Lenovo ThinkSystem SD665 V3 Memory Upgrades ✓­ Guaranteed Compatible

Learn more about Lenovo ThinkSystem SD665 V3 memory

What Lenovo ThinkSystem SD665 V3 DIMM type is supported?

RDIMM

Why are there various DIMM types supported?

Factory configured SD665 V3 systems often have smaller, less expensive modules. As more memory is required different density and technologies are needed. DIMM type mixing is never recommended.

What is a registered memory module?

Registered DIMM memory modules have a register component between the DRAM modules and the motherboard memory controller. When manufactured as a dual in-line memory module (DIMM), a registered memory module is called an RDIMM.

What Lenovo ThinkSystem SD665 V3 memory speed is supported?

DDR5-4800 and DDR5-6400

Why may there be various speeds of Lenovo ThinkSystem SD665 V3 memory?

Some servers often have various configurations and versions. If you are unsure what you need, please refer to your SD665 V3 manual or data sheet. If you need tech support, please contact us.

General DIMM population guideline for Lenovo ThinkSystem SD665 V3 upgrade to consider.

Some may or may not apply.

• If mixing memory speeds, all 2 DIMMs run at the lowest DDR5-4800 bus frequency.
• Install DIMMs starting furthest from the processor.
• Do not install DIMMs if the corresponding processor is not installed.
• If only one processor is installed in a two CPU system, only half of the DIMM slots are available.
• To maximize performance, balance the total memory capacity between all installed processors.
• It is not required, but it is recommended to load the channels similarly if possible.

Why are there so many Lenovo ThinkSystem SD665 V3 upgrade options?

IT buyers come from all walks of life. Some purchase by OEM part number. Some purchase by original module part number. Our goal is to give you confidence when purchasing Lenovo ThinkSystem SD665 V3 upgrades. All modules listed are qualified to work in your Lenovo ThinkSystem SD665 V3.