Amazon offers the Western Digital Caviar Black 4TB Serial ATA 6Gbps 3.5" Internal Hard Drive, model no. WD4001FAEX, for $298.06 with free shipping ($0.07/GB). That's $2 under our mention from two weeks ago and the lowest total price we could find by $28, outside of the mention below. Sales tax is added where applicable. This drive features a 64MB cache and runs at 7200 rpm.

For its newsletter subscribers only, newegg offers it for $299.99 via coupon code "EMCXWWN38" with free shipping. Deal ends today.