Filed under: StorageIt looks like Western Digital's hard drives are about to get a good deal denser, with the company now rolling out its first 3.5-inch WD Caviar drives based on 320GB-per-platter technology. That, as the company points out, is the very same areal density seen recently in WD's 160 GB-per-platter 2.5-inch Scorpio drives, which topped out with a total of 320GB of storage due to the obvious size constraints. While the 3.5-inch drives have plenty more room to grow than their smaller counterparts, Western Digital seems to be starting things out slow, with only a single-p
