Newegg offers the Western Digital 2TB Red NASware Serial ATA 6Gb/s 3.5" Internal Hard Drive, model no. WD20EFRX, for $89.99. Apply coupon code "VCO" and pay via Visa Checkout to cut it to $80.99. With free shipping, that's $17 under our March mention and the lowest total price we could find by $19. Designed for NAS systems, it features a 64MB cache. Deal ends August 25.
Note: This coupon can only be used once per account.