1. 4x writing speed for DVD-R media are supported.

2. This version is for testing ONLY.

3. Only available for dual firmware (B3x7 series) drive, not available for DW800A (B2x7 series) drive.

- 4x DVD-R Media Support List:

1 TY 4x
2 CMC 4x
3 MKM 4x
4 Ritek 4x
5 SONY 4x
6 MBI 4x
7 TDK 4x
8 Prodisc 4x
9 Mexell 4x
10 Infodisc 4x
11 Princo 4x
12 Fujifilm 4x
13 GST 4x

B3D7