2.5mm.

Acer Aspire: 1350Acer Ferrari: 3000, 3000LMi, 3200, 3400, 4000Acer Travelmate: 2700, 3200, 4400, 4402WLMI, 4500

ASUS: A2500H, A3 series (A3, A3G, A3H, A3V, A3VC, A3VP), Z91E

Dell Inspiron: 1000, 1200, 1300, 2200, B120, B130Dell Latitude: 110L, 120L

Packard Bell: Easynote L4 PB32S00101, C3205, C3223, C3227, C3255, C3265, C3300, C3302

Toshiba Satellite 1130/1135 Series: 1130-S155, 1130-S156,1135-S125, 1135-S155, 1135-S156, 1135-S1551, 1135-S1552, 1135-S1553, 1135-S1554Toshiba Satellite 2430/2435 Series: 2430-SB, 2430-S255, 2430-S256, 2435-S255, 2435-S256