The HL Data Storage GH40F Internal SATA DVD Rewriter is a reliable and tested working Blu-ray Disc Rewriter designed for desktop PCs. With a 5.25" form factor and black color, this unit from Hitachi-LG Data Storage offers features such as Buffer Underrun Protection and a write speed of BD 5x. It is compatible with various writable formats including DVD±R/RW, CD-R/RW, BD-R, BD-RE, and DVD-RAM, making it a versatile and efficient option for your storage needs.Super Multi DVD/CD Rewriter (supporting CD-R/RW, DVD±R/RW, DVD-RAM, and LabelFlash technology). It cannot read or write Blu-Ray discs.