For its newsletter subscribers only, newegg offers the Seagate 2TB Expansion Desktop USB 3.0 External Hard Drive, model no. STBV2000100, for $99.99. Coupon code "EMCXLWX44" cuts it to $79.99. With free shipping, that's $0.04/GB, tied with our June mention, and the lowest total price we could find by $5, although we saw it for $8 less in May. This 2.3-lb. drive features plug n' play functionality and built-in power management. Deal ends September 11.