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Common hard drive spare parts

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The computer hard drive is a widely used electronic storage media made of many components. These components work together to make the drive functional and are of two types: External components and Internal components. External hard drive components are called hard drive spare parts.


Hard drive has numerous spare parts, which are critical to run the drive. The type of hard drive spare parts may be different in various drives. The common spare parts of the hard drive are as below:


  • Disk Controller- It is a hard drive circuit that enables your computer processors to communicate with the hard drive. Earlier, disk controllers were identified by storage methods and data encoding methods.
  • Hard Drive Jumper- It is a small pin of plastic, which is used for converting the hard drive from Slave to Master and vise versa. Jumper is placed in a 6 pin slot. In modern hard drives, you can place one or more jumpers at a time.
  • Molex Connector- refers to a two-piece interconnection of pin and socket that is used as hard disk drive power connector. Such a connector provides the power supply to hard drive.
  • Data Interface Connector and Cable- Data Interface connector is used to connect data cable with hard drive. Most modern hard drives have one of the two interfaces- SCSI or ATA and its variations. The data interface cable is a hard drive cable used to transfer computer commands and data from CPU to hard drive and vise versa.

Under some circumstances, the hard drive spare parts might fail to work and drive becomes inaccessible. Such cases may lead to critical data loss and require hard drive recovery solutions to get your valuable data back. The data recovery firms, like Stellar, may help you in such cases to recover hard drive.


If the drive remains inaccessible even after replacing damaged spare parts, you need to use hard drive recovery applications. Stellar has hard drive recovery software for Windows, Mac OS X, UNIX, Linux, and Novell operating systems. These hard drive recovery tools methodically scan entire hard drive and safely recover lost data from it. The applications are read-only and quite easy to use, thus, allows hard drive recovery, even by novice.