Skip to main content

Technical specifications

Summary of the technical specifications of server. Depending on the model, some features might not be available, or some specifications might not apply.

Processor

Supports multi-core Intel Xeon processors, with integrated memory controller and Intel Mesh UPI (Ultra Path Interconnect) topology.

  • Up to four Intel Xeon 6 processors with P-cores with the new LGA 4710 socket

  • Up to 86 cores per socket

  • Up to three UPI links at up to 24 GT/s

  • Thermal Design Power (TDP): up to 350 watts

Note
For a list of supported processors, see Lenovo ServerProven website.
Memory

See Memory module installation rules and order for detailed information about memory configuration and setup.

  • 64 dual inline memory module (DIMM) slots that support up to 64 DRAM DIMMs
  • 16 Compute Express Link (CXL) memory modules in E3.S 2T form factor

  • Memory module types:

    • TruDDR5 6400 MHz RDIMM: 128 GB (2Rx4)

    • TruDDR5 6400 MHz 10x4 RDIMM: 32 GB (1Rx4), 64 GB (2Rx4), 96 GB (2Rx4)

    • TruDDR5 6400 MHz 3DS RDIMM: 256 GB (4Rx4)

    • CXL memory module (CMM): 96 GB, 128 GB

      Note

      • E3.S CXL memory modules are supported only by server models with E3.S 2T bays.

      • CXL memory modules are not supported with Windows Server and VMware ESXi. For specifics, see OS Interoperability Guide.

      • Intel® VMD is not supported with E3.S 2T CMMs.

  • Speed: The operating speed depends on processor model and UEFI settings.

    • 1DPC: 6400 MT/s

    • 2DPC: 5200 MT/s

  • Capacity:

    • Minimum: 64 GB (2 x 32 GB 3DS RDIMMs)

    • Maximum: 16 TB (64 x 256 GB 3DS RDIMMs)

For a list of supported memory modules, see Lenovo ServerProven website.

M.2 Drive
The server support up to two internal M.2 drives with the following capacity:

  • Up to two internal non-hot-swap M.2 drives

  • Up to two rear hot-swap M.2 drives in server configurations with three risers

For a list of supported M.2 drives, see Lenovo ServerProven website.

Storage expansion

  • Up to twenty-four 2.5-inch hot-swap SAS/SATA/NVMe drives in server models with 2.5-inch drive bays

  • Up to thirty-two E3.S 1T hot-swap drives in server models with E3.S bays

Note
  • VROC supported.
  • Tri-mode adapters support RAID with U.3 drives.
  • When one or more of the following components are installed in the system, the maximum number of supported backplanes is two (sixteen 2.5-inch drives).
    • ThinkSystem Mellanox ConnectX-6 Dx 100GbE QSFP56 2-port PCIe Ethernet Adapter
    • ThinkSystem Nvidia ConnectX-7 NDR200/HDR QSFP112 2-Port PCIe Gen5 x16 InfiniBand Adapter
    • ThinkSystem Nvidia ConnectX-7 NDR400 OSFP 1-Port PCIe Gen5 Adapter
    • ThinkSystem 96GB TruDDR5 6400MHz (2Rx4) 10x4 RDIMM
    • ThinkSystem 128GB TruDDR5 6400MHz (2Rx4) RDIMM
  • When ThinkSystem 256GB TruDDR5 6400MHz (4Rx4) 3DS RDIMM is installed in the system, the maximum number of supported backplanes is one (eight 2.5-inch drives).
  • AnyBay backplanes currently support NVMe drives only. Support for SAS/SATA drives or NVMe + SAS/SATA drives will be enabled via a firmware update in Q4 of 2025.

For a list of supported drives, see Lenovo ServerProven website.

Expansion slots
  • Up to twelve PCIe slots (depending on the server model)
  • Up to two OCP slots
Graphics processing unit (GPU)
The server supports the following GPU configurations:
  • Up to four single-wide, LP GPUs
  • Up to two double-wide, FHFL GPUs

For a list of supported GPUs, see Lenovo ServerProven website.

Integrated functions and I/O connectors
  • Lenovo XClarity Controller (XCC), which provides service processor control and monitoring functions, video controller, and remote keyboard, video, mouse, and remote drive capabilities.

  • Front connectors:

    • One Mini DisplayPort connector (optional)

      1

    • One USB 3.2 Gen1 (5 Gbps) connector (optional)

    • One USB 3.2 Gen 1 (5Gbps) connector with USB 2.0 XCC system management (optional)

    • One external diagnostics connector

  • Internal connector:

    • One internal USB 3.2 Gen1 (5 Gbps) connector (optional)

  • Rear connectors:

    • Two OCP slots

    • One VGA connector

      1

    • One serial port (optional)

    • One XCC system management port (10/100/1000 Mbps RJ-45)

    • Two USB 3.2 Gen1 (5 Gbps) connectors

      2
Note

  1. The maximum video resolution is 1920 x 1200 at 60 Hz.

  2. The lower USB connector at the rear functions as a USB 2.0 connector with XCC system management when there are no USB connectors at the front.

