These hard drive enclosures enable a 1.8" to 2.5" SATA internal hard drive to be converted into an external USB hard drive unit. Externally, these enclosures feature a USB 2 connection with some also fitted with an eSATA port, allowing a direct plug and play link up to a computer. Note that some of these enclosures are powered via their USB connection, with others using an external power adaptor, check specifications of the individual product to confirm.
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