Ask questions via LiveChat and get help from our technical support engineers -
https://www.synology.com/en-global/company/contact_us

Original 1 Year Warranty By Synology Malaysia
1 To 1 Exchange for Warranty Claim within 7 Days of Purchase

Please check device compatibility before purchase

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 a 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.

DDR4 non-ECC Unbuffered SODIMM

Compatible Models
20 series: RS820RP+, RS820+, DS920+, DS720+, DS420+, DS220+
19 series: DS2419+, DS1819+, DVA3219
18 series: DS1618+