Synology D4ES01-8G
Refresh NAS performance with the 8GB D4ES01-8G ECC DDR4 SO-DIMM Memory Module from Synology. Unbuffered and utilizing error-correcting code (ECC), this 260-pin SO-DIMM provides 8GB of DDR4 RAM. The D4ES01-8G module is compatible with Synology 21-Series NAS arrays, including the DS1821+, DS1621xs+, and DS1621+.