... :50pcs /box1 years warranty3.Compatible with Models:Gateway Solo Series:400, 400SD, 400SD4, 400VTX, 405E, 405X, 400SD4, 450, 450ROG, 450SX4, 450SX4 ... , NX250X, NX550XL, NX550X, NX850, NX850X, NX850XLGATEWAY S Series: S-7200, S-7200C, S-7200N, S-7500, S-7500NGATEWAY 400 Series:400, 400S, 400SP, 400X, 400VTX, 400SX4, 400XL 400SD4 ...