Test Environment:

IOMEGA DVD+R 4X (MCC 002)
BENQ DVD DW1620(firmware:B7T9)
overburn to 8X

Result:

General Information
Drive: BENQ DVD DD DW1620
Firmware: B7T9
Disc: DVD+R (MCC 002)
Selected speed: Maximum
PI errors
Maximum: 306
Average: 64.11
Total: 882552
PI failures
Maximum: 18
Average: 1.07
Total: 11380
PO failures: 0
Jitter
Maximum: 11.6 %
Average: 9.49 %
Scanning statistics
Elapsed time: 9:17
Number of samples: 16612
Average scanning interval: 8.01 ECC
Glitches removed: 0