Supermicro GPU SuperServer SYS-821GE-TNHR

Key Specifications Overview

Category	Specification Details
Product Model	Supermicro GPU SuperServer SYS-821GE-TNHR
Form Factor	8U Rackmount (Motherboard: Super X13DEG-OAD / Chassis: CSE-GP801TS)
Processor Support	Dual Socket E (LGA-4677), 5th & 4th Gen Intel® Xeon® Scalable Processors
GPU Architecture	NVIDIA HGX™ H100 / H200 8-GPU SXM Baseboard
GPU Interconnect	NVIDIA® NVLink™ with NVSwitch™ (GPU-to-GPU) & PCIe 5.0 x16 (CPU-to-GPU)
System Memory	32 DIMM slots, up to 8TB ECC DDR5 RDIMM (up to 5600 MT/s)
Expansion Slots	8x PCIe 5.0 x16 Low Profile (LP) + 2x PCIe 5.0 x16 Full-Height Half-Length (FHHL)
Storage Capacities	Up to 19x Front 2.5″ Hot-Swap bays (16x NVMe + 3x SATA) + 2x M.2 NVMe boot slots
Power Supplies	Redundant 6x 3000W Titanium Level (4+2) PSUs (Optional 8x 3000W 4+4)
Thermal System	10x Heavy-Duty PWM Hot-Swap Cooling Fans

Hardware Architecture & Technical Details

1. Processor & Platform

• Supported CPUs: Dual 5th Gen (Emerald Rapids) or 4th Gen (Sapphire Rapids) Intel® Xeon® Scalable Processors.

• Core Count & TDP: Up to 64 Cores / 128 Threads per processor; supports up to 350W TDP per CPU socket under air cooling.

• Chipset: Intel® C741 Chipset.

2. Accelerated GPU Baseboard

• GPU Capacity: Integrated NVIDIA SXM HGX 8-GPU Baseboard.

• Supported Accelerators:

  • 8x NVIDIA HGX H100 (80GB SXM5)

  • 8x NVIDIA HGX H200 (141GB SXM5)

• Interconnect Architecture:

  • GPU-to-GPU: NVIDIA NVLink™ via onboard NVSwitch™ engines for high-bandwidth, low-latency inter-GPU communication.

  • CPU-to-GPU: Dedicated PCIe 5.0 x16 links.

3. Memory Subsystem

• Slots & Capacity: 32x DDR5 DIMM slots supporting up to 8TB ECC DDR5 RDIMM.

• Memory Speeds: Up to 5600 MT/s (1DPC) / up to 4400 MT/s (2DPC).

• Operating Voltage: 1.1V.

4. Storage Subsystem

• Default Setup (15 Bays): 12x Front 2.5″ Hot-Swap NVMe bays + 3x Front 2.5″ Hot-Swap SATA bays.

• Expanded Setup (19 Bays): 16x Front 2.5″ Hot-Swap NVMe bays + 3x Front 2.5″ Hot-Swap SATA bays.

• Boot Storage: 2x onboard M.2 PCIe NVMe slots (M-key) for dedicated OS boot drives.

5. Expansion & Networking Options

• Dedicated Fabric Slots: 8x PCIe 5.0 x16 Low-Profile (LP) expansion slots designed for high-speed network adapters (e.g., NVIDIA ConnectX-6 / ConnectX-7 200G/400G InfiniBand or RoCE cards).

• General PCIe Expansion: 2x PCIe 5.0 x16 Full-Height Half-Length (FHHL) slots.

• Optional Network Mezzanine Cards: Flexible networking options including dual-port 10GbE SFP+ or dual-port 25GbE SFP28 adapters.

6. Power, Thermal & Management

• Power Supplies: 6x 3000W Redundant Titanium Level (96%+ Efficiency) power supplies in 4+2 configuration (Optional: 8x 3000W in 4+4 configuration).

• Cooling Infrastructure: 10x heavy-duty PWM hot-swap fans with intelligent speed regulation and thermal monitoring.

• Management Suite: SuperCloud Composer® (SCC), Supermicro Server Manager (SSM), Supermicro Update Manager (SUM), SuperDoctor® 5, and IPMI 2.0 with dedicated LAN port.

Physical & Environmental Specifications

Parameter	Metric
Dimensions (W x H x D)	17.2″ x 14.0″ x 33.2″ (437 mm x 355.6 mm x 843.28 mm)
Net Weight	166 lbs (75.3 kg)
Gross Weight	225 lbs (102.1 kg)
Operating Temperature	10°C to 35°C (50°F to 95°F)
Non-Operating Temperature	-40°C to 60°C (-40°F to 140°F)
Operating Humidity	8% to 90% (non-condensing)