Samsung CD RW/DVD Combo Drive for Q1 Mobile PC - AA-EB1U12B CD RW/DVD Combo Drive for Q1 Mobile PC Combo CD burner and DVD reader; writes CDs at 24x speeds USB 2.0 Plug and Play connectivity Note: This product is only compatible with these Part Numbers; NP-Q1-V000, NP-Q1-V002, NP-Q1BV000, NP-Q1-V004, NP-Q1-F000 Super-slim profile for easy portability Measures 9.3 by 7.4 inches and weighs just over 1 pound