Nero DiskSpeed 4: DVD+R DL

Source: Ahead Software

Nero DiskSpeed 4 tests a DVD+R DL rated to 12x. The program emulates a burn that would fill the disc with 8.5GB of data. This test is done by simply placing blank recording media into the burner and running the application.

DVD-R DL

DVD+R DL Media Benchmark Results
Optical Drive	Plextor PX-LB950UE	Lite-On iHAS524	Lite-On iHAS424
Media	DVD+R DL	DVD+R DL	DVD+R DL
Media Write Speed:	2.4x	2.40x	2.4x
Avg Speed:	5.76x	6.2x	6.20x
Start Speed:	3.42x	3.44x	3.44x
End Speed:	7.57x	8.26x	8.26x
Random Seek Time:	127ms	136ms	140ms
Interface Burst Rate:	32MB/s	41MB/s	41MB/s
Type	CAV	CAV	CAV

The Plextor PX-LB950UE is right on average when it comes to DVD+R DL media as well.

Nero DiskSpeed 4: BD-R

Source: Ahead Software

Nero DiskSpeed 4 tests a BD-R rated to 12x. The program emulates a burn that would fill the disc with 25GB of data. This test is done by simply placing blank recording media into the burner and running the application.

BD-R (Blu-ray recordable) Verbatim 6x BD-R test media

Easy Blu-ray Writer & Frustrating Blu-ray Movie Playback

From a performance standpoint the Plextor PX-LB950UE drive did well for itself by meeting all of its different recordable media speed ratings. There were a few hitches with writing, but PCSTATS is chalking that one up to a cheap USB 3.0 PCIe x1 add-on card. Subsequent BD-R write sessions over eSATA cable ran smoothly.

BD-R read performance was great. It's important to stress that you'll definitely want a quick computer with a massive amount of hard drive space and plenty of memory if you're thinking about burning BD-R 25GB media. The burning software typically caches all the data to memory before attempting the burn, so drive space is crucial.

Since the Plextor PX-LB950UE would not recognize the '10,000 BC' blu-ray movie PCSTATS uses for testing we're a little unsure how to ultimately gauge the Plextor PX-LB950UE 12x external blu-ray writer for Blu-ray movie watching. Plextor's PlexUtilities troubleshooting software was able to scan this Blu-ray movie disk and report back no defects.

The PX-LB950UE failed to recognize the movie we had on hand yet the Blu-ray disk was not damaged? I suspect a few readers will suggest using this DVD software or that, but in this case the movie didn't show up in Windows Explorer, indicating that the optical drive was the fault point. Why it wouldn't read a Blu-ray movie produced by Warner Brothers is not known.

Retailing for around $220, the Plextor PX-LB950UE is an easy way to add BD-R data archiving to just about any recent PC with an eSATA or USB 3.0 port and plenty of spare hard drive space. Plextor bundles this external Blu-ray reader with the tools to get the job done; Cyberlink's BD suite, as well as is own PlexUtilities software. The software has everything you need to read/write Blu-ray discs, burn CDs and DVDs, as well as a few utilities for creating CD labels.

By most measures this would be a great external Blu-ray writer, however because the Plextor PX-LB950UE failed to play a commercial Blu-ray movie PCSTATS cannot recommend this drive.

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