Ridata Mini DVD-R 4X Media 50 pack (Discontinued by Manufacturer) Media Type: Mini DVD-R, Blank Mini DVD-Recordable Media A single-side DVD-R disc can store up to 1.46GB. Information on the DVD-R is permanently recorded (write-once) and cannot be altered or erased. The DVD-R provides an archival life span of over 100 years. Disc Diameter: 3 1/8" (80mm)