Description✦ Name: 4K External Drive✦ Interface type: USB-C + TYPE-C✦ According to the installation method: no drive type (Except Windows 10)✦ Error correction function: Yes✦ Disc specifications: 12CM, 8CM✦ Read speed: maximum CD read speed 24X, maximum DVD read speed 8X✦ Burn speed: maximum CD burning speed 24X, maximum DVD burning speed 8X✦ Support operating system: WIN98/ME/2000/XP, VISATA, WIN7, WIN8, MAC OS8.6 or aboveFunction parameters: BD-ROM✦ Please check to see if this product supports the DVD/CD/BD-ROM format you want：✦ Read speed:BD-RE: 8XBD-R (SL, M-DISC): 12XBD-ROM: 12XBD-R (double layer): 8XBD-RE (Double Layer): 6XDVD-R (Double Layer): 12XBD-ROM double layer): 8X DVD-ROM (double layer): 12XDVD + R: 16XDVD -R: 16XDVD + RW: 12XDVD-RW: 12X BD-R (TL / QL): 6X DVD- ROM: 16X BD-RE (TL): 4X DVD + R (Double Layer): 12XDVD RAM: 5XCD-R: 48XCD-RW: 40XCD-ROM: 48X DVD + R (SL, M-DISC): 12X DVD video playback: 6X VCD playback: 24X AUDIO CD playback: 10X✦ Write speed:BD-R: 16X BD-RE (DL): 2XBD-R (LTH): 6XDVDRW: 6XBD-RE: 2X BD-RE (TL): 2XBD-R (TLQL): 6XDVD + R (Double Layer): 8XBD-R (Double Layer): 12X DVD -R (Double Layer): 8XDVD + R: 16X DVD-RAM: 5XBD-R (SL, M-DISC): 4X CD-R: 48XDVD-R: 16X CD-RW: 24XDVD + RW: 8X DVD + R (SL, M-DISC): 4XPackage Contents:1* drive1* English instructions