What's 2.5-inches wide, 7mm tall and silent as a whisper? Well, hopefully it's Hitachi's new CinemaStar hard drives. We know for certain that these platters of polarized bits will fit in your standard 2.5-inch drive bay, we'll just have to take the company at it's word (for now) on the silent bit. Three new families of disks just hit the market, the Z7K500, Z5K500 and budget-friendly C5K1000. The first two options are 7mm high, allowing them to slide nicely into small form factor PCs, DVRs and even laptops. Both top out at 500GB, but the Z7K ekes out better performa
