Lenovo ThinkSystem SR665, Setup Manual

Page: 143 / 268

Technical rules for processor and heat sink
Understanding the technical rules helps you choose the correct heat sinks, fans, and other components
based on what processors are configured for your server.
Supported heat sinks for processors
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 √ √
Supported fans for processors
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
Notes for one-processor configurations
• Internal CFF RAID expander is supported while internal RAID/HBA adapters are not supported
• Up to four onboard NVMe signals are supported.
• 7mm drives and M.2 drives are not supported when eight onboard SATA signals are configured.
• M.2 or SATA drives can be connected to slimline x 4 connectors.
Notes for two-processor configurations
• Internal CFF RAID expander is supported while Internal RAID/HBA adapters are not supported.
• Up to four onboard NVMe signals are supported.
• 7mm drives and M.2 drives are not supported when eight onboard SATA signals are configured.
Technical rules for memory modules
Memory modules must be installed in a specific sequence based on the memory configuration that you
implement on your server. Understanding the technical rules for DIMMs helps you install the correct DIMMs
in the correct sequence.
Your server has 8 channels, 32 memory slots, and supports:
Chapter 4
.
Server hardware setup
139