Power
DC Barrel 5.5/2.1mm
PowerFamily
Power
Form Factor
Cylindrical barrel
Pin Count
2
Year
1960
Common barrel-style power connector for routers, monitors, and small electronics. The 5.5mm outer / 2.1mm inner pin is the most widespread size but not standardized across brands.
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Specifications
Compatible Cables
Compatibility
| Connect To | Compatible | Adapter | |
|---|---|---|---|
| HDMI Type-C (Mini) | No | — | Details → |
| M.2 (M-key) | No | — | Details → |
| S/PDIF Coaxial | No | — | Details → |
| MagSafe | No | — | Details → |
| IEC C13/C14 | No | — | Details → |
| IEC C5/C6 (Cloverleaf) | No | — | Details → |
| UK BS 1363 | No | — | Details → |
| DVI-I | No | — | Details → |
| FireWire 800 (9-pin) | No | — | Details → |
| Centronics 36-pin | No | — | Details → |
| eSATA | No | — | Details → |
| SATA Power | No | — | Details → |
| MIDI DIN | No | — | Details → |
| HDMI Type-D (Micro) | No | — | Details → |
| USB Type-A | No | — | Details → |
| USB Type-B | No | — | Details → |
| DisplayPort (Full-Size) | No | — | Details → |
| 2.5mm TS | No | — | Details → |
| RJ11 | No | — | Details → |
| USB Type-B SuperSpeed | No | — | Details → |