G-Technology offers its G-Technology 8TB G-RAID USB 3.0 G1 Removable Dual Drive Storage System for $549.95. Coupon code "GRAIDUSB8dn" cuts it to $399.99. With free shipping, that's $12 under last month's mention and the lowest price we could find by $130. Deal ends December 2. Features include: Dual removable Enterprise-class 7200 rpm hard drives RAID 0, 1, or JBOD up to 400MB/s transfer rate