This desktop SATA internal drive supports Blu-ray, DVD, and CD reading and writing. It is designed for high-density, secure computer data storage, including backup, high-definition video, photos, and more. Note: Model and serial number are for reference only and may vary by batch; specifications remain identical across units. Blu-ray playback requires third-party Blu-ray player software, which is not included and is not pre-installed with Windows. Free Blu-ray playback software (e.g., VLC) and free DVD burning software (e.g., Freemake) are available for download from the internet. Packing List (bulk pack): 1 x Internal Blu-ray combo drive Features: - Reads Blu-ray, DVD, and CD discs - Writes to DVD and CD media, including dual-layer discs - Plays back Blu-ray, DVD, and CD movies using a single drive - Compatible with standard ATX PC cases - Read support: CD-R, CD-RW, CD+G, DVD±R, DVD±RW, DVD-RAM, DVD±R DL, DVD-ROM, BD, BD-R, BD-RW, BD-R DL - Write support: CD-R, CD-RW, DVD-R, DVD±RW, DVD+R, DVD-RAM, DVD±R DL Specifications: - Interface: SATA - Read speed: 24x (CD) / 8x (DVD) / 6x (BD) - Write speed: 24x (CD) / 8x (DVD±R) - Rewrite speed: 16x (CD) / 6x (DVD-RW) / 8x (DVD+RW) / 5x (DVD-RAM) - Dimensions: 170 × 145 × 40 mm (6.69 × 5.70 × 1.57 inches)