SATA is a computer bus interface that connects host bus adapters to mass storage devices such as hard disk drives, optical drives, and solid-state drives. Serial ATA succeeded the earlier Parallel ATA standard to become the predominant interface for storage devices
Serial ATA is a computer bus interface that connects host bus adapters to mass storage devices such as hard disk drives, optical drives, and solid-state drives.
That power usually comes in the form of a 4-pin Molex power connector with a drive specific connector. … A reader notes that you should “never use the Molex (4-pin) to SATA power adapter” because “most hard drives and solid state drives require the orange 3.3V wire to supply power for the drive electronics.
This host adapters and devices communicate via a high-speed serial cable over two pairs of conductors. In contrast, parallel ATA uses a 16-bit wide data bus with many additional support and control signals, all operating at a much lower frequency. To ensure backward compatibility with legacy ATA software and applications, SATA uses the same basic ATA and ATAPI command sets as legacy ATA devices.
SATA has replaced parallel ATA in consumer desktop and laptop computers; SATA’s market share in the desktop PC market was 99% in 2008.PATA has mostly been replaced by SATA for any use; with PATA in declining use in industrial and embedded applications that use CompactFlash (CF) storage, which was designed around the legacy PATA standard
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