"Hot-Swap 1100W Power Supply suitable for the following ThinkSystem servers:

• ThinkSystem SR645
• ThinkSystem SR665

Important:
If installing a 2nd Power Supply for redundanct, both Hot-Swap Power Supplies MUST be identical."

"TruDDR4 memory uses the highest-quality components sourced from Tier 1 DRAM suppliers and only memory that meets strict requirements is selected.
It is compatibility-tested and tuned to maximize performance and reliability.

TruDDR4 memory has a unique signature programmed into the DIMM, which enables ThinkSystem servers to verify whether the memory installed is qualified and supported.
From a service and support standpoint, TruDDR4 memory automatically assumes the system's warranty, and service and support provided worldwide.

SFP+ Transceiver

The adoption of 10Gb Ethernet is growing rapidly. For the majority of cabling runs up to 7 meters, clients can use Direct Attach Cable (DAC), especially when connecting servers within the same rack or between closely located racks. For longer distances, use short or long range transceivers and optical cables.