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Older systems had to be shut down before replacing or installing system modules. The standard interface for SATA is the advanced host controller interface AHCI , which includes innovative features such as hot swapping and native command queuing.
NCQ enables several commands to be rescheduled and permits the host to send more commands to the hard disk drive while searching data for another command. NCQ also allows the drive to transfer data using direct memory access operations without interference from the CPU. By: Brad Rudisail Contributor. By: Kaushik Pal Contributor. By: Leah Zitter Contributor. Dictionary Dictionary Term of the Day. Decentralized Finance. Techopedia Terms. Cables are very thin with small 7-pin connectors.
They can be up to 3 feet 1 meter in length, and are easily routed to stay out of the way allowing maximum airflow inside the case. Setup is greatly simplified, and the technology even allows hot-swapping, meaning drives can be removed or added while the computer is running.
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