Network

  • Two or four Ethernet connectors on each OCP module (optional)

  • One XCC system management port (10/100/1000 Mbps RJ-45)

RAID adapter
Onboard NVMe ports with software RAID support (Intel VROC NVMe RAID)
  • Intel VROC RAID1 Only: requires an activation key and supports RAID level 1 only
  • Intel VROC Standard: requires an activation key and supports RAID levels 0, 1, and 10
  • Intel VROC Premium: requires an activation key and supports RAID levels 0, 1, 5, and 10
Hardware RAID 0, 1
  • ThinkSystem M.2 RAID B540p-2HS SATA/NVMe Enablement Kit
  • ThinkSystem M.2 RAID B550p-2HS SATA/NVMe Enablement Kit
  • ThinkSystem M.2 RAID B545i-2i SATA/NVMe Enablement Kit
  • ThinkSystem M.2 RAID B550i-2i SATA/NVMe Enablement Kit
Hardware RAID 0, 1, 10
  • ThinkSystem M.2 B340i-2i NVMe Enablement Kit
  • ThinkSystem M.2 B350i-2i NVMe Enablement Kit
  • ThinkSystem RAID 545-8i PCIe Gen4 12Gb Adapter
Hardware RAID 0, 1, 10, 5, 50, 6, 60
  • ThinkSystem RAID 940-8i 4GB Flash PCIe Gen4 12Gb Adapter
  • ThinkSystem RAID 940-8i 4GB Flash PCIe Gen4 12Gb Adapter for U.3
  • ThinkSystem RAID 940-16i 8GB Flash PCIe Gen4 12Gb Adapter
  • ThinkSystem RAID 940-16i 8GB Flash PCIe Gen4 12Gb Adapter for U.3

For more information about the RAID/HBA adapters, see Lenovo ThinkSystem RAID Adapter and HBA Reference or Lenovo ThinkSystem M.2 Adapters.

Host bus adapter
  • ThinkSystem 440-16i SAS/SATA PCIe Gen4 12Gb HBA
  • ThinkSystem 440-16e SAS/SATA PCIe Gen4 12Gb HBA

For more information about the RAID/HBA adapters, see Lenovo ThinkSystem RAID Adapter and HBA Reference.

System fan
The server supports one of the following fan types:
  • Six 60 mm x 56 mm single rotor fans
  • Six 60 mm x 56 mm dual rotor fans
  • Six 60 mm x 56 mm dual rotor ultra fans
Note
Do not mix different fan types in the same server.
Electrical input
The server supports up to two CRPS Premium (CFFv5) power supplies with N+N redundancy.
Following is the list of supported types:
  • CRPS Premium (CFFv5)

    • 2000-watt 230V/115V Titanium

    • 2700-watt 230V/115V Titanium

    • 3200-watt 230V/115V Titanium

    • 1300-watt -48Vdc

    • 1300-watt HVAC/ HVDC

  • CRPS

    • 2700-watt 230V/115V Platinum

Supported power supply configurations:

  • 2 PSUs: 1+1

  • 1 PSU: 1+0 (only supported with 2700-watt CRPS Premium (CFFv5) PSUs)

Important

  • Power supplies and redundant power supplies in the server must be with the same power rating, wattage or level.

  • Mixing of CRPS PSUs from different vendors are not supported.

CAUTION
  • 240 Vdc input (input range: 180-300 V dc) is supported in Chinese Mainland ONLY.
  • Power supply with 240 Vdc input cannot support hot-plugging power cord function. Before removing the power supply with dc input, please turn off server or disconnect dc power sources at the breaker panel or by turning off the power source. Then, remove the power cord.
Note

  • The actual power efficiency depends on system configuration.

  • Only CRPS Premium PSUs support Over-subscriptions (OVS), Zero Output Mode, and Virtual-Reseat (VR).

  • The following Lenovo XClarity Controller options are supported only when CRPS Premium (CFFv5) PSUs are installed:

    • Power Redundant options such as Zero Output Mode and Non-redundant.

    • AC Power Cycle Server option under Power Action.

Minimal configuration for debugging
  • Two processors in socket 1 and 2
  • Two DRAM memory modules in slots 10 and 26
  • Two power supply units
  • Six system fans
  • One 2.5-inch drive, or one E3.S 1T drive, or one M.2 drive (if OS is needed for debugging)
Operating systems
Supported and certified operating systems:

  • Microsoft Windows Server

  • Red Hat Enterprise Linux

  • SUSE Linux Enterprise Server

  • Canonical Ubuntu

References: