1. J

    External Hard Drive, 5400 vs 7200 RPM

    I'm looking at two external hard drives: WD My Passport Ultra, 1TB, 5,400 rpm, 4.33 x 3.21 x 0.62 G-Tech G-Drive slim, 500GB, 7,200 rpm, 5.08 x 3.23 x 0.39 I understand that transfer rate is a function not merely of rotational speed, but of platter density as well, which is affected by...