Panasonic Dual-Layer 50GB Blu-Ray Disc, 50-Disc Spindle.

The Blu-Ray Disc (BD-R) is a native WORM (Write Once Read Many) media. It uses a laser beam to physically and non-reversibly alter the recording layer reflectivity, it is impossible to rewrite or tamper with the recorded data. That's why the Blu-Ray Disc (BD-R) is attracting attention as reliable digital evidence to meet the stricter information control for compliance with legal regulations that is demanded in today's digital society. Must be ordered in 200 piece lots priced per disc