Asus X55A X54C X54H X55U X53U Series 8X DL DVD RW RAM Dual Layer Recorder 24X CD-R Burner 12.7mm SATA Slim Internal Optical Drive Replacement Condition: Brand New, never used, without original manufacturer packaging SATA interface, Tray-loading, 12.7mm in height, With Black Standard Bezel and eject button on the right. Compatible with other brands of laptops with 12.7mm SATA Tray-Loading Optical Drive Emergency Eject Hole Activity LED Enhanced-SATA model DVD+R DL support Hot Plug Play 2 MB buffer Writing Speed: 6x DVD+R DL (Double Layer) 4x DVD-R DL (Dual) 5x DVD-RAM 8x DVD+R 8x DVD-R 24x CD-R 8x DVD+RW 6x DVD-RW 24x CD-RW Reading Speed: 5x DVD-RAM 8x DVD+R 8x DVD-R 8x DVD-ROM