Tech Spec Spec it right!

Lenovo ThinkSystem SD650-N V2

A direct-water-cooled, single-node 1U tray for the ThinkSystem DW612 enclosure pairing two 3rd Gen Intel Xeon Scalable processors with four NVIDIA A100 (or A800) SXM4 GPUs on an NVLink HGX board, built for HPC and AI training/inference clusters.

Memory

Slots
16 DIMM (8 per processor)
Type
Lenovo TruDDR4 RDIMM
Speed
Up to 3200 MT/s
Max
2 TB (16 x 128 GB 3DS RDIMM)
Channels
8 per processor, 1 DIMM per channel
Protection
ECC, SDDC (x4-based DIMMs), ADDDC (x4-based DIMMs)

Storage

Drive bays
With 1 PCIe slot: 2x 7mm 2.5" (SATA or NVMe) or 1x 15mm 2.5" (NVMe); with 2 PCIe slots: 1x 7mm 2.5" (SATA or NVMe)
M.2
Up to 2x M.2 SSDs on an M.2 adapter
Controllers
2x onboard SATA ports (Intel VROC SATA RAID / RSTe), 2x onboard NVMe ports (Intel VROC NVMe RAID, Intel SSDs included, optional licence for non-Intel)
Max capacity
15.36 TB (2x 7.68 TB 7mm SATA); 7.68 TB (2x 3.84 TB 7mm NVMe); 3.84 TB (1x 3.84 TB 15mm NVMe)
Optical
No internal bay; external USB drive only

Graphics

GPUs
NVIDIA HGX A100 4-GPU board (NVLink), 4x SXM4 modules
Options
A100 40GB 400W board, A100 80GB 500W board, or A800 80GB 500W board (PRC/Hong Kong/Macau)
Compute
19.5 TFLOPS FP64 peak per GPU (108 SMs @ 1.41 GHz), 312 TFLOPS FP32 peak, 624 TOPS INT8 peak
Memory
40 GiB HBM2 or 80 GiB HBM2e per GPU
Interconnect
NVLink 600 GB/s aggregate; PCIe Gen4
Features
3rd-gen Tensor Cores (FP64/TF32/BF16/INT8/INT4), structured sparsity, Multi-Instance GPU (up to 7 instances), SR-IOV

Expansion

Slots
1x or 2x PCIe 4.0 x16, low-profile form factor

Networking

Onboard
1x 1 Gb Ethernet RJ45 and 1x 25 Gb Ethernet SFP28, based on Mellanox ConnectX-4 controller
Shared NIC
One onboard port can share with XClarity Controller for Wake-on-LAN/NC-SI

Power

Enclosure
ThinkSystem DW612 shared hot-swap power supplies, configuration-dependent

Ports

Node
External diagnostics port; console connector (breakout cable provides 1x VGA, 1x USB 3.1, 1x DB9 serial)
Enclosure (SMM2)
Management Ethernet port(s) on the DW612 enclosure

Physical

Tray dimensions
438 x 41 x 692 mm (17.2 x 1.6 x 27.2 in)
Tray weight
22.1 kg (48.6 lb)
Enclosure
ThinkSystem DW612, 6U rack-mounted
Cooling
Lenovo Neptune direct water cooling, fan-less; water 2-45°C with A100 40GB, 2-40°C with A100 80GB (ASHRAE W4/W3)

Management

BMC
XClarity Controller (XCC) embedded management
Enclosure management
System Management Module (SMM2) in the DW612 enclosure
Optional
XClarity Controller Advanced/Enterprise for remote control functions
Power monitoring
TI INA226-based power/energy meter, >97% accuracy, 100 Hz sampling
Video
Matrox G200 graphics, 16 MB memory, integrated into XCC; max 1920x1200 32bpp @ 60 Hz
Security
TPM 2.0, power-on/admin passwords

Operating systems

Certified
Red Hat Enterprise Linux, SUSE Linux Enterprise Server

Processors

  • Intel Xeon Gold 5318Y
  • Intel Xeon Gold 5320
  • Intel Xeon Gold 6326
  • Intel Xeon Gold 6330
  • Intel Xeon Gold 6334
  • Intel Xeon Gold 6336Y
  • Intel Xeon Gold 6338
  • Intel Xeon Gold 6342
  • Intel Xeon Gold 6346
  • Intel Xeon Gold 6348
  • Intel Xeon Gold 6354
  • Intel Xeon Platinum 8352M
  • Intel Xeon Platinum 8352Y
  • Intel Xeon Platinum 8358
  • Intel Xeon Platinum 8358P
  • Intel Xeon Platinum 8360Y
  • Intel Xeon Platinum 8362
  • Intel Xeon Platinum 8368
  • Intel Xeon Platinum 8368Q
  • Intel Xeon Platinum 8380