Shown below. Interestingly, it shows the original L0 Data Zone Capacity of 1,940,048 . I'll let LUK interpret what that means.
Also, in response to Blutach, I keep AnyDVD disabled except when needed. It has positively been disabled for the past few days.
HL-DT-ST DVDRAM GE20LU10 FE06 (USB)Current Profile: DVD+R DL Disc Information: Status: Complete Erasable: No Sessions: 1 Sectors: 3,828,352 Size: 7,840,464,896 bytes Time: 850:46:52 (MM:SS:FF) Supported Write Speeds: 2.4x, 4x DVD