Maxell MAX630025 CD Rewritable Media, CD-RW, 4x, 700 MB, 5 Pack High Speed CD-RW supports speeds from 4x to 12 x Offers a maximum write speed of 4x, recording time of 80 minutes and rewrites up to 1,000 times Offers random-access retrieval and revolutionary recording-layer technologies The rewriteable disk is as universal a format as the 3-1/2-inch floppy diskette, and has a data capacity so much greater it's almost laughable that computers still come equipped with a floppy drive The original obstacle of hefty price tags has long since gone by the wayside, as the price on this package of five disks attests Any lingering discontent about recording speed will now evaporate as well, as the Maxell CD-RW74-5HS disks are engineered to handle recent blazing rewrite speeds from 4X to 10X Unlike floppy discs, which must be purchased pre-formatted or individually formatted for your operating system, CD media is OS indifferent Recording film material - Phase Change Recording Material