BD Write and ReWrite Tests - Nero CD Speed v4.7.7.16:
To test the BD writing performance of LG's new drive I used BD-R, BD-R DL and BD-RE media from Moser Baer, 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 BH14NS40 could read them back.
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The BH14NS40 is the first drive from LG that can write to BD-R media at 14x. By looking at the screenshot above, you can see that LG's new drive starts writing at 6.75x and accelerates, reaching its maximum speed at the 17.5 GB mark. From there it drops back down to 13x and then accelerates, reaching 14x again at the end of the disc.
| LG BH14NS40 |
LG BH12LS38 |
Plextor PX-LB950UE |
Sony BWU-500S |
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| BD-R | 8:46 | 9:51 | 11:28 | 11:37 |
| BD-RE | 44:50 | 39:39 | 44:55 | 44:51 |
| BD-R DL | 21:55 | 21:43 | 31:29 | 33:00 |
The BH14NS40 performed very well when writing to BD-R media. It completed our tests in record time, beating even the BH12LS38 by more than a minute. LG's new drive didn't disappoint when writing to BD-R DL media either. Thanks to its 12x writing speed, the BH14NS40 took less than 22 minutes to burn 50GB worth of data.
| Manufacturer ID | Max Write Speed |
Write Time | ||
| Moser Baer 25GB 6x BD-R | MBI R06 | 10x | 11:23 | Transfer Rate |
| Sony 25GB 6x BD-R | SONY NN3 | 14x | 8:46 | Transfer Rate |
| Sony 50GB 6x BD-R DL | MEI RB1 | 12x | 21:55 | Transfer Rate |
| TDK 50GB 2x BD-RE DL | TDKBLDWfa | 2x | 89:32 | Transfer Rate |
| Verbatim 25GB 6x BD-R LTH | VERBATIMw | 6x | 16:06 | Transfer Rate |
| Verbatim 25GB 6x BD-R | VERBATIMe | 12x | 10:57 | Transfer Rate |
| Verbatim 25GB 2x BD-RE | VERBATIM0 | 2x | 44:50 | Transfer Rate |
The BH14NS40 completed our Blu-ray writing tests without any problems. The drive wrote to all of our test media at its rated speeds or better and, looking at the transfer rates, you can see that it had no problems reading the discs back.
Nevertheless, I should point out that if you want to write at 14x, you're going to need to use 6x BD-R media from Sony. Currently, this is the only BD-R disc that the BH14NS40 will write to at this speed.
Performance Revisited:
Like LG's previous Super Multi Blue drives, the BH14NS40 performed pretty well throughout most our tests. The drive flew through our BD writing tests, turning in some very impressive times with BD-R and BD-R DL media. Reading Blu-ray Discs wasn't a problem for the BH14NS40 either. The drive was able to read single layer BD-ROM's and BD-R discs at 12x and both BD-RE and BD-R DL media at 8x.
The BH14NS40 also did reasonably well in our CD and DVD read tests. Along with some fairly good seek times, the drive read CD's at speeds as high at 48x and single layer data DVD's and DVD±R media at 16x. When it came to writing CD's and DVD's, the BH14NS40 held its own throughout most of our tests and the writing quality was, for the most part, quite good. With all things considered, the LG BH14NS40 gets a solid 8 out of 10 for the performance section of this review.
