SODIMM DDR4-2666 PC4-21300

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This page lists DDR4-2666 PC4-21300 Non-ECC SODIMM (SO-DIMM) — 260-pin small-outline, 1.2V, non-ECC, for laptops, mini PCs, all-in-ones and NAS that take SO-DIMM memory. DDR4-2666 runs at 2666MT/s (2666MHz data rate) for 21.3 GB/s of bandwidth per channel.

What is on this page

Single modules from 4GB to 32GB (4GB, 8GB, 16GB and 32GB), in 1Rx8, 1Rx16 and 2Rx8 rank configurations, plus matched kits up to 128GB total. Use the Module Density, Kit and Rank filters to narrow the list, or Shop by System Model to jump straight to modules matched to a specific machine.

Where DDR4-2666 SODIMM is used

DDR4-2666 SODIMM is commonly paired with eighth- and ninth-generation Intel Core desktops and laptops — Dell OptiPlex, Latitude, Inspiron and Vostro — and Synology DS+ NAS. On this page the system-matched listings cover Dell. Match the module to what the system was shipped with — non-ECC unbuffered memory will not work in a slot that requires registered or ECC modules.

Choosing the right SODIMM module

Check whether the system requires ECC SODIMM (many NAS and mobile workstations do) — this page is non-ECC. Stay within the maximum module density the vendor lists per slot, and install matched pairs in dual-channel systems. If you are unsure, send us the system model or the OEM part number and we will confirm fitment before you order.

Buying DDR4-2666 SODIMM direct from NEMIX RAM

NEMIX RAM is a US-based server memory specialist since 1993. Every module is researched, matched and compatibility-tested by NEMIX RAM, JEDEC-compliant, and backed by a lifetime warranty. Purchase orders, net terms and volume pricing are available for business, government and education buyers — request a quote with the part numbers or system models you need, or contact our sales team for fitment help.