When last we spoke, I told you I've been comparing two iMacs. The first is the least expensive 21.5-inch iMac ($1,299) with a stock 1 terabyte 5,400-rpm hard disk. The second is identical except it's ...

Poor storage disk performance and slow disk speeds are some of the most common reasons your computer might feel sluggish. If ...

If you need to expand your Mac storage in a big way without breaking the bank, your best bet is with external hard drives.