Pioneer DVR-1910 Internal DVD/CD Writer IDE/ATAPI 20X, Black Writes up to 20x on DVD-R/+R (single layer), up to 10x on DVD-R/+R(DL), up to 6x on DVD-RW, and up to 8x on DVD+RW media Writes up to 40x on CD-R media and up to 32x on CD-RW media ATAPI Interface 2MB Buffer memory