Operation Confirmation Commercial BD playback (single-sided, dual-layer): Good Commercial DVD playback (single-sided, dual-layer): Good Dubbing and playback from HDD to BD-R, BD-RE: Good Dubbing and playback from HDD to BD-RE DL: Good Dubbing and playback from HDD to BD-RE XL 100GB: Good Dubbing and playback from HDD to DVD-R: Good The above operations have been confirmed to work correctly. This is a fully functional, good-condition product that properly supports up to BD-RE XL 100GB. Price reduction not possible. Compatible models: DMR-BZT710 DMR-BZT810 DMR-BZT815 DMR-BZT9000 DMR-BZT910 DMR-BRT210 DMR-BWT510