Specifications Interface: USB 2.0 Power supply: 5 V DC up to 1 A Maximum Read Speeds: 24x: CD-R, CD-RW, CD-ROM, CD-DA; 8x: DVD-ROM, DVD+/-R, DVD+/-RW, M-Disc; 6x: DVD-RAM; 4x: DVD-Video Maximum Write Speeds: 24x: CD-R, CD-RW; 8x: DVD+/-RW, DVD+/-R; 6x: DVD-RW, DVD+/-R DL; 5x: DVD-RAM; 4x: M-Disc Supports: CD-DA, CD-R, CD-RW, DVD+R, DVD+R DL, DVD+RW, DVD-R, DVD-R DL, DVD-RAM, DVD-ROM DL, DVD-RW, DVD-Video Supported disc diameter: 80 mm, 120 mm Dual Layer Media Supported: Yes Dimensions: 137.5 x 135.5 x 17.5 mm Net weight: 0.28 kg -- Optical drive mechanics contain refurbished elements -- System requirements Windows 10/11 Two free USB ports (one for extra power)