SERIAL ATA CABLE 20" Inch Data Cable
20 inch Cables with 7 Pin Connectors.
Nice Short Cable so not alot extra flopping around inside case.

Features:

150/300/600 MByte/s data transfer Speeds

Hot-plugging capability

Two power saving modes: partial and slumber Overlapping (commands)

Tagged command queuing

Seven-wire data cable.

Connectors measure just 8 mm wide.

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Technical Information on SATA:

Lower voltage signal level: The level of voltage to the Serial ATA is of differential 500 mV , and it's more suitable for PC's technical request than that of 5 Volt Parallel ATA, and it can save more power as well.

Pin Pitch Advantage: Serial ATA connector includes a line of 7Pin signal terminal and a line of 15Pin power terminal. These two lines of terminals can be detached to the freestanding tie-in, therefore, it not only reduces its body size but also enlarges its trans-positional space.

Transferring Speed Advantage: Transferring speed of 150MB/s 300MB/s, and now it is striding forward to the speed of 600MB/s.
Additional information on Serial ATA