Tested and working great.The LG BH12LS35 Blu-ray Disc Rewriter is an internal desktop drive compatible with PC systems. With a form factor of 5.25 inches and a sleek black color, it offers fast write speeds of up to 12x for Blu-ray BD-R discs. This drive also has the capability to read Blu-ray BD-ROM discs and write DVD+RW media, making it versatile for various storage and media needs. The SATA I interface ensures reliable connectivity for efficient data transfer, making it a practical choice for those looking to expand their desktop's optical drive capabilities.