Dear for the market
Today’s price is 223% above this kit’s typical price for the past year, and it has been cheaper than this for 98% of that year (last on 29 May 2026).
At £21.50/GB it is dear against the £8.23/GB typical for DDR4 today. Why medians, not averages ›
Cheaper per GB in the same spec
Same generation, capacity and form factor as this kit, ranked by £/GB. See all ›
EXACT-MATCH UPGRADE — 16GB (1X16GB) DDR4-2666 (PC4-21300), 2Rx8, 1.2V, CL19, 260-pin SODIMM. The memory your Synology or compatible NAS needs, matched to your unit so it's recognized in full and runs reliably.
VERIFIED FITMENT — The 260-pin SODIMM form factor for NAS units and compact systems that take laptop-style memory — not a desktop DIMM. Check your unit's supported memory and capacity before ordering.
REAL-WORLD SPEEDUP — More memory means smoother multitasking and more headroom for apps, containers, and concurrent connections — steadier performance when your NAS is under load.
CHECK YOUR CONFIG — NAS memory support varies by model. Check your unit's compatibility list and supported capacity in the manual or maker's spec page before purchase.
LIFETIME SUPPORT — Backed by a lifetime replacement warranty and free US-based technical support.