This content has been automatically translated from Ukrainian.
AHCI (Advanced Host Controller Interface) is a data transfer interface between the operating system and a data store (for example, a hard disk or a solid-state drive) on a computer. AHCI provides fast and efficient data transfer, and supports various functions such as hot device replacement and power saving settings.
The main features of AHCI include:
- Hardware implementation independence: AHCI allows the operating system to interact with the data warehouse directly, regardless of the specific hardware used. This makes AHCI more versatile and simplifies support for different types of data stores.
- Hot Replacement Support: AHCI allows you to connect and disconnect SATA devices without restarting your computer. This means that you can connect or disconnect a hard drive or other SATA device while the system is running, allowing you to conveniently maintain the hardware.
- Support for power saving settings: AHCI has the ability to manage power saving of connected devices. For example, you can set your hard drive to sleep when not in use to reduce energy consumption.
AHCI is the standard of the SATA interface and is usually used to connect hard drives and solid-state drives. However, AHCI does not support some advanced features that are available in newer technologies, such as NVMe (Non-Volatile Memory Express). NVMe is a faster and more productive interface specially designed for SSDs using flash memory.
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