Newegg offers the Samsung D3 Station 4TB Portable USB 3.0 External Hard Drive, model no. STSHX-D401TDB, for $129.99 with free shipping. That's the lowest total price we could find by $27, although we saw it for $11 less last week. It features SafetyKey data protection.

Note: If you haven't yet, use Newegg's iPhone app and pay using Google Wallet to cut it further to $114.99. (This discount can only be used once per account.)