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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 eight Intel Xeon processors up to 350W TDP, with integrated memory controller and Intel Mesh UPI (Ultra Path Interconnect) topology.
  • Designed for LGA 4677 sockets
  • Scalable up to 60 cores
  • Supports 4 UPI links per processor supporting 12.8 GT/s, 14.4 GT/s and 16 GT/s speeds

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.

  • 128 dual inline memory module (DIMM) slots
  • Memory module type:
    • ThinkSystem SR950 V3 32GB TruDDR5 4800MHz (1Rx4) 10x4 RDIMM
    • ThinkSystem SR950 V3 64GB TruDDR5 4800MHz (2Rx4) 10x4 RDIMM
    • ThinkSystem SR950 V3 96GB TruDDR5 4800MHz (2Rx4) RDIMM
    • ThinkSystem 128GB TruDDR5 4800MHz (4Rx4) 3DS RDIMM v1
    • ThinkSystem 128GB TruDDR5 4800MHz (4Rx4) 3DS RDIMM v2
    • ThinkSystem 256GB TruDDR5 4800MHz (8Rx4) 3DS RDIMM v1
    • ThinkSystem 256GB TruDDR5 4800MHz (8Rx4) 3DS RDIMM v2
    • ThinkSystem 128GB TruDDR5 5600MHz (2Rx4) RDIMM
  • Speed:
    Note
    Operating speed depends on processor model and UEFI settings.
    • 4800 MT/s for 1 DIMM per channel
    • 4400 MT/s for 2 DIMMs per channel
  • Minimum memory: 256 GB (One DIMM per CPU)
  • Maximum memory: 32 TB

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

Internal drives

The server supports up to two internal 960 GB NVMe M.2 drives with 80 mm (2280) form factor.

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

Storage expansion
Up to sixteen 2.5-inch or E3.S drives

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

Expansion slots
  • Six front PCIe slots
  • Up to eight rear PCIe slots
  • One OCP module slot (optional)
  • One rear Ethernet slot (optional)
Note
PCIe slot availability is based on riser card selection.
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:
    • Four external Sideband connectors
    • Sixteen external UPI connectors
    • One external diagnostics connector
    • One serial port
    • Front operator panel
      • System ID button/LED
      • System error LED
      • Network Activity LED
      • Power button/LED
    • One USB 2.0 connector with XCC system management function
    • One VGA connector
    • Two USB 3.2 Gen 1 (5 Gbps) connectors
    • One XCC system management port (10/100/1000 Mbps RJ-45)
  • Rear connectors:
    • Twelve PSU supply bays
    • One OCP module slot (optional)
    • One XCC system management port (10/100/1000 Mbps RJ-45) (optional)
Network

Two or four Ethernet connectors on OCP module (optional)

Front button

NMI button

RAID adapter
Onboard NVMe ports with software RAID support (Intel VROC NVMe RAID)

  • 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

  • Intel VROC RAID1 Only: requires an activation key and supports RAID level 1 only

RAID 0, 1, 10, 5, 50, 6, 60
  • ThinkSystem RAID 940-16i 4GB Flash PCIe Gen4 12Gb Adapter
  • ThinkSystem RAID 940-8i 4GB Flash PCIe Gen4 12Gb Adapter
  • ThinkSystem RAID 940-8i 8GB Flash PCIe Gen4 12Gb Adapter

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

Host bus adapter

  • ThinkSystem 440-8i SAS/SATA PCIe Gen4 12Gb HBA

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

System fan

Twelve fans (two fans in each fan module)

Note
The server supports N+2 redundancy and can operate at its maximum power configuration without performance degradation with two failed fan rotors.
Electrical input

The server supports eight or twelve 1800W 230V Titanium Hot-Swap Gen2 power supplies with N+N redundancy.

Minimal configuration for debugging
  • Firmware and RoT security module (installed on the system I/O board and interposer assembly)
  • Two processors on primary chassis lower processor board (MB)
  • One DRAM DIMM in slot A1 on primary chassis lower processor board (MB)
  • One power supply
  • One M.2 drive in M.2#1 Slot (if OS is needed for debugging)
Operating systems
Supported and certified operating systems:
  • VMware ESXi
  • Red Hat Enterprise Linux
  • SUSE Linux Enterprise Server
References: