Ritek Ridata BD-RE-252-RD-JC 25GB 2X Speed Single Sided Single Layer Rewritable Blu-ray 2X Disc - Jewel Case (Discontinued by Manufacturer) BD-RE format, 25 GB, re-writable Blu-Ray disc 405mm recording wavelength Great for recording hi-def HDTV programs 120 mm standard format 130 min