Lenovo ThinkSystem SD550 V3 System Configuration Manual page 22

Keep the ambient temperature to 30°C or lower with the following system configurations.
• Two 350-watt TDP Processors (Processor 2 with performance heat sink) with:
– Up to sixteen 96 GB DIMMs
– Up to six 2.5-inch drives
– Up to two PCIe adapters
– Up to two M.2 drives
– One OCP module
• Two 300-watt TDP processors (Processor 2 with performance heat sink) or 250-watt TDP processors with:
– Up to six 2.5-inch drives
– Up to two M.2 drives
– One OCP module
– One of the following:
1. Up to sixteen 128 GB DIMMs with up to two PCIe adapters
2. Up to sixteen 96 GB DIMMs with up to two GPU adapters
Keep the ambient temperature to 25°C or lower with the following system configuration.
• Two 350-watt TDP Processors (Processor 2 with performance heat sink) with:
– Up to six 2.5-inch drives
– Up to two M.2 drives
– One OCP module
– One of the following:
1. Up to sixteen 128 GB DIMMs with up to two PCIe adapters
2. Up to sixteen 96 GB DIMMs with up to two GPU adapters
ThinkSystem SD550 V3 System Configuration Guide
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