap redundant fan modules with optimized GPU airflow path
BIOSAMI UEFI BIOS with PXE, ACPI, and SMBIOS support

Frequently Asked Questions about Supermicro SuperServer SYS-420GH-TNXR 4U GPU/HPC Hybrid Server

What server platforms accept the Supermicro SuperServer SYS-420GH-TNXR 4U GPU/HPC Hybrid Server?

Reference servers include Dell PowerEdge XE9680 / XE9712, HPE Cray XD670, Lenovo ThinkSystem SR685a / SR675 V3, Supermicro AS-A21GE / SYS-821GE, Gigabyte G593 / G894, ASUS ESC. Share your target platform in the RFQ and we will confirm chassis-to-GPU compatibility and recommended NIC pairing.

How long is the lead time on AI GPUs?

Highly model-dependent. L40S / RTX-class: typically 3-6 weeks. H100/H200/B200 in SXM form factor: 12-16 weeks for whole-platform allocations. We quote genuine-channel ETAs only — no grey-market promises.

Do you supply matched networking (Quantum InfiniBand / Spectrum-X)?

Yes — Omnixon stocks the full NVIDIA networking lineup (Quantum-2 / Quantum-X InfiniBand, Spectrum-X Ethernet, ConnectX NICs, BlueField DPUs) so we can quote a complete training-cluster BOM, not just the GPUs.

Can you help with NVIDIA AI Enterprise licensing?

Yes. We hold genuine-channels for NVIDIA AI Enterprise software subscriptions. Add it to your RFQ and we quote node-aligned licensing along with the hardware.