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Plextor PX-B940SA 12x Blu-ray Disc Writer Review

Rating: 8.0.

Blu Ray writers are finally starting to come down in price and today we are reviewing the Plextor PX-B940SA drive. Plextor have been producing some of the finest drives on the market for the last decade and their optic quality has always been a primary selling point.

With HD-DVD resigned to the annals of history, BluRay as a platform is dominating the market.

Over the last few years Plextor have produced many great players. The PX-B940SA we are reviewing today is their first 12x BluRay drive. The technology in this unit is based around the Pioneer BDR-205 drive, but the PX-B940SA is capable of 12x BD-R, 12x BD-r DL and 2x BD-RE writing speeds with a maximum BD-ROM speed of 8x.

This Plextor PX-B940SA is also backwards compatible with all major DVD and CD formats and is supplied with a substantial 4MB buffer and a software suite from industry leader Cyberlink.

Plextor PX-B940SA 12x Blu-ray Disc ReWriter
BD-R Write Speeds 12x (CAV)
10x, 8x, 6x (P-CAV)
4x, 2x (CLV)
BD-R DL Write Speeds 12x (CAV)
10x, 8x, 6x (P-CAV)
4x, 2x (CLV)
BD-R LTH Write Speeds 6x (Z-CLV)

4x, 2x (CLV)

BD-RE Write Speeds 2x (CLV)
DVD+R Write Speeds 16x (CAV)
12x, 8x (P-CAV)
8x (Z-CLV)
6x, 4x, 2.4x (CLV)
DVD+RW Write Speeds 8x (Z-CLV)
6x, 4x, 2.4x (CLV)
DVD-R Write Speeds 16x (CAV)
12x, 8x (P-CAV)
8x (Z-CLV)
6x, 4x (CLV)
DVD-RW Write Speeds 6x, 4x, 2x (CLV)
DVD+R DL Write Speeds 8x (Z-CLV)
6x, 4x, 2.4x (CLV)
DVD-R DL Write Speeds 8x (Z-CLV)
6x, 4x, 2x (CLV)
DVD-RAM Write Speeds 5x, 3x, 2x (CLV)
CD Write Speeds 40x, 32x, 24x (P-CAV)
16x, 10x, 4x (CLV)
CD Rewrite Speeds 24x (Z-CLV)
16x, 10x, 4x (CLV)
BD Read Speeds 8x Max (BD-ROM Single Layer)
8x Max (BD-ROM Dual Layer)
8x Max (BD-R/RE)
8x Max (BD-R DL)
6x Max (BD-RE DL)
DVD Read Speeds 16x Max (DVD-ROM Single Layer)
12x Max (DVD-ROM Dual Layer)
16x Max (DVD±R)
12x Max (DVD±R DL)
12x Max (DVD±RW)
5x Max (DVD-RAM)
CD Read Speeds 48x Max (CD-ROM)
40x Max (CD-R)
24x Max (CD-RW)
DAE Speeds 40x Max
Buffer Size 4 MB
Access Times 280 ms (BD-ROM)
170 ms (DVD-ROM)
(DVD-RAM)
140 ms (CD)
CD Formats CD-DA
CD-ROM
CD-ROM XA
CD-R
CD-RW
CD-Extra
Photo CD
Video CD
CD Text
DVD Formats DVD-ROM
DVD-Video
DVD±R
DVD±RW
DVD±R DL
DVD-RAM
BD Formats BD-ROM
BD-R/RE
BD-R/RE DL
BD Recording Modes Sequential Recording (BD-R)
Random Recording (BD-RE)
DVD Recording Modes Disc At Once
Incremental Recording
Restricted Overwrite (DVD-RW)
Random Write (DVD+RW/DVD-RAM)
Layer Jump (DVD-R DL)
CD Recording Modes Disc At Once
Session At Once
Track At Once
Fixed and Variable Packet Writing

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  • Barry

    I always have been wondering about a blu ray burner, and if I really needed one. I keep buying hard drives for storage as they are so cheap now. Plextor make great products, this looks very good. price is a bit steep, thats 4TB of storage !

  • Nathan

    I have alwsys bought plextor. they cost more, but really worth it. they use the best components.

  • Garth

    I haven’t opted for a blu ray burner yet. the discs are still quite expensive, hard drive space is cheaper. Maybe someday I will.

  • Seth

    Id love one, but the disc prices still put me off. hard drives are so cheap right now. local store was selling a 2TB for only 60