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Specifications

The following information is a summary of the features and specifications of the server. Depending on the model, some features might not be available, or some specifications might not apply.

Table 1. Specifications.
SpecificationDescription
Dimension4U server
  • Height: 175 mm (6.89 inches)
  • Width: 430 mm (16.93 inches)
  • Depth: 565.7 mm (22.27 inches)
Weight (depending on the configuration)
  • Maximum without package:

    • 2.5-inch drive configuration: 21.98 kg (48.46 lb)

    • 3.5-inch drive configuration: 24.28 kg (53.53 lb)

  • Minimum with package:

    • 2.5-inch drive configuration: 17.96 kg (39.60 lb)

    • 3.5-inch drive configuration: 20.04 kg (44.18 lb)

Processor This server comes with one LGA 1200 socket that supports one of the following Intel® processors scalable up to eight cores:

  • Xeon® E

  • Pentium ®

For a list of supported processors, see: Lenovo Data Center Support.

MemorySee Memory module installation rules and orders for detailed information about memory configuration and setup.
  • Minimum: 8 GB
  • Maximum: 128 GB
  • Slots: four DIMM slots (two channels, two DIMMs per channel)
  • Supports 8 GB, 16 GB, and 32 GB TruDDR4 3200 MHz ECC UDIMMs
Drive bays (varies by model)

Available drive bays might vary by model.

  • Storage drive bays:
    • 3.5-inch simple-swap drive configurations
      • Eight 3.5-inch drives
        • Bay 0 to 6 support SATA drives
        • Bay 7 supports one of the following:
          • SATA drive
          • NVMe drive
      • Six 3.5-inch SATA drives

        • Bay 0 to 3, 4 and 5 support SATA drives

        • Optical-drive bay 1 (lower bay) supports one of the following:
          • Optical drive
          • Tape drive (RDX or LTO)
        • Optical-drive bay 2 (upper bay) supports one optional optical drive
    • 2.5/3.5-inch hot-swap drive configurations
      • Eight 3.5-inch SAS/SATA drives (Bay 0 to 3 and Bay 4 to 7)
      • Sixteen 2.5-inch SAS/SATA drives (Bay 0 to 7 and Bay 8 to 15)
      • Four 3.5-inch (Bay 0 to 3) and eight 2.5-inch SAS/SATA drives (Bay 4 to 11)
      • Optical/tape drive bays
        • Optical-drive bay 1 (lower bay) supports one of the following:
          • Optical drive
          • Tape drive (RDX or LTO)
        • Optical-drive bay 2 (upper bay) supports one optional optical drive
  • Note

    • When an M.2 adapter is installed, with software RAID, the system supports one of the following storage configuration:

      • Up to six 3.5-inch simple-swap SATA drives

      • Up to four 3.5-inch hot-swap SATA drives

    • When an M.2 adapter is installed, 2.5-inch hot-swap SATA drives and optical/tape drives are not supported.

M.2 driveSupports up to two SATA M.2 drives of the following drive form factors:

  • 42 mm (2242)

  • 60 mm (2260)

  • 80 mm (2280)

  • 110 mm (22110)

Supports the following M.2 drive capacity:

  • 128 GB

  • 240 GB

  • 480 GB (supported only when the ambient temperature is below 30°C)

Note

  • When an M.2 adapter is installed, with software RAID, the system supports one of the following storage configuration:

    • Up to six 3.5-inch simple-swap SATA drives

    • Up to four 3.5-inch hot-swap SATA drives

  • When an M.2 adapter is installed, 2.5-inch hot-swap SATA drives and optical/tape drives are not supported.

