Fry's Electronics offers the Western Digital Green 6TB 3.5" Everyday Serial ATA 6Gb/s Internal Hard Drive, model no. WDBH2D0060HNC-NRSN, for $199 with free shipping. That's $21 under our mention from last month and the lowest total price we've seen. (It's also a current low by $36.) It features a 64MB cache.