B&H Photo-Video offers the Toshiba 5TB Serial ATA 6Gb/s Internal 3.5" Hard Drive, model no. PH3500U-1I72, for $139.99 with free shipping. (Amazon charges the same.) That's $5 under last month's mention and tied as the lowest total price we've seen. (It's also a current low by $5.) It runs at 7,200 rpm and features a 128MB cache.