Best USB External Hard Drive Deals

Best Buy offers the Western Digital Easystore 4TB External USB 3.0 Hard Drive for $89.99 with free shipping. That's $10 under our mention from two days ago and tied as the lowest price we've seen. (It's also the best deal now by $20.) It features automatic backup and data transfer rates up to 5Gb/s. (It also includes a free Shutterfly Book or $20 gift voucher.)

Western Digital Store offers its refurbished Western Digital 3TB My Cloud NAS Server for $109.99. Coupon code "DNSEP17" drops the price to $99.99. With free shipping, that's the best deal we could find for a refurb now by $30 and the lowest price we've seen. (It's also $50 less than you'd pay for a new one.) It features Gigabit Ethernet, a USB 3.0 port, and WD SmartWare Pro backup software. Deal ends September 30.

Note: A 6-month Western Digital warranty applies.

Newegg offers the Seagate 4TB USB 3.0 Portable External Hard Drive for $104.99. Coupon code "EMCSRKRG3" cuts it to $94.99. With free shipping, that's $5 under our June mention and the best deal we've seen for this drive. (It's a low today by $13.) It features mobile backup via an app for both iOS and Android devices. Deal ends October 7.

Western Digital Store offers its refurbished Western Digital 3TB My Passport Ultra Portable USB 3.0 External Hard Drive in Wild Berry for $89.99. Coupon code "DNSEP17" cuts it to $74.99. With free shipping, that's $30 under the lowest price we could find for a new unit. Deal ends September 30.

Note: A 6-month Western Digital warranty applies.

Western Digital Store offers its Western Digital 6TB My Book USB 3.0 External Hard Drive for $159.99. Coupon code "DNSEP17" drops it to $149.99. With free shipping, that's the lowest total price we could find by $80. It features local and cloud backup and up to 5Gb/s data transfer speeds. Deal ends September 30.

Rakuten offers the Seagate Backup Plus 3TB USB 3.0 External Hard Drive for $74.99 with free shipping. That's the lowest price we could find now by $15. It features mobile backup via an app for both iOS and Android devices.

Western Digital offers the refurbished Western Digital 2TB My Passport for Mac USB 3.0 Portable External Hard Drive for $64.99. Coupon code "DNSEP17" cuts it to $59.99. With $3.99 for shipping, that's $31 under the price of a new one, although we saw it for $12 less last month. It features optional 256-bit AES hardware encryption, USB 3.0, and is compatible with Apple Time Machine. Deal ends September 30.

Note: A 6-month Western Digital warranty applies