Upgrade the memory of a supported Synology server with the genuine D4ER03-32G 32GB DDR4 ECC Registered DIMM 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: FS3420. Confirm the exact system model, memory population rules and firmware requirements against Synology’s compatibility list; mixed modules may not be supported.