A hard disk is a medium used by a computer to store data. Hard disk is divided into a common PC and a server. With the popularity of high-speed solid-state drives, hard disk interface is also different, then there are several types of desktop hard disk interfaces?
Nowadays, many computer users are popular to upgrade hard drives to increase the speed of computers. But not all computers are suitable for upgrading hard drives, because SSD solid state drives require SATA3.0 interface motherboards, while some older computers and motherboard hard disk interfaces are too old to be upgraded. Knowing the type of desktop hard drive interface, you can confirm that the computer is suitable for hard drive upgrade or not.
Hard disk interface is the connection between hard disk and host system. It is used to transfer data between the hard disk cache and the host memory. Different hard disk interfaces determine the connection speed between the hard disk and the computer. In the whole system, the advantages and disadvantages of the hard disk interface directly affect the running speed of the program and the performance of the system.
From a holistic point of view, desktop hard disk interfaces are divided into IDE, SATA, SCSI, Fibre Channel and SAS. IDE interface hard disks are mostly used in household products, and some are also used in servers. SCSI interface hard disks are mainly used in the server market. And Fibre Channel is only expensive on high-end servers. SATA is a new type of desktop hard drive interface.
The desktop hard disk interface mainly has two types of IDE and SATA, and the current desktop hard disk interface adopts SATA interface, and the SATA interface is divided into SATA2.0 and SATA3.0, wherein the maximum transmission speed of SATA2.0 is 300M/s, and The maximum transfer rate of SATA3.0 is 600M/s. Today, SSDs use SATA3.0 interface, and many ordinary mechanical hard drives have begun to adopt SATA3.0 interface. As long as some of the smaller capacity, the lower-priced mechanical hard disk still uses SATA2.0 interface.
One: IDE interface hard disk
The English name of the IDE is called "Integrated Drive Electronics", which is the "electronic integrated drive". It is intended to refer to the hard disk drive that integrates the "hard disk controller" with the "disk". This type of desktop hard disk interface has been slow to transmit data and has been withdrawn from the market.
Two: SCSI interface hard disk
SCSI English is called "Small Computer System Interface" (small computer system interface), which is a completely different interface from IDE (ATA). IDE interface is the standard interface of ordinary PC, and SCSI is not an interface specially designed for hard disk. A high-speed data transmission technology widely used in small computers.
Three: SATA interface hard disk
The hard disk using SATA (Serial ATA) port is also called the serial port hard disk. It is the mainstream hard disk now. The notebook and desktop computers use this interface, and the solid state hard disk also uses the interface.
Four: SAS interface hard disk
Serial Attached SCSI (SAS) is the same as SATA hard drives. It uses serial technology to achieve higher transmission speeds and improves internal space by shortening the connection lines. SAS interface technology is backward compatible with SATA. The SAS interface hard disk is generally used on the server.
Five: Fibre Channel interface hard disk
The English spelling of Fibre Channel is Fibre Channel. Like SCSI interface, Fibre Channel is not originally designed as an interface technology for hard disk design. It is specially designed for network systems, but it is gradually applied to hard disk systems as the storage system demands speed.