NAS/storage server 16 GB DDR4. 260-pin SO-DIMM 1 x 16 GB. ECC. 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.. Features. Compatible products. 25 series:DS1825+, DS1525+, DS925+. Backlight. No. ECC. Yes. Memory form factor. 260-pin SO-DIMM. Component for. NAS/storage server. Memory clock speed. 3200 MHz. Internal memory type. DDR4. Memory layout (modules x size). 1 x 16 GB. Internal memory. 16 GB. Buffered memory type. Unregistered (unbuffered). Other features. Export Control Classification Number (ECCN). EAR99