- Allows your Dual RW drive to record at 4X on 4X compatible DVD+R media.
- Improves reading and writing performance and reliability.
- Reduces vibration noise for the discs with unbalance or eccentricity.
The firmware patch is meant for Sony models DRU-500A, DRU-500AX, DRX-500UX and DRX-500ULX.
More information: Sony/StorageSupport













