Product Details Fangrui Product Details Hub Interface: 2 Usb2.0 Interfaces, 1 Sd Card Slot, 1 Tf Card Slot (up To 1tb Read Capacity) Interface: Usb3.0 (compatible With 2.0 And 1.0) + Type-c Interface Read: Cd-rom 24x, Dvd-rom 8x; Burn: Dvd+r 8x, Dvd-r 8x; Dvd+rw 8x, Dvd-rw 6x; Dvd+r9 6x (dl, Dual-layer, Plus Dual-layer 8.5g Recording), Dvd-r9 6x (dl, Dual-layer, Dual-layer 8.5g Recording), Dvd-ram 5x; Cd-r 24x, Cd-rw 24x. (full-featured, Reading And Burning Speeds Are The Highest Among External Optical Drives) Cache Size: 2mb Plug And Play Without Driver Installation (except Windows98se System) Support Windows98se/me/2000/xp/linux/for Macos/win7, Win8, Win10, Win11 Support Dos Startup (boot Xp And Other Operating Systems) Colour:black Material:abs Package Contents: 1 X External Cd/dvd Drive 1 Supply Cable Only The Above Package Content, Other Products Are Not Included. Note: Light Reflection And Different Displays May Cause The Color Of The Item In The Picture A Little Different From The Real Thing. The Measurement Allowed Error Is +/- 1-3