Expansion slotsFour PCIe expansion slots are available:
  • Slot 1: PCIe Gen3 x4 lane in x4 slot, FH/HL
  • Slot 2: PCIe Gen4 x16 lane in x16 slot, FH/HL
  • Slot 3: PCIe Gen3 x4 lane in x4 slot, FH/HL
  • Slot 4: PCIe Gen3 x4 lane in x8 slot, FH/HL
Note

  1. PCIe slot 2 supports one GPU adapter.

  2. PCIe slot 4 supports one M.2 module.

  3. When ThinkSystem 440-8e SAS/SATA PCIe Gen4 12Gb HBA is installed, other types of RAID adapter/HBA are not supported.

  4. When ThinkSystem 430-8e SAS/SATA 12Gb HBA is installed, the following adapters are not supported:

    • ThinkSystem RAID 9350-16i 4GB Flash PCIe 12Gb Adapter

    • ThinkSystem RAID 9350-8i 2GB Flash PCIe 12Gb Adapter

    • ThinkSystem RAID 5350-8i PCIe 12Gb Adapter

    • ThinkSystem 4350-8i SAS/SATA 12Gb HBA

  5. Slot 1 and Slot 3 in the ST250 V2 are open-end design, which means that the slots can accept adapters with a longer edge connector than the physical length of the slot connector. For example, if a x8 adapter is installed in the x4 slot 3 of the server, half of the edge connector will not be connected to the slot. The adapter will still function, however performance will be impacted.

Input/Output (I/O) features

  • Front panel

    • One Lenovo XClarity Controller USB 2.0 connector

    • One USB 3.2 Gen 1 (5Gb) connector

  • Rear panel

    • One Video Graphics Array (VGA) connector

    • One serial connector

    • One Lenovo XClarity Controller network connector

    • Two Ethernet connectors (shared with Lenovo XClarity Controller network connector)

    • Four USB 3.2 Gen 2 (10Gb) connectors

Network
  • Two 1Gbps RJ45 with BCM 5720
  • One 1Gbps Management RJ45
RAID (depending on model)The following options are available:
  • Hardware RAID (RAID level 0, 1, 5, and 10):
    • ThinkSystem RAID 9350-16i 4GB Flash PCIe 12Gb Adapter (with flash power module)
    • ThinkSystem RAID 9350-8i 2GB Flash PCIe 12Gb Adapter (with flash power module)
    • ThinkSystem RAID 5350-8i PCIe 12Gb Adapter
  • Software RAID (RAID level 0, 1, 5, and 10):
    • Intel VROC SATA RAID

For a list of supported adapters, see:

Lenovo Data Center Support

System fans
This server comes with the following fans:

  • One heat sink and fan assembly (80 x 80 x 25 mm)

  • Two front system fans for drives (92 x 92 x 25 mm)

  • One rear system fan (120 x 120 x 25 mm)

Electrical input
Universal input:

  • Low range: 100 to 127 Vac

  • High range: 200 to 240 Vac

  • Input frequency range: 50 to 60 Hz

Note
ThinkSystem ST250 V2 only supports AC input power. Do not use 240 VDC input.
Power supplyDepending on your configuration, the server comes with one of the following power supply configurations:

  • One 250W or 300W single output fixed power supply

  • One 500W multi output fixed power supply

  • One or two 550W Platinum or 750W Titanium redundant power supplies

Acoustical noise emissions

The server has the following acoustic noise emissions declaration:

  • Sound power level (LWAd):
    • Idling: 4.3 Bel (Typical), 4.4 Bel (Max)
    • Operating: 4.3 Bel (Typical), 4.5 Bel (Max)
  • Sound pressure level (LpAm):
    • Idling: 27.4 dBA (Typical), 28.6 dBA (Max)
    • Operating: 27.6 dBA (Typical), 29.0 dBA (Max)

Note

  • These sound levels were measured in controlled acoustical environments according to procedures specified by ISO 7779 and are reported in accordance with ISO 9296, SPL is measured by bystander position(1m).

  • The declared acoustic sound levels are based on the following configurations, which may change depending on configuration/conditions, for example M.2 drive, Broadcom 57414 25Gb NIC, Broadcom 57416 10Gb NIC, T1000, etc.

    • Typical: 1x 80W CPU, 4x 32GB DIMM, 2x HDD or SSD, RAID 5350-8i, 1x 300W PSU

    • Max: 1x 95W CPU, 4x 32GB DIMM, 2x HDD or SSD, 2x 550W PSU

Approximate heat output

  • Minimum configuration: 358.05 BTU per hour (105 watts)

  • Maximum configuration: 1029.82 BTU per hour (302 watts)

Ambient temperature management

Adjust ambient temperature when specific configuration is applied:

  • Eight 3.5-inch drives

    • When a 95W TDP CPU and a 95W performance heatsink are installed:

      • Keep ambient temperature to 35°C or lower. M.2 drives (up to 240GB) are supported in this configuration.

