... best design, high performance. Specification: 1. Model:High class automatic 90W universal laptop adapter with LCD display2. USB port ... /F215V/Max90W6.3*3.0mmToshiba16V/F316V/Max90W5.5*2.5mmIBM 16V/F4 16V/Max90W6.5*4.4mm ... .8*1.7mmCompaq 19V/F6 19V/Max90W 5.5*2.5mmAcer, Compaq, Delta, HP,Fujitsu, Gateway, Toshiba ... .4mm pin)Samsung 19V/F8 19V/Max90W 5.5*2.1mmAcer, Compaq, Delta, HP,Fujitsu, Gateway, Toshiba ...