Western Digital 6TB My Book Studio Edition II Quad Interface External Hard Drive from B&H $409 USD Delivered
This was posted 4 months 25 days ago, and might be an out-dated deal
B&H Photo-Video offers the Western Digital 6TB My Book Studio Edition II eSATA / FireWire 800 / USB 2.0 External Hard Drive in White, model no. WDH2Q60000N, for $339 with $70 shipping ($0.06/GB). That's $10 under last week's mention and the least expensive 6TB quad-interface external hard drive we've (dealnews) seen. (It's a current price low for this model by $36.) This system features two 3TB drives, a capacity gauge, and RAID support. Although formatted for Macs, it can easily be reformatted for a PC.
Next cheapest is The Apple Store - $580 shipped.
Officeworks has it for $649.
Rated 7/10 on Cnet