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Black 4U rack server with front drive bays and network LEDs

Supermicro

Supermicro SYS-422GA-NBRT-LCC-G1 4U rack server dual Xeon 6960P 2.3TB DDR5 8×B200 4×1.9TB U.2 2×1.92TB M.2

SKU CH-R77J-0V5EC MPN SYS-422GA-NBRT-LCC-G1

A 4U rack server with dual Xeon processors, 2.3TB DDR5 memory, eight B200 GPUs, and 400GbE networking for high-performance workloads

  • WorkloadGeneral Purpose Server
  • TypeRack
  • Rack Height4U
  • LEDsNetwork activity LEDs System information (overheat/UID) UID
  • Hot-swap Fans5 Fan 60mm Fan(s)
  • CPU TypeIntel Xeon
  • Dual 72-core Xeon 6960P processors deliver 2.7 GHz compute density
  • NVIDIA HGX B200 8-GPU baseboard provides 180 GB video memory
  • 3 TB DDR5-6400 ECC memory installed across 24 slots
  • 4×1.9 TB U.2 plus 2×1.92 TB M.2 NVMe SSDs pre-installed
  • 4×6600 W 2+2 redundant Titanium power supplies ensure uptime

4U dual Xeon 6960P HGX B200 server

This 4U rack system ships with two Intel Xeon 6960P processors, each running at 2.70 GHz with 72 cores and 432 MB cache. It is built for AI training and high-performance computing workloads that demand dense GPU acceleration.

Suits teams deploying large-scale AI clusters

Buyers who need only CPU compute or fewer than eight GPUs should look elsewhere. The chassis is not designed for workloads that require more than 2.3 TB of installed memory or more than four U.2 NVMe drives.

Eight NVIDIA B200 GPUs with 180 GB video memory

The HGX baseboard delivers eight B200 GPUs sharing 180 GB of GPU memory, connected by eight single 400G NDR/ETH OSFP links and one NVIDIA BlueField-3 DPU at 200 Gb/s. Power comes from four 6600 W redundant titanium units in a 2+2 configuration.

Highlights

  • Dual 72-core Xeon 6960P processors deliver 2.7 GHz compute density
  • NVIDIA HGX B200 8-GPU baseboard provides 180 GB video memory
  • 3 TB DDR5-6400 ECC memory installed across 24 slots
  • 4×1.9 TB U.2 plus 2×1.92 TB M.2 NVMe SSDs pre-installed
  • 4×6600 W 2+2 redundant Titanium power supplies ensure uptime

Specifications

BrandSUPERMICRO
SeriesSuperServer
ModelSYS-422GA-NBRT-LCC-G1
WorkloadGeneral Purpose Server
TypeRack
Rack Height4U
LEDsNetwork activity LEDs
System information (overheat/UID)
UID
Hot-swap Fans5 Fan 60mm Fan(s)
CPU TypeIntel Xeon
CPU Speed6960P (2.70 GHz)
Number of CPU Cores72-Core Processor
Cache Memory432 MB
# of Processors Installed2
MAX Processors2
Installed Memory Size2.3TB
Memory TypeDDR5 6400
Max Memory Capacity6TB
Memory FeaturesMax Memory (1DPC): Up to 6TB 6400MT/s ECC DDR5 RDIMM
Max Memory (1DPC): Up to 6TB 8800MT/s ECC DDR5 MRDIMM
Number of Memory Slots24
SSD (Installed)4 x 1.9TB U.2 NVMe SSD
2 x 1.92TB M.2 NVMe SSD
Servers_Graphic Installed1
GPU TypeNVIDIA HGX GPU Baseboard 8 B200
Video Memory180GB
Ethernet Controller8 x Single 400G NDR/ETH OSFP
1 x NVIDIA BlueField-3 DPU 200Gb/s
Expansion Bays8 front hot-swap 2.5" NVMe drive bays
2 M.2 NVMe slots (M-key)
Power Characteristics4x 6600W Redundant (2 + 2) Titanium Level (96%) power supplies
TemperatureOperating Temperature: 10°C to 35°C (50°F to 95°F)
Non-operating Temperature: -40°C to 60°C (-40°F to 140°F)
HumidityOperating Relative Humidity: 8% to 90% (non-condensing)
Non-operating Relative Humidity: 5% to 95% (non-condensing)
Dimensions6.85" x 17.6" x 35.25"
Weight203 lbs.
Shipping weight156.49 kg
Package size1255 × 693 × 640 mm

Questions about this item

Should I choose the 2.3TB DDR5-6400 configuration or add more memory up to the 6TB limit?

The system ships with 2.3TB DDR5-6400 across 24 slots. Maximum capacity is 6TB using ECC DDR5 RDIMM at 6400MT/s or MRDIMM at 8800MT/s, so you can expand later if workloads demand it.

What does the 2.70GHz Xeon 6960P speed deliver when driving eight B200 GPUs with 180GB video memory?

Dual 72-core Xeon 6960P processors at 2.70GHz with 432MB cache feed the eight B200 GPUs and 180GB video memory, keeping data moving between CPUs, 2.3TB DDR5-6400 and GPU memory for large-model training.

How do the 400G OSFP and 200Gb/s BlueField-3 links cap real-world throughput?

Eight 400G NDR/ETH OSFP ports and one NVIDIA BlueField-3 DPU at 200Gb/s provide the network fabric; actual throughput depends on cabling, switch configuration and workload traffic patterns.

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