Tech Bargains, 2014-10-29 18:30 EDT HGST Touro S 1TB USB 3.0 Portable Hard Drive $59.99 Free Shipping
Newegg Codes

Tech Bargains, 2014-10-28 19:00 EDT Matsunichi 1TB USB 3.0 Portable Hard Drive $49.99 Free Shipping
TigerDirect Codes

Tech Bargains, 2014-10-28 13:00 EDT WD My Passport Ultra 1TB USB 3.0 Portable Hard Drive (Black) $53.99
Newegg Codes

Tech Bargains, 2014-10-28 09:00 EDT TODAY ONLY Matsunichi 500GB USB 3.0 Portable External Hard Drive $29.99
TigerDirect Codes

Dealmac - Today's Edition, 2014-10-28 02:29 EDT Matsunichi 500GB USB 3.0 External Hard Drive for $30 + free shipping
As one of its daily deals, TigerDirect offers the Matsunichi 500GB Portable USB 3.0 External Hard Drive, model no. DM-256-BK-500GB, for $44.99. Coupon code "CKB145666" cuts the price to $29.99. With free shipping, that's $30 off list and tied with last week's mention as the lowest total price we could find. Deal ends today.

Tech Bargains, 2014-10-27 15:00 EDT Seagate Expansion 2TB USB 3.0 Portable Hard Drive $80.99 Free Shipping
Newegg Coupons

Tech Bargains, 2014-10-24 12:00 EDT Toshiba Canvio 1TB USB 3.0 Portable Hard Drive $44.99
Staples Coupons

Dealmac - Today's Edition, 2014-10-23 08:27 EDT Seagate 1TB USB 3.0 Portable Hard Drive 3-Pack for $150 + free shipping
Newegg offers the Seagate Backup Plus 1TB 2.5" USB 3.0 Portable Hard Drive 3-Pack in Black, model no. STBU1000100, for $149.99 with free shipping. At $49.99 per hard drive, that's the lowest total per-unit price we've seen for this model without rebate hassles. (It's also $39 under the best price we could find for purchasing three separately elsewhere.) These drives are compatible with Windows and Mac, they feature a USB 3.0 adapter and are backwards compatible with USB 2.0.

Tech Bargains, 2014-10-23 04:30 EDT TODAY ONLY 3x Seagate Backup Plus 1TB USB 3.0 Portable Hard Drive $149.99
Newegg Sales

Uberi, 2014-10-24 11:34 EDT Toshiba Canvio 1TB USB 3.0 Portable Hard Drive for $44.99 Shipped
Toshiba HDTC710XS3A1 Canvio 1TB USB 3.0 Portable Hard Drive for $44.99 shipped after coupon code 33466.  Here is a screenshot for your reference.  It features 5400RPM, 8MB cache, and USB 3.0 interface.  Most places have it for about $74.