SONY 50GB Re-writable Disc for XDCAM, 2.4x speed, ideal for professional use. - Brand: SONY - Model Name: PFD50DLA - Capacity: 50GB - Type: Re-writable - Speed: 2.4x - Application: Professional Disc - Format: DL - Quantity: 10 discs Thank you for viewing. They are still usable, but they are used items, so please understand this before purchasing. Thank you for viewing. These were used previously. They have been formatted. The number of write cycles is about 1 to several times. Some discs have label maker residue.