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ThinkSystem SR645 Rack Server

ThinkSystem SR645 Rack Server

Standout versatility in 1U

A 2S/1U rack server powered by two AMD EPYC™ 7003 series CPUs.

ThinkSystem SR645 Rack Server

Standout versatility in 1U

A 2S/1U rack server powered by two AMD EPYC™ 7003 series CPUs.
  • Tech Specs

    Attribute Specification
    Form Factor 1U rack server
    Processors Up to two (2) AMD EPYC™ 7002 / 7003 Series Processors, up to 64C, 280W
    Memory 32 DDR4 memory slots; Maximum 4TB using 128GB RDIMMs; 2DPC at 3200MHz
    Drive Bays Up to 4x 3.5-inch or 12x 2.5-inch drives; Maximum of 12x NVMe drives with 1:1 connection
    Expansion Slots Up to 3x PCIe 4.0 slots, 1x OCP 3.0 adapter slot
    GPU Up to 3x single-width 75W GPUs
    Network Interface OCP 3.0 mezz adapter, PCIe adapters
    Power Dual redundant PSUs (up to 1800W Platinum)
    Ports Front: 1x USB 3.0, 1x USB 2.0, 1x VGA (optional)
    Rear: 3x USB 3.1, 1x Serial port (optional), 1x RJ-45 (management)
    Systems Management Lenovo XClarity Controller
    OS Support Microsoft Windows Server, SUSE Linux Enterprise Server, Red Hat Enterprise Linux, VMware ESXi
    Limited Warranty 1- and 3-year customer replaceable unit and onsite services, next business day 9x5, optional service upgrades
  • 3D Tour

  • Features and Benefits

    Skillful performance

    The ThinkSystem SR645 delivers extreme levels of core and memory density in 1U to readily handle enterprise data center workloads such as database, analytics and virtualization deployments. Maximize server utilization and decrease network bottlenecks with 128 processor cores from two AMD EPYC™ CPUs, world class memory speeds and 128 PCIe Gen 4.0 lanes.

    Skillful performance

    Versatile design 

    Flexible storage configurations, support for up to 3x single-width GPUs, and across-the-board use of PCIe 4.0 slots eliminate bottlenecks to maximize enterprise efficiency. Utilize the SR645 in analytics deployments to gain better business insights and take control of the growing volume, variety, and velocity of data. 

    Versatile design 

    Innovative management 

    The ThinkSystem SR645 combines Lenovo XClarity management, ThinkShield security features, and Lenovo Services to help make the deployment, management, and servicing of the system simple and highly secure. 

    The XClarity Controller utilizes a dedicated management engine installed in the system that in tandem with XClarity Administrator enables a data-driven, centralized view of data center operations. 

    Innovative management 

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