Overview Reviews Product Description 4GB DDR4 SO-DIMM ECC Unbuffered Memory Module from Synology. Unbuffered and utilizing error-correcting code (ECC), this 260-pin SO-DIMM provides 4GB of DDR4 RAM. The module is compatible with the Synology DS923+, DS723+ RS822RP+, RS822+, DS2422+ Product Videos Custom Field Product Reviews (No reviews yet) Write a Review Write a Review × Synology Synology 4GB DDR4 ECC Unbuffered SODIMM RAM Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name *Email *Review Subject *Comments