RAM Upgrade TS-253b, TS-253Be, TS-453B, TS-453Be, TS-453BT3, TS-653B, TS-653Be

Qnap B series same a Synology DS918+ and other plus series use exactly the same CPU J3455 which support two RAM channels of max capacity 8GB each (16GB total). Max Memory (RAM) Upgrade for TS-253b, TS-253Be, TS-453B, TS-453Be, TS-453BT3, TS-653B, TS-653Be Series is up to 16GB in total. Quad-core CPU is powerful enough to handle virtual machines and web servers including databases. These things require much more RAM than Qnap upgrade allow you to. Then you are left with a dilemma to choose alternative NAS brand or use alternative RAM manufacturer. In further paragraphs, you will find how other upgraded their NAS and how you can do it yourself.


Qnap SO-DIMM RAM 4GB RAM-4GDR3L-SO-1600 4GB DDR3L SODIMM (for x51, x53, x63)

QNAP 4GB DDR3L-1600 204Pin RAM Module SODIMM

Applied Models

TS-253b, TS253Be, TS-453B, TS-453Be, TS-453BT3, TS653B, TS653Be

This NAS model is sold with 2GB/4GB/8GB RAM preinstalled. So official upgrade option is 2+4 = 6GB or 4+4=8GB. Unofficially it can be also 4+4=8GB or 4+8=12GB or 8+8=16GB.

iDomiX channel has actually physically tested 16GB upgrade with Synology NAS with the same CPU and RAM and proven that it works perfectly.

RAM location on TS-253B, TS-453B, TS-653B, TS-253Be, TS-453Be

RAM is easily accessible once you slide all drive bays out. Some other NAS series have RAM hidden under the metallic panels, but 53B series have RAM slots exposed for easy upgrade.


Customer Experience:

TS-253Be OWC 2x8GB 1867MHz ?

I had some spare RAM which I thought was 2x4GB OWC PC14900 DDR3 1867MHz SO-DIMM 204 Pin RAM. But it’s actually 2x8GB’s and the NAS is pperformingreally well. But I’m no technician so I went on the Google hunt to find out if this RAM will be ok, is there potential to damage the system?

The is no problem with OWS RAM. It is made just like the Qnap RAM. As long as CPU supports this frequency it will work just fine. I have seen people upgrading QNAP 4GB DDR3 1600MHz to 1867MHz and increasing the NAS performance.


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