BD Write and ReWrite Tests - Nero CD Speed v4.53:
To test the BD writing performance of I-O DATA's new drive I used BD-R and BD-RE media from Memorex, Sony, TDK and Verbatim. To get the writing times, CD Speed's "Create Data Disc" feature was used. I also ran the discs through CD Speed's transfer rate test to make sure that the BRD-AM2B/U could read them back.
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The BRD-AM2B/U writes to BD-R and BD-RE at 2x. Looking at the screenshots above, you can see that it writes at this speed from start to finish.
| Manufacturer ID | Average Write Time |
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| Memorex BD-R | MEI T01 | 45:14 | Transfer Rate |
| Memorex BD-RE | MEI T01 | 45:15 | Transfer Rate |
| Sony BD-RE | SONY ES1 | 45:15 | Transfer Rate |
| TDK BD-R | TDKBLDRBA | 45:15 | Transfer Rate |
| TDK BD-RE | TDKBLDWBA | 45:15 | Transfer Rate |
| Verbatim BD-R | VERBATIMa | 45:11 | Transfer Rate |
| Verbaim BD-RE | VERBATIM0 | 45:18 | Transfer Rate |
As you can see, writing to BD-R and BD-RE media is not a speedy process. In all cases, it took more than 45 minutes to write an entire single layer disc.
Performance Revisited:
For the most part, I-O DATA's new Blu-ray Disc writer performed as expected. The BRD-AM2B/U worked well with all of the BD media we tried. However, it took a considerable amount of time to read and write an entire disc. Reading and writing to CD's and DVD's wasn't a problem for the drive either. Considering its specs, the BRD-AM2B/U turned in some good writing times and had no problems reaching its rated read speeds. Unfortunately, there were a few cases where the writing quality could have been better. With all of these things considered, I give the I-O DATA BRD-AM2B/U a 7 out of 10 for its performance.
