NCIX offers the Seagate 4TB Barracuda Serial ATA 6Gb/s Internal Hard Drive, model no. ST4000DM000, for $149.99 with free shipping ($0.04/GB). That's the second-best price we've seen for a 4TB SATA 6Gbps hard drive; we saw it for $10 less a month ago. (It's a current price low by $18.) It runs at 5900 rpm and features a 64MB cache. Deal ends July 10.