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. For more information on memory upgrade limitations, visit here.
Products specifications
| Attribute name | Attribute value | 
|---|
| Country of Origin | Taiwan | 
| Harmonized System (HS) code | 84733020 | 
| Compatible products | SA series:SA3200D UC series:UC3200 21 series:RS3621xs+, RS3621RPxs, RS2821RP+, RS2421RP+, RS2421+ 19 series:RS1619xs+ 18 series:RS3618xs 17 series:RS4017xs+, RS3617xs+, RS3617RPxs | 
| Internal memory | 8 GB | 
| Internal memory type | DDR4 | 
| Memory clock speed | 2666 MHz | 
| Component for | PC/server | 
| Memory form factor | 288-pin DIMM | 
| ECC | Y | 
| Buffered memory type | Unregistered (unbuffered) | 
| Memory voltage | 1.2 V | 
| Memory layout (modules x size) | 1 x 8 GB |