PioData's white top CD-R discs are the only media made specifically to meet the specifications of the primary recording drives on the market today! When you're looking for recordable media that you can be certain will copy accurately and playback reliably, then PioData media using the top of the line AZO dye is your best option. Most recordable media today will degrade in quality and often the content will be lost in as little as 2 ~ 5 years. The PioData 52x blank media discs have been proven to retain all data stored on the disc for up to 50 years when handled and stored properly. AZO is a specialized dye that not only provide exceptional recording capabilities, it also maintains the integrity of the discs for years to come, so your precious memories, entertainment, important documents, or anything that you wish to hold for a long time will be safe and available when you need it.