External Drive Enclosures
You don't have to buy an external hard drive; you can roll your own. External drive enclosures are an economical alternative to commercial external hard drives, which sometimes sell at a high premium over the cost of a bare hard drive. These enclosures, most of which cost $20 to $40, accept standard ATA or SATA drives and provide internal power and data connectors for the drive. They also include ATA-to-USB and/or ATA-to-FireWire interface circuitry and an external jack or cable by which the enclosure can be connected to a PC. Models that accept 2.5" notebook hard drives are powered by the USB cable (usually a USB Y-cable, which draws power from two USB ports) or a 6-wire FireWire cable. Models that accept 3.5" hard ...
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