Best RAM Upgrade for the QNAP TS-264 (2026 Guide)

RAM upgrade options for the TS-264

The TS-264 has one free SODIMM slot, so you are adding a single 8GB module to reach the 16GB ceiling.

Which should you pick

Why 16GB is the practical ceiling here, not a compromise

The TS-264 ships with 8GB of DDR4 and QNAP officially caps it at 16GB. That is not a marketing limit you can push past with the right module, it is what the board and chipset support, so there is no sense buying two 16GB sticks hoping for 32GB. One extra 8GB module, alongside the one already fitted, is the entire upgrade path.

For most home and small office use on this box, 16GB is plenty. The N5095 is a capable quad-core chip for Plex Pass or Jellyfin transcoding, and with QNAP's GPU driver package installed, Quick Sync handles hardware transcoding without leaning hard on RAM. Where the extra 8GB actually helps is running QTS itself more comfortably alongside a couple of containers or a second app like Photo Station, rather than making transcoding itself noticeably faster.

If your plan involves heavy multitasking, several VMs, or database-heavy apps, the TS-264 was never built for that ceiling of workload regardless of RAM, and you would be better served by a QNAP model with a higher supported maximum from the outset.

One thing to check before you buy