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, one M.2 drive, or one 7mm drive (if OS is needed for debugging)
Operating systems
Supported and certified operating systems: 
•  Microsoft Windows Server
•  VMware ESXi
•  Red Hat Enterprise Linux
•  SUSE Linux Enterprise Server
References: 
•  Complete list of available operating systems: 
https://lenovopress.lenovo.com/osig.
•  OS deployment instructions, see 
“Deploy the operating system” on page 73.
Mechanical specifications
Summary of the mechanical specifications of server. Depending on the model, some features might not be 
available, or some specifications might not apply.
Dimension
2 U server
•  Height: 86.5 mm (3.41 inches)
•  Width: 
–  With rack handles: 482 mm (18.98 inches)
–  Without rack handles: 434.4 mm (17.10 inches)
•  Depth: 865 mm (34.06 inches)
Weight
Up to 40 kg (88.18 lb), depending on the server configuration
Environmental specifications
Summary of the environmental specifications of server. Depending on the model, some features might not be 
available, or some specifications might not apply.
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ThinkSystem SR850 V3 System Configuration Guide