LENOVO ThinkSystem M.2 SSD Thermal Kit for SR550/SR590/SR650
"The ThinkSystem M.2 SSD Thermal Kit is required for SR550/SR590/SR650 configurations using 5100 or 5300 M.2 SSDs.
"The ThinkSystem M.2 SSD Thermal Kit is required for SR550/SR590/SR650 configurations using 5100 or 5300 M.2 SSDs.