TigerDirect offers the WD Elements SE 500GB Portable USB 3.0 External Hard Drive in Black, model no. WDBPCK5000ABK-NESN, with Total Defense Premium Internet Security 5-User for Windows for $84.99. This $60 mail-in rebate cuts it to $24.99. With around $4 for shipping, that's $16 under our mention of the drive alone from three weeks ago and the lowest total price we could find for the pair by $19. Deal ends June 30.

Of note, the software must be activated before the rebate can be redeemed, which involves providing your credit card information. However, you can cancel the service at any time within the first year without any additional charges.