Can you upgrade the RAM in ASUSTOR AS5304T?
Upgrading the RAM
It's possible to upgrade the RAM inside the ASUSTOR AS5304T easily by removing all four drive bays, exposing the RAM module slots on the left-hand side. While one can purchase an official RAM module from ASUSTOR, which would match the pre-installed module, this would set you back double the cost of an 8GB RAM kit from Corsair.
The better route would be to extract the pre-installed 4GB module and store it away somewhere safe. Install our recommended 8GB kit from Corsair, and not only are you doubling the capacity of the NAS and saving money in the process, but you're also using slightly faster memory. A win all round.
Affordable and fast
Corsair makes some of the best RAM on the market for desktop PCs, and the company's SODIMM kit here is just as good with a fast rating, 8GB capacity, and affordable price tag.
Overpriced, but officially supported
If you prefer to use the only RAM specified and marketed by ASUSTOR to ensure compatibility, then there's no other option than the official ASUSTOR 4GB upgrade module. The only downside is the price.
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Rich Edmonds was formerly a Senior Editor of PC hardware at Windows Central, covering everything related to PC components and NAS. He's been involved in technology for more than a decade and knows a thing or two about the magic inside a PC chassis. You can follow him on Twitter at @RichEdmonds.