... PA3283U-5ACA, PA3469U-1ACAThe laptop AC adapter will work with:Toshiba Portege Series650, 650CT, 660, 660CDT, 660CT, 600CT, 610 ... except M55-S139, M55-S139X, M55-S141 & M55-S1001), R10, R15Toshiba Satellite Pro Series440, 440CDT, 440CDX, 445CDT, 445CDX, ... 4320ZDVD, 4340, 4340ZDVD, 4360, 4360ZDVD, 6000, 6100, M10, M15Toshiba Tecra Series520, 520CDS, 520CDT, 530CDS, 530CDT, 550, 550CDT, 700, 700CS, ...