The Synology RAM module has been specifically designed to increase the memory capacity of selected DiskStation models. Since the corresponding models can accommodate an additional RAM module, the Synology RAM module is fully compatible and is recommended as a memory expansion kit.

Compatible models:
Series 20: RS820RP+, RS820+, DS920+, DS720+, DS420+, DS220+
Series 19: DS2419+, DS2419+II, DS1819+, DVA3219
Series 18: DS1618+.