Lenovo ThinkSystem SR665 - Technical Rules

Technical rules
This topic provides technical rules for the server.
• “Drive bay configurations and requirements” on page 139
• “Technical rules for GPU” on page 147
• “” on page
• “Technical rules for memory modules” on page 135
• “Technical rules for processor and heat sink” on page 135
• “Technical rules for system fans” on page 148
Technical rules for heat sink
The following lists the required heat sinks and fans when different processors are installed.
Processor TDP
With Mid bays/Full-length GPUs Without Mid bays/Full-length GPUs
Heat sink
1U STD 2U Perf. 2U STD 2U Perf.
Group C
120W
√ √
Group B
155W
√ √
Group A
180/200W
√ √
Group D
225/240W
√ √
Group Z
280W
√ √
Technical rules for system fans
The following lists the required fans when different processors are installed.
Server model
Fan type
With GPUs/CX6 adapters Without GPUs/CX6 adapter
8 x 2.5'', 8 x 3.5'',
16 x 2.5''
Performance
Standard
12 x 3.5'', 24 x
2.5''
Performance
Performance
backplane-less
Performance
Performance
132 ThinkSystem SR665 Maintenance Manual