Dealnews - Editors' Choice, 2014-10-11 13:41 EDT Seagate 3TB USB 3.0 Desktop External Hard Drive for $90 + free shipping

Newegg offers the Seagate 3TB Backup Plus USB 3.0 Desktop External Hard Drive, model no. STDT3000100, for $129.99. Coupon code "EMCWPWW23" cuts it to $89.99. With free shipping, that's the lowest total price we could find by $30 and tied as the least expensive Seagate USB 3.0 3TB external hard drive we've seen. It features mobile backup and automatic photo saving from social networks. Deal ends October 12.

Dealmac - Most Popular Deals, 2014-10-10 00:57 EDT Seagate 2TB Portable USB 3.0 External Hard Drive for $75 + free shipping

TigerDirect via eBay offers the Seagate 2TB Expansion Portable USB 3.0 External Hard Drive, model no. STBX2000401, for $74.99 with free shipping, that's a buck under our mention from last week and the second lowest total price we've seen. (It's a current low by $6.) This drive is completely USB-powered.

Dealmac - Today's Edition, 2014-10-07 16:06 EDT Seagate 4TB USB 3.0 External Hard Drive for $117 + free shipping

Newegg offers the Seagate 4TB Expansion USB 3.0 External Hard Drive, model no. STBV4000100, for $129.99. Apply coupon code "VISACHECKOUT" and pay via Visa Checkout to drop it to $116.99. With free shipping, that's $8 below our mention from four days ago and the lowest total price we could find by $13.

Uberi, 2014-10-11 14:34 EDT Seagate STCA3000101 Backup Plus 3TB USB 3.0 External Hard Drive for $89.99 Shipped
Seagate STDT3000100 Backup Plus 3TB USB 3.0 External Hard Drive for $89.99 shipped after coupon code EMCWPWW23. Here is a screenshot for your reference. It uses SuperSpeed USB 3.0 port, which is backwards compatible with USB 2.0 for additional system compatibility.