Dell XPS 15 Memory Upgrades ✓­ Guaranteed Compatible

Learn more about Dell XPS 15 memory

What Dell XPS 15 DIMM type is supported?

SODIMM

Why are there various DIMM types supported?

Factory configured 15 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 Dell XPS 15 memory speed is supported?

DDR3-1600, DDR4-2133 and DDR4-2666

Why may there be various speeds of Dell XPS 15 memory?

Some servers often have various configurations and versions. If you are unsure what you need, please refer to your 15 manual or data sheet. If you need tech support, please contact us.

General DIMM population guideline for Dell XPS 15 upgrade to consider.

Some may or may not apply.

• If mixing memory speeds, all 2 DIMMs run at the lowest DDR3-1600 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 Dell XPS 15 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 Dell XPS 15 upgrades. All modules listed are qualified to work in your Dell XPS 15.