Today only, until 11 pm ET, Newegg offers the Western Digital 4TB Elements USB 3.0 External Hard Drive, model no. WDBWLG0040HBK-NESN, for $110.99. Coupon code "NAFBF14A" cuts it to $105.44. With free shipping, that's the lowest total price we've seen for a Western Digital 4TB USB 3.0 hard drive. (It's a current price low by $19, although most merchants charge $140 or more.) It features data transfers up to 5GB/s.