Serial Advanced Technology Attachment refers to the latest form of connection for storage devices like hard disks and optical drives. Data is transferred serially though the interface. The SATA stanŽdard has two versions: SATA 1.

which offers a maximum data transfer of 1.5 Gigabits per second. and the later SATA 2. which offers data transfer speeds of up to 3 Gigabits per second. Unlike PATA. each SATA channel can connect to only one device.

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