Brand: Supermicro | Category: GPUs
SKU: SYS-821GU-TNXR | Part #: SYS-821GU-TNXR | MPN: SYS-821GU-TNXR
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The Supermicro SuperServer SYS-821GU-TNXR is an 8U rackmount GPU server engineered for the most demanding AI training, high-performance computing, and large-scale inferencing workloads in modern datacenters. Built on the Intel Xeon Scalable (Sapphire Rapids) platform, the system supports dual processors and is designed to accommodate up to 8 double-width GPU accelerators, enabling massive parallel compute throughput for deep learning model development, scientific simulation, and real-time analytics pipelines.
The SYS-821GU-TNXR incorporates a high-bandwidth NVLink and PCIe Gen 5 interconnect fabric, allowing GPU-to-GPU communication with minimal latency — a critical requirement for multi-GPU tensor operations and distributed training jobs. The chassis supports high-capacity DDR5 registered ECC memory across multiple channels per processor, ensuring memory bandwidth and reliability appropriate for enterprise and research-grade deployments. Integrated dual 10GbE and optional high-speed networking ports provide flexible connectivity to storage fabrics and cluster interconnects.
As the redundant PSU variant, the SYS-821GU-TNXR is equipped with hot-swap, redundant power supply units to satisfy enterprise uptime and fault-tolerance requirements. The system ships with Supermicro's IPMI 2.0-based out-of-band management via a dedicated BMC, supporting remote monitoring, power control, and health telemetry. This makes the platform well suited for deployment in colocation facilities, hyperscale AI infrastructure, and GPU cloud environments serving UAE, GCC, EMEA, and APAC markets through Omnixon Global.
| Manufacturer | Supermicro |
| Part Number | SYS-821GU-TNXR |
| Form Factor | 8U Rackmount |
| Processor Support | Dual 4th Gen Intel Xeon Scalable (Sapphire Rapids) |
| Socket | LGA4677 (Socket E) x2 |
| GPU Support | Up to 8 double-width GPU accelerators (SXM or PCIe depending on configuration) |
| PCIe Generation | PCIe 5.0 |
| Memory Type | DDR5 ECC Registered (RDIMM) |
| Memory Slots | 32 x DIMM slots (16 per CPU) |
| Storage Bays | Supports NVMe and SATA/SAS drive bays (configuration-dependent) |
| Network Interface | Dual 10GbE Base-T onboard; additional high-speed NIC support via PCIe |
| Management | IPMI 2.0, dedicated BMC, KVM-over-IP, Supermicro IPMI web interface |
| Power Supply | Redundant hot-swap PSU (high-wattage, N+1 configuration) |
| Operating System Support | Ubuntu, RHEL, Windows Server, VMware ESXi |
| Chassis | Supermicro 8U server chassis with high-airflow GPU cooling design |
| Expansion Slots | Multiple PCIe 5.0 slots for GPU and NIC expansion |
| Security Features | Secure Boot, TPM 2.0 header support |
| Compliance | RoHS compliant |
Available from Omnixon Global. Submit an RFQ and our team will confirm configuration and availability for your order.
| Brand | Supermicro |
| Category | GPUs |
| SKU | SYS-821GU-TNXR |
| Part Number | SYS-821GU-TNXR |
| Condition | New |
| Form Factor | 8U Rackmount |
| Processor Support | Dual 4th Gen Intel Xeon Scalable (Sapphire Rapids) |
| Socket | LGA4677 (Socket E) x2 |
| GPU Support | Up to 8 double-width GPU accelerators (SXM or PCIe depending on configuration) |
| PCIe Generation | PCIe 5.0 |
| Memory Type | DDR5 ECC Registered (RDIMM) |
| Memory Slots | 32 x DIMM slots (16 per CPU) |
| Storage Bays | Supports NVMe and SATA/SAS drive bays (configuration-dependent) |
| Network Interface | Dual 10GbE Base-T onboard; additional high-speed NIC support via PCIe |
| Management | IPMI 2.0, dedicated BMC, KVM-over-IP, Supermicro IPMI web interface |
| Power Supply | Redundant hot-swap PSU (high-wattage, N+1 configuration) |
| Operating System Support | Ubuntu, RHEL, Windows Server, VMware ESXi |
| Chassis | Supermicro 8U server chassis with high-airflow GPU cooling design |
| Expansion Slots | Multiple PCIe 5.0 slots for GPU and NIC expansion |
| Security Features | Secure Boot, TPM 2.0 header support |
| Compliance | RoHS compliant |
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.
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.
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.
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.