Newegg offers the QNAP 4-Bay Diskless System Network Storage, model no. TS-431, for $289.99. Coupon code "0428DYUGD21" cuts it to $219.99. With free shipping, that's $10 below our mention from three weeks ago and the lowest total price we've seen. (It's a current low by $70.) It features a Freescale ARM Cortex-A9 1.2GHz dual-core processor, three USB 3.0 ports, and access for four 3.5" or 2.5" SATA hard drives or SSDs. Deal ends May 4.