Feature: 1. Size And Read Speed: Internal tray loading DVD RW drive. 127 x 125mm / 5 x 4.9in exterior size, 24x CD, 8x DVD read speed, and 24x CD, 8x DVD write speed. 2. Support Systems: Replacement CD DVD writer has a wide range of system compatibility, supports for Win 98 XP 2000 7 8 10, for OS X, for Linux and other systems. 3. Compatible With Laptops: Replacement CD DVD recorder is compatible with for ACER laptops, etc, to meet your use needs. 4. Applications: Can be used to burn CDs and DVDs, play, read CDs and DVDs, must make sure the thickness matches your current drive before purchasing. 5. Premium Material: The CD DVD writer player drive shell is made of premium aluminum alloy, sturdy, dissipates heat faster and ensures reliable use. Specification: Item Type: Replacement CD DVD Recorder Material: Aluminum Alloy Burning Function: CD, DVD, VCD Compatible: For Acer . Package List: 1 x Replacement CD DVD Recorder Note: 1. Manual measurement, please allow some errors.2. Label change with batch does not affect function.3. Please note that the appearance of the product batch of different shells randomly shipped.