Features: Brand: Ritek. Type: BD-R XL BDXL Triple Layer. Recording Type: Write-Once. Speed: 4XCapacity: 100GB (Single Sided Triple Layer). Surface: White Inkjet Hub Printable. A unique inorganic phase-change recording material with high sensitivity and high transmissivity enables the multi-layer structure. An extremely precise layer stacking technology ensures stable recording and playback with the multi-layer structure. Long-life design resists changes over time. High durability protects data from various situations. The inorganic recording material allows the Blu-ray Disc to withstand a minimum of 50 years of storage. Ritek "Tough Coat" protects against fingerprints, dust and scratches. Packing: Spindle or Cakebox *** Please refer to "BDXL Compatibility Guide" to ensure your Blu-ray burner/recorder compatible with BDXL. ***