32GB (1X32GB) DDR4 2666MHz ECC SODIMM Compatible with Synology DS1821+ DS1621+ RS1221+ DS923+ DS723+ DS2419+II D4ES0-32G | PC4-21300 260-Pin 2Rx8 1.2V CL19 Memory NAS RAM

About this item

• THE RIGHT UPGRADE — 32GB (1X32GB) DDR4-2666 (PC4-21300), 2Rx8 ECC, 1.2V, CL19, 260-pin SODIMM. The ECC memory your Synology or compatible NAS is built for — matched to your system so it just works.
• FITS YOUR SYSTEM — Direct replacement for D4ES0-32G. A 260-pin ECC SODIMM for ECC-capable NAS and compact systems — not a desktop module. Check your NAS's supported memory before ordering, and reach out if you're not sure.
• BUILT FOR ALWAYS-ON — Error-correcting (ECC) memory helps catch and fix small errors automatically — the steady, always-on reliability a NAS needs for your files and backups.
• NOT SURE WHAT YOU NEED? — NAS memory support differs by model. Check your unit's compatibility list and supported capacity before ordering — or reach out and we'll help you find the right match.
• HERE TO HELP — Backed by a lifetime replacement warranty and friendly US-based support — a real person, whenever you need support.