Synology RAM DDR4-2666 Non-ECC SO-DIMM 4GB (D4NESO-2666-4G)

Easy installation

Only purchased to maintain my 920+ warranty even though any other 4gb stick would work fine. Should be 50% of its current cost ($100~).

Four stars because of price, but other than that I have had no issues when using with DS220+. Rock solid

Bought for DS-920+ to run additional VMs.

And simple to install.

Decided 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.

The RAM chips that are actually soldered to the board are Samsung. Go with an 8GB stick of Samsung for compatibility and a lower cost. Get the M471A1K43CB1-CTD. Works great on my DS220+ and my DS720+. It tests out with Synology Assistant memory test, plus, theres no errors/nuisance warnings that youre not using a Synology branded stick of memory.

I 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.

This was a great buy I caught a sale

It is designed for the synology, I went with brand recommended