QNAP TS-451+ 4GB 4-Bay Intel Quad-Core CPU Personal Cloud NAS Media in Open Box 885022009039 | eBay
TS-451+ - Features | QNAP
TS-451+ | Hardware Specs | QNAP
Success! Adding 2 x 8GB RAM to my TS-451+. TrueNAS is running way better with the additional RAM. 8GB was enough just for basic file sharing but it did run into issues