Advanced technology attachment (ATA) is an interface standard for connecting storage devices in computers. ATA is often referred to as parallel ATA (or PATA).
Integrated drive electronics (IDE) is the integration of the controller and the hard drive itself, which allows the drive to connect directly to the motherboard or controller. IDE is also known as ATA.
Serial ATA (SATA) is used to connect host bus adapters to mass storage devices. Designed to replace PATA, it offers several advantages over its predecessor, including reduced cable size, lower cost, native hot swapping, faster throughput, and more efficient data transfer.
Small computer system interface (SCSI) is a set of standard electronic interfaces accredited by the American National Standards Institute (ANSI) for connecting and transferring data between computers and storage devices.
SCSI is faster and more flexible than earlier transfer interfaces. It uses a bus interface type, and every device in the chain requires a unique ID.
Serial attached SCSI (SAS) is a data transfer technology that was designed to replace SCSI and to transfer data to and from storage devices. SAS is backward compatible with SATA drives.
Fibre Channel is a high-speed network technology used in storage networking. Fibre Channel is well suited to connect servers to a shared storage device such as a storage area network (SAN) due to its high-speed transfer rate of up to 16 gigabits per second.
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