90W All-in-One AC Adapter Compatible with Dell Inspiron 7790 7700 7730 5490 5400 5410 5415 5420/5421 5430 5491 7710 7720 3280 3290 3477 3480.

One for Office GVKRLXZ 90W AC Adapter Compatible with Dell Inspiron All-in-One 3280 3290 3477 3480 5400 5410 5415 5420/5421 5430 5490 5491 7700 7710 7720 7730 7790 3277 One for Home Specifications AC input voltage: 100 ~ 240V 50 ~ 60 Hz, DC output: 19.5V ~ 4.62A 90W Power Adapter Compatible with dell ac adapter, Connector size: 4.5*3.0mm Tip (Also Compatible With 19.5V 3.34A 65W/19.5V 2.31 A 45W)