Plug (Male) | Socket (Female) | Name | Format/Use | Found On |
 |  | SATA Data (Serial ATA) 14mm x 3.5mm | Internal Hard Drive I/O Data Has largely replaced IDE cables for internal computer hard drive data access. | SATA Hard Disk Drives and PC Motherboards. (SATA 1, 2 & 3 compatible) |
 |  | SATA Power (Serial ATA) 24mm x 3.5mm | Internal Hard Drive Power Replaces 4-pin Molex connectors (below) on newer hard drives. | SATA Hard Disk Drives. (SATA 1, 2 & 3 compatible) |
 |  | eSATA (External Serial ATA) 14.5mm x 4.5mm | External Hard Drive Data I/O High speed data transmission (3Gb/s) for external devices. | External/Portable Hard Drives and HDD Caddies, etc. (SATA 1, 2 & 3 compatible) |
 |  | IDE (ATAPI) 54.5mm x 6mm | Internal Disk Drive Data I/O Max 133 MB/s data rate for optical and hard disc drives. | IDE Hard Drives, Floppy Drives, CD and DVD ROM Drives, PC Motherboards. |
 |  | Molex Power 21mm x 6.5mm | Internal PC Peripheral Power Ubiquitous power feed between PSUs and PC components. | Hard Disk Drives, Fan Controllers, DVD ROM Drives, etc. |
 |  | ROM Audio (Internal SP/DIF) 5mm x 2.5mm | Direct Digital Audio This cable facilitates music playback on ROM drives that don't feature Digital Audio Extraction. | Internal PC DVD- and CD-ROM Drives. |
 |  | Firewire 400 4-Pin (IEEE 1394b 4-Pin) 5.5mm x 3mm | Real-Time High-Speed Data Transfer Also known as i.LINK and Lynx, the Firewire standard is typically used on digital audio, digital video and data storage devices for PC and Apple computers. Potential speeds range between 400 and 3200 Mb/s. Plug types can be converted using adapters, and run at the rate of the slowest port capacity. | Apple Notebooks and Computers, Digital Video Cameras and Camcorders, Data Storage Devices and External Hard Drives. |
 |  | Firewire 400 6-Pin (IEEE 1394a 6-Pin) 11mm x 6mm |
 |  | Firewire 800 (IEEE 1394 9-Pin) 10mm x 7.5mm |
 |  | PS/2 (6-Pin Mini-DIN) 6mm x 8.5mm | Mouse and Keyboard I/O Now replaced by USB on new computers and laptops. | Personal Computers and other legacy PC peripherals including mice and keyboards. Don't confuse with visually similar S-Video ports. |