Today only, Newegg offers the Western Digital 2TB WD Green Serial ATA 6Gb/s 3.5" Internal Hard Drive, model no. WD20EZRX, for $82.99. Coupon code "TB1118GRN1" cuts it to $74.99. With free shipping, that's the lowest total price we could find by $7, although we saw it for $5 less in September. This drive purportedly consumes up to 40% less energy than standard mechanical drives. It features a 64MB cache.