Table 1. Standard specifications
ComponentsSpecification
Machine type7Y46 - 1 year warranty
7Y45 - 3 year warranty
Form factorTower or 4U Rack.
Processor 

One Intel processor (formerly codenamed "Coffee Lake"). Choose from:


  • Intel Xeon E-2100 Series processor up to 3.8 GHz
    • 
  • Intel Core i3-8100/8300 Series processor up to 4 GHz
    • 
  • Intel Pentium G5400/G5500/G5600 Series processor up to 3.9 GHz
    • 
ChipsetIntel C246 chipset
MemoryFour DIMM sockets supporting Lenovo TruDDR4 DIMMs at 2666 MHz. Support ECC UDIMMs.
Memory maximumsUp to 64 GB with 4x 16 GB UDIMMs
Memory protectionError-correcting code (ECC)
Disk drive bays 

Available configurations:


  • 8x or 16x 2.5-inch SAS/SATA hot-swap drive bays
    • 
  • 4x or 8x 3.5-inch SAS/SATA hot-swap drive bays
    • 
  • Both 4x 3.5-inch + 8x 2.5-inch SAS/SATA hot-swap drive bays
    • 
  • 8x 3.5-inch simple-swap drive bays
    • 
In addition, the ST250 supports one M.2 Drive via an onboard connector. Note: If the onboard SATA controller is used to connect the drive bays, then only 6 drives can be installed if an M.2 drive is installed.
Maximum internal storage 
  • 38.4 TB with 16x 2.4TB 2.5-inch SAS hot-swap HDDs
    • 
  • 15.4 TB with 16x 960GB 2.5-inch SATA hot-swap SSDs
    • 
  • 64 TB with 8x 8TB 3.5-inch SATA or SAS hot-swap HDDs
    • 
  • 64 TB with 8x 8TB 3.5-inch SATA simple-swap HDDs
    • 
  • Intermix of SAS and SATA is supported.
    • 
Storage controller 
  • Onboard 6 Gb SATA for simple-swap drive configurations, using embedded Intel RSTe software RAID, supporting RAID 0, 1, 10, 5, 50
    • 
  • 12 Gb SAS/SATA RAID for hot-swap drive configurations: 
    • RAID 530i (cacheless) supports RAID 0, 1, 10, 5, 50
      • 
    • RAID 730-8i with 1GB cache supports RAID 0, 1, 10, 5, 50
      • 
    • RAID 930-8i with 2GB flash-backed cache supports RAID 0, 1, 10, 5, 50, 6, 60
      • 
    • RAID 930-16i and 24i with 4GB flash-backed cache supports RAID 0, 1, 10, 5, 50, 6, 60
      • 
    • 
  • 12 Gb SAS/SATA non-RAID: 430-8i and 430-16i HBAs
    • 
Optical drive baysTwo half-height 5.25-inch bays for optical or tape drives. Supports SATA DVD-ROM or DVD-RW (multiburner). Note: If the onboard SATA controller is used to connect the drive bays, then only 6 drives can be installed if an optical drive is installed.
Tape drive baysTwo half-height 5.25-inch bays for optical or tape drives. Support for one RDX drive or one LTO tape drive.
Network interfacesTwo integrated Gigabit Ethernet 1000BASE-T ports (RJ-45) based on Broadcom BCM5720 embedded controller, one can be shared with XCC for systems management. Third dedicated Gigabit Ethernet port for XCC systems management.
PCI Expansion slotsFour PCIe slots as follows: 
  • Slot 1: PCIe 3.0 x1 full-height, half-length
    • 
  • Slot 2: PCIe 3.0 x16 full-height, half-length
    • 
  • Slot 3: PCIe 3.0 x4 full-height, half-length
    • 
  • Slot 4: PCIe 3.0 x4 full-height, half-length (x8 physical slot)
    • 
Ports 
  • Front: 
    • One USB 3.1 G1 (5 Gb/s) port
      • 
    • One USB 2.0 port (supports XClarity Mobile connectivity for local systems management)
      • 
    • 
  • Rear: 
    • Two USB 3.1 G1 (5Gb/s) ports
      • 
    • Two USB 3.1 G2 (10Gb/s) ports
      • 
    • One VGA video
      • 
    • One RJ-45 systems management
      • 
    • Two RJ-45 GbE network ports
      • 
    • One serial port
      • 
    • 
  • Internal: 
    • One internal USB 3.0 port for RDX drive
      • 
    • 
CoolingSupports ASHRAE A2 environments. Certain configurations support ASHRAE A3. Two or three fixed system fans depending on the drive bay configuration. Additional fans attached to the processor heat sink and in the power supplies.
Power supply 

Two choices, model dependent:


  • One fixed power supply, 250W. 80 PLUS Platinum certified.
    • 
  • Two redundant hot-swap power supplies, each 550W. For China customers, the 550W power supplies support 240V DC input. 80 PLUS Platinum certified. Energy Star 2.1 compliant.
    • 
Hot-swap partsHard drives and 550W power supplies
Systems managementOperator panel with status LEDs. XClarity Controller embedded management, XClarity Administrator centralized infrastructure delivery, XClarity Integrator plugins, and XClarity Energy Manager centralized server power management. Optional XClarity Controller Advanced to enable remote control functions.
Security featuresPower-on password, administrator's password, Trusted Platform Module, supporting TPM 1.2 or TPM 2.0. In China only, optional Nationz TPM 2.0 module. Optional chassis intrusion switch. Padlock loop and Kensington cable slot and optional lockable front door for physical security.
VideoG200 graphics with 16 MB memory with 2D hardware accelerator, integrated into the XClarity Controller. Maximum resolution is 1920x1200 32bpp at 60Hz.
Operating systems supportedMicrosoft Windows Server, Red Hat Enterprise Linux, SUSE Linux Enterprise Server, VMware ESXi. See the Operating system support section for specifics.
Limited warrantyThree-year or one-year (model dependent) customer-replaceable unit and onsite limited warranty with 9x5 next business day (NBD).
Service and supportOptional service upgrades are available through Lenovo Services: 4-hour or 2-hour response time, 6-hour fix time, 1-year or 2-year warranty extension, software support for Lenovo hardware and some third-party applications.
DimensionsHeight: 430 mm (16.9 inches), width: 175 mm (6.9 inches), depth: 566 mm (22.3 inches)
WeightFully configured: 23.56 kg (51.94 lb)