Upgrade the memory of a supported Synology server with the genuine D4NS01-4G 4GB DDR4 non-ECC Unbuffered SODIMM module. Purpose-designed memory helps maintain predictable compatibility and reliability for file services, data protection and other supported workloads.
Compatibility and ordering note: Selected supported models include: FS200T; DS425+, DS225+, DS224+, DS423+ and selected 25-series DS models. Confirm the exact system model, memory population rules and firmware requirements against Synology’s compatibility list; mixed modules may not be supported.