Newegg offers the Western Digital 8TB My Book USB 3.0 External Hard Drive, model no. WDBFJK0080HBK-NESN, for $249. Coupon code "ESCFEGE33" cuts it to $224.99. With free shipping, that's the lowest total price we could find by $24. It features USB 3.0 and is compatible with Windows and Mac OS. Deal ends October 26.