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21 of 24 people found the following review helpful
on December 17, 2011
Size Name: 25 DiscsVerified Purchase
This is my third spindle of this brand. And The last two from ordered from other place are all perfect. But this time, I really felt like got some 'B stock'. I just used the last disc today. And out of all 25 discs, at least 10 of them failed.
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30 of 36 people found the following review helpful
on September 21, 2011
Size Name: 25 DiscsVerified Purchase
Was burning second disc in pack when writing stopped with error and could not continue. Inspecting the disc, I saw there was a visible defect (3 mm long) in the writing surface which had stopped the laser from writing. This prompted me to inspect the rest of the pack. Another disc had a visible bump looking like a fiber/dust had got in during the coating process. Half of the blanks were dirty.

The pack I received has ID Philip R04 000. Label does not indicate country of origin. If you browse for BD-R media, you will find that disc ID is no longer a definitive label of manufacturer any more. Apparently, for a while they were made in Netherlands (the good ones), beginning to be made in India, and now rumors are they may be contracted out to CMC Mag. Of course, all with the same ID.

Dye is dark blue and writes ok otherwise with a LG BH12 using ImgBurn. With such poor quality control I worry about their longevity. Will NOT buy another. I am very unhappy about the product.
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36 of 44 people found the following review helpful
on September 28, 2011
Size Name: 50 DiscsVerified Purchase
This is my first review. But for anyone looking to buy these BD-R discs, you should know that I have been buying these for some time now. I got a new shipment today and they are SUPER flimsy now. They feel thinner, and the dye is no longer purple. It looks like they cut back on quality. Also, they now say Optical Quantum "value" on the cover.

What a shame. I'm afraid to say that the new version of these are garbage now. They won't last as long, even if you don't get coasters. Good luck.
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8 of 8 people found the following review helpful
on May 14, 2012
Size Name: 25 DiscsVerified Purchase
I use ImgBurn software along with the LG Electronics WH12LS39K M-Disc 12X Internal SATA Blu-Ray Rewriter - OEM Bulk Burner Drive, and these Optical Quantums burn perfectly. I have Windows 7.

Are people burning these at too fast a rate? Don't go over 4x, even if your burner supports it! These media were meant to be burned at 4x. If you go higher, you risk making coasters ("coasters" meaning unusable discs that have been improperly written). I've burned around 6 or 7 out of the 25 pack and they've been flawless burns so far. If you're using Imgburn, make sure that under the tab "Device" that the write speed is set to "4x" and not automatic. I suspect that too-fast burns might be the issue for people making coasters.

In conclusion, I'd highly recommend Optical Quantum as a great value if you want some 25GB BD-R media. If you're computer savvy, or somewhat so, you shouldn't have a problem burning these properly. The packaging is simple and the discs can be written on using a standard Sharpie-type marker.
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25 of 31 people found the following review helpful
on February 26, 2011
Size Name: 25 DiscsVerified Purchase
These Quantum brand blank Blue Ray discs kinda suck with Nero and DVDFAB !! When I tryed to copy a BDMV movie file onto the disc, my BD burner has trouble writing to the disc. I now have about 5 or 6 blue ray coasters (bad discs) If and when i finally get the movie file on the disc my set top player does not notice there is A disc in there or if I can get it to play I just get A black screen. I might not be burning them right, 50%/50%, user error ? ****Updated**** I got the discs to work with ImageBurn, Only, Discs dont work as far as I can tell with any other programs. These discs do scratch very easy. The proticetive layer on them is really, really thin, I can't even tell if there is one. I guess you get what you pay for. Stick to name brands for coping any type of video with other video copying programs then Imgburn. I used A LG burner, Nero 10 express (I dont like this program) and a Sony set top player. Just use these discs with Image Burn and they should work fine.
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29 of 37 people found the following review helpful
on September 11, 2011
Size Name: 25 DiscsVerified Purchase
From a spindle of 25 "discs", 8 were found to be useable, the rest are "coasters".
1 Year old Dell 420 XPS, W7 Pro, 8gb RAM, New HP 12X BD/DVD/CD Burner bd340i, no other burner problems, just these discs.
No 3rd party application used for burning. Either BD image files or Data files were being burned to the disc by W7.
Problems were mainly "can't write to the disc" or "wrong disc speed".
Most of the time, a few tracks were burned and then the disc rejected.
I went through the stack of "coasters" a second time and recovered one.
Locally procured spindle of Memorex 25gb BD 4X discs are batting 100%, no coasters.
Of all the DVD and BD discs burned, these Opt Quant discs have been the ONLY rejects.
You need to be shipping a sympathy card with each spindle of these Optical Quantum "coasters", or list them with the party supplies.
I find the product unuseable and not recommended for purchase by any Amazon shoppers.
The rating should be zero stars vice one when considering the aggravation of sorting through bad discs.
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20 of 25 people found the following review helpful
on November 12, 2011
Size Name: 25 Discs
I'm not sure what changed, these disks used to work perfectly. Recently purchased 25 and they all failed, went to a local store and picked up memorex disks on the cheap and they all worked fine.
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25 of 32 people found the following review helpful
on August 26, 2011
Size Name: 50 DiscsVerified Purchase
This had what seemed like a good price for what the product was, but if over Half wont write correctly that value went out the window. Overall Not Worth It!
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20 of 25 people found the following review helpful
on March 2, 2011
Size Name: 25 DiscsVerified Purchase
I've already had some coasters in this set. Definitely not the best ones out there. They're usable, but I'll stick with a different brand next time.
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16 of 20 people found the following review helpful
on October 5, 2011
Size Name: 50 Discs
My goodness, I waste $45 and lot of time, this BD-R set is totally UNUSABLE, stay away at all cost. I'm going back to the Sony or TDK family.
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