This new cost-effective NAS for businesses has eight hot-swappable bays, up to 16 GB of memory, and uses a quad-core AnnapurnaLabs Alpine processor. It also features a hardware-accelerated encryption engine, SSD caching, and two built-in 10GbE SFP+ ports.
http://www.notebookcheck.net/QNAP-announces-TS-831X-quad-core-NAS.188015.0.html