ThinkSystem SD650-N V2 High-Density Server
Exascale performance for your AI & HPC workloads
The SD650's direct water cooling design delivers maximum performance, extreme density, and leading energy efficiency in the data center.
Features

Lenovo Neptune™ accelerated
A decade of experience in direct water cooling sets Lenovo apart. Lenovo ThinkSystem SD650-N V2 is based on our fourth generation Lenovo Neptune™ direct water cooling platform.
The combination of market leading NVIDIA acceleration technology with the market leading water cooling solution from Lenovo results in extreme performance in an extreme dense packaging.

Accelerating your applications
ThinkSystem SD650-N V2 has 4 NVIDIA A100 Tensor Core GPUs that are interconnected through NVLink delivering notable HPC performance improvements, AI training, and inference workloads. With NVIDIA® CUDA®, you can accelerate 700+ supported HPC applications and every major deep learning framework:
Chemistry like Gaussian and GROMACS
Finite Elements like LS-DYNA and Simulia Abaqus
Fluid Dynamics like OpenFOAM and ANSYS Fluent
Molecular Dynamics like NAMD and AMBER
Weather and Climate like WRF and ICON

Solutions that scale
Lenovo ThinkSystem SD650-N V2 a fully-integrated Lenovo Scalable Infrastructure (LeSI) solution, provides Best Recipe guides to warrant interoperability of hardware, software and firmware among a variety of Lenovo and third-party components.
With Lenovo intelligent Computing Orchestration (LiCO), you can support multiple users and scaling within a single cluster environment. LiCO allows you to leverage a single cluster for diverse workload requirements.
3D Tour
Tech Specs
Form Factor/Height | 6U rack-mount with 6 trays |
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Processor | 2x 3rd Gen Intel® Xeon® Scalable processors per node |
Memory | Up to 2.0TB using 16x 128GB 3200MHz TruDDR4 RDIMMs per tray |
Storage | 2x 2.5-inch slim SATA / NVMe U.2 SSD and 2x M.2 SATA SSD SW RAID and Intel VROC for Intel drives only |
NIC | 1x SFP28 25Gb LOM, NCSI 1x RJ45 1GbE, NCSI |
PCIe | 2x x16 PCIe Gen4 LP per tray |
Power | 6/9 N+1 redundant hot-swap PSUs (up to 2400W Platinum) |
Cooling | Direct Water Cooling with up to 50°C inlet water temperature |
Management | Lenovo XClarity Controller (XCC) and Lenovo Intelligent Computing Orchestration (LiCO) |
OS Support | Red Hat Enterprise Linux, SUSE Linux Enterprise Server Tested on CentOS |
Acceleration | NVIDIA HGX™ A100 4-GPU with 4x NVLink connected SXM4 GPUs |