The LG Internal GH22 Super Multi DVD rewriter is a high-quality internal DVD rewriter designed for use with PCs. With a form factor of 5.25 inches, this black unit features a cache of 2 MB and is capable of reading and writing DVD+RW formats. It is equipped with a 22X speed DVD rewriter function, making it a reliable choice for those looking to burn and rewrite their DVD discs efficiently. This product is an ideal option for individuals seeking a dependable and efficient DVD drive for their computer system.