Compatibility Synology DiskStation DS1819+. Synology DiskStation DS1821+. OWC 32GB (2x16GB) DDR4 PC4-21300 2666MHz ECC. Capacity 32GB (2x16GB) Form Factor 260-PIN SODIMM. COMPATIBLE PART NUMBERS: Synology D4ECSO-2666-16G, D4ES01-16G.
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