This desktop SATA internal drive is a Blu-ray combo drive with DVD and CD burning capabilities. It is designed for high-density, secure computer and data storage, including backups, high-definition movies, and photos. Note: Model number and serial number are for reference only and may vary by batch; specifications remain identical across units. Blu-ray playback requires compatible Blu-ray player software, which is not included and is not pre-installed in Windows. Free third-party software such as VLC Media Player (for Blu-ray playback) and Freemake Video Converter (for DVD burning) can be downloaded from the internet. Packing List (bulk pack): 1 x Internal Blu-ray Combo Drive Features: - Burns DVDs and CDs, including dual-layer discs - Reads Blu-ray, DVD, and CD media - Plays back Blu-ray, DVD, and CD movies in a single drive - Compatible with standard ATX PC cases - Supports reading: 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 - Supports burning: 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)