Ending today, Newegg offers the Samsung D3 Station 4TB USB 3.0 Desktop External Hard Drive, model no. STSHX-D401TDB, for $109.99. Apply coupon code "VISACHECKOUT" and pay via Visa Checkout to drop the price to $98.99. With free shipping, that's $9 under last week's mention and the lowest total price we've seen. (It's also a current low by $45.) It features SafetyKey data protection.
Note: The coupon is limited to one use per account.