Newegg offers the QNAP 4-Bay Personal NAS Server, model no. TS-451+-2G-US, for $479.99. Coupon code "NEFPREC61" cuts it to $419. With free shipping, that's $61 under last month's mention and the lowest total price we've seen. (It's a current best by $51.) It features an Intel Celeron 2GHz quad-core processor, 2GB DDR3 RAM, DLNA, AirPlay, remote control, and HDMI.