The Buffalo DVD Burner Portable USB Powered Windows & Mac DVSM-PT58U2VB is a black external drive that is compatible with Mac and features USB-powered functionality. It can write to CD-R, DVD+RW, and DVD+R formats at a speed of 8x. This sealed unit from Buffalo offers a convenient and reliable solution for burning and reading DVDs and CDs on both Windows and Mac computers. With its compact size and interface via USB, this portable DVD burner is a versatile and efficient tool for various media burning needs.