





Synology RAM DDR4-2666 Non-ECC SO-DIMM 4GB (D4NESO-2666-4G)
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J. Cook
> 3 dayI dont do gaming, so I dont have an opinion about that, but this installed easily and my software for my NAS tells me it is performing as advertised. Synology OEM parts are a bit more expensive, but there dont seem to be any issues with them, whereas some other reviewers found some issues with parts from other providers.
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Dr. Mariana Block Sr.
> 3 daySynology says if you use any memory but theirs your Synology will blow up and no warranty.
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Pete Carstensen
> 3 dayWorked perfectly from the outset. I really dont stress my NAS but I wanted to ensure the best performance from the start. Got the Synology extended warranty so wanted to get a factory approved part.
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Mike
> 3 dayIt does what it is supposed to do. Just a bit expensive due to its Synology branding and certification. Other brands of this spec likely would have worked just as well for a lower cost.
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IVAN BERNALES
> 3 dayLA MEMORIA RAM DE 4GB, SE NOTA AL INCORPORLA EN LA NAS, FUE FACIL DE INSTALAR Y LOS ARCHIVOS PESADOS NO SE NOTAN AL PASAR DE UNA CARPETA A OTRA O AL VER UN VIDEO O PRESENTACION.
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Ry
> 3 dayOnly purchased to maintain my 920+ warranty even though any other 4gb stick would work fine. Should be 50% of its current cost ($100~).
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Joseph
Greater than one weekIt works, I now have 4 more GB of RAM in the NAS.
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Tom E.
> 3 dayDecided to go with the pricier memory from Synology because I decided the cost savings by choosing another memory chip brand wasnt worth it. I just want something that works perfectly.
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Ken Tue
08-06-2025Synology nas use.
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LMcgilZ
> 3 day$90 for a 4GB DDR4 ram chip!