![Synology D4NS01-4G Extended Memory for NAS [DDR4 ECC / 4GB / Synology NAS Only]](http://nasmarketplace.com/cdn/shop/files/d4es03.png?v=1750732884&width={width})
Synology DDR4 Memory Module
Always select authentic Synology memory modules from local distributors for optimum compatibility and reliability. Installation of non-Synology memory modules can lead to system instability or boot failures. Synology will not provide complete product warranty or technical support if non-Synology memory modules are used for memory expansion.
D4NS01-4G
DDR4 non-ECC Unbuffered SODIMM