      • Keep ambient temperature to 30°C or lower when a 480GB M.2 drive is installed.

    • When an 80W (or lower) TDP CPU and an 80W heatsink are installed:

      • Keep ambient temperature to 35°C or lower. M.2 drives (up to 240GB) are supported in this configuration.

      • Keep ambient temperature to 30°C or lower when a 480GB M.2 drive is installed.

  • Sixteen 2.5-inch drives

    • When a 95W TDP CPU and a 95W performance heatsink are installed:

      • Keep ambient temperature to 35°C or lower. M.2 drives (up to 240GB) are supported in this configuration.

      • Keep ambient temperature to 30°C or lower when a 480GB M.2 drive is installed.

    • When an 80W (or lower) TDP CPU and an 80W heatsink are installed:

      • Keep ambient temperature to 35°C or lower. M.2 drives (up to 240GB) are supported in this configuration.

      • Keep ambient temperature to 30°C or lower when a 480GB M.2 drive is installed.

  • Eight 2.5-inch drives and four 3.5-inch drives

    • When an 80W TDP CPU and an 80W heatsink are installed:

      • Keep ambient temperature to 40°C or lower.

      • GPUs, M.2 drives, 10/25GbE Ethernet adapters, and redundant power supplies should not be installed in this configuration.

    • When a 70W (or lower) TDP CPU and an 80W heatsink are installed:

      • Keep ambient temperature to 45°C or lower.

      • GPUs, M.2 drives, 10/25GbE Ethernet adapters, and redundant power supplies should not be installed in this configuration.

EnvironmentThe ThinkSystem ST250 V2 server complies with ASHRAE Class A2 specifications. Depending on the hardware configurations, some models comply with ASHRAE Class A3 and A4 specifications. System performance may be impacted when operating temperature is outside ASHRAE A2 specification.
  • Air temperature:
    • Operating
      • ASHRAE Class A2: 10°C to 35°C (50°F to 95°F); the maximum ambient temperature decreases by 1°C for every 300 m (984 ft) increase in altitude above 900 m (2,953 ft).
      • ASHRAE Class A3: 5°C to 40°C (41°F to 104°F); the maximum ambient temperature decreases by 1°C for every 175 m (574 ft) increase in altitude above 900 m (2,953 ft).
      • ASHRAE Class A4: 5°C to 45°C (41°F to 113°F); the maximum ambient temperature decreases by 1°C for every 125 m (410 ft) increase in altitude above 900 m (2,953 ft).
    • Server off: 5°C to 45°C (41°F to 113°F)
    • Shipment/storage: -40°C to 60°C (-40°F to 140°F)
  • Maximum altitude: 3,050 m (10,000 ft)
  • Relative Humidity (non-condensing):
    • Operating
      • ASHRAE Class A2: 8% to 80%; maximum dew point: 21°C (70°F)
      • ASHRAE Class A3: 8% to 85%; maximum dew point: 24°C (75°F)
      • ASHRAE Class A4: 8% to 90%; maximum dew point: 24°C (75°F)
    • Shipment/storage: 8% to 90%
  • Particulate contamination
    Attention
    Airborne particulates and reactive gases acting alone or in combination with other environmental factors such as humidity or temperature might pose a risk to the server. For information about the limits for particulates and gases, see Particulate contamination.
Operating systemsSupported and certified operating systems:

  • Microsoft Windows Server 2019, 2022

  • VMware ESXi 7.0 U3 or later versions

  • Red Hat Enterprise Linux 8.4 or later versions

  • SUSE Linux Enterprise Server 15 SP3 or later versions

References:
Minimal configuration for debugging

  • One processor

  • One UDIMM in slot 3

  • One power supply unit

  • One drive with RAID adapter and backplane or backplate (if OS is needed for debugging)

  • One system fan, one processor and heat sink fan, and one front system fan for drives

  • Particulate contamination
    Attention: Airborne particulates (including metal flakes or particles) and reactive gases acting alone or in combination with other environmental factors such as humidity or temperature might pose a risk to the device that is described in this document.