QNAP and ZyXEL have buddied-up on a couple of specially-priced 10 GbE NAS bundles.
QNAP TS-870U-RP NAS and ZyXEL XGS1910-24 10G switch
The XGS1900 series include 24 and 48 port 10G Web smart switches (XGS1910-24/48). The XGS1910-24 (48) switch comes with 2 (4) enhanced small form-factor SFP+ ports for 10G uplinks and / or stacking.
Both NASes are powered by a 2.4 GHz dual-core Intel processor mated with 4 GB of DDR3 RAM that is expandable to 16 GB.