Dell 7.4mm barrel connector
How to identify the Dell 7.4mm barrel and which laptops use it. Used on Dell laptops.
- Connector type
- Barrel
- Dimensions
- 7.4mm x 5.0mm, centre pin
- Brand scope
- Dell
- Charger wattages
- 65W · 90W · 130W · 240W
Don't confuse it with similar connectors
Dell laptops use more than one charger connector. The Dell 7.4mm barrel (7.4mm x 5.0mm, centre pin) is not interchangeable with:
Chargers that use the Dell 7.4mm barrel
| Charger | Wattage |
|---|---|
| Dell 65W 7.4mm Barrel Adapter | 65W |
| Dell 90W 7.4mm Barrel Adapter | 90W |
| Dell 130W 7.4mm Barrel Adapter | 130W |
| Dell 240W 7.4mm Barrel Adapter | 240W |
Laptops that use this connector
Frequently asked questions
How do I know if my laptop uses the Dell 7.4mm barrel?＋
Look at the plug that goes into your laptop. The Dell 7.4mm barrel measures 7.4mm x 5.0mm, centre pin and is used on Dell laptops. If you're not sure, photograph the charger tip or the laptop's power port and we'll identify it.
Is the Dell 7.4mm barrel the same as the Dell 4.5mm barrel?＋
No. The Dell 7.4mm barrel is 7.4mm x 5.0mm, centre pin, while the Dell 4.5mm barrel is 4.5mm x 3.0mm, centre pin. They look similar but are not interchangeable — using the wrong one won't fit or won't charge.
Related guides
Not sure which connector your laptop has? Photograph the charger tip or power port and we'll identify it.