Table 1.  Specifications
Specification
Description
Dimension 4U 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: 
http://datacentersupport.lenovo.com.
Memory
See “Memory module installation rules and orders” on page 149 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
4 ThinkSystem ST250 V2 Maintenance Manual