These comprise of adapters, connectors, audio / video cables, Cisco cables, Bulk cables, gender changers, SCSI cables, fibre cables, GPIB Cables, PCMCIA Cables, Sun cables & telephone cables.

In modern personal computer, almost every peripheral device uses an adapter to communicate with system bus, for example:

• Display adapter, used to transmit signal to monitor.
• Universal Serial Bus (USB) adapters for printers, keyboards and mice, among others.
• Network adapter required to attach to any network.
• Host bus adapter, to connect hard disks or other storage.

Connectors are used for joining electrical circuits together:

• Audio and video connector are electrical connectors designed and used for audio frequencies
• Gender of connectors and fasteners are each of a pair of mating connectors or fasteners and is conventionally assigned the designation male or female
• Power connector is an electrical connector designed to carry a significant amount of electrical power, usually as DC or low-frequency AC
• RF connector is an electrical connector designed to work at radio frequencies in the multi-megahertz range.

 SCSI (pronounced sk-uh-zhee), is a set of standards for physically connecting and transferring data between computers and peripheral devices. SCSI is most commonly used for hard disks and tape drives, but it can connect a wide range of other devices, including scanners and CD drives.