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.
Notes:
* It is required to use D4RD-2666-16G with identical memory modules of the same capacity and frequency. For more information, visit here.
* Installing memory modules with differing capacities is not recommended. Check the Hardware Installation Guide of your Synology product for recommended memory configurations.
* Installing memory modules with differing capacities is not recommended. Check the Hardware Installation Guide of your Synology product for recommended memory configurations.
* Installing memory modules with differing capacities is not recommended. Check the Hardware Installation Guide of your Synology product for recommended memory configurations.
* Installing memory modules with differing capacities is not recommended. Check the Hardware Installation Guide of your Synology product for recommended memory configurations.
* RS820+/RS820RP+ does not support the ECC feature, regardless of whether the expansion memory is ECC or non-ECC.
* Minimum DSM version requirement: 6.2.2
* To install this memory module on RS4017xs+, please make sure your Synology NAS runs on DSM 6.2.2-24922-6 or above.