Question 1

Does anyone by chance know the media I.D. of these discs?

Accepted Answer

vso inspector shows the media i.d.      cmcmag-ba5-00            (cmc magnetics corp.)  vso database shows a success rate on the discs as 94.3%  from personal experience i would put it at more like 99% - - - - - hope this helps

Question 2

has anyone tried to burn at a higher rate than 6X (as listed on the package)?  success/failures?

Accepted Answer

These discs (BD-R) can certainly burn at a faster rate than 6X, but as someone else and I have commented before, it IS NOT a really good idea to burn the Media faster than what it is rated for!!! While you can burn it faster, doing so can definitely cause burn errors and you will have bad discs, so that is up to you if you want to take that chance! Even thought I have 6X & 4X rated Media, I still burn them at their rated speed - I can burn them faster using my LG Burners, but I only end up saving 10 minutes at the most during the burn process. I back up my own Movies in case I lend them out, so that the original isn't damaged by someone's carelessness. When I back up the full space on a blank disc (23.3GB available), it takes around 15 minutes during the burn process for 6X media  - sure I can save some time by using a higher speed, but I would MUCH rather have a good burn instead of taking chances when using a higher than rated speed. I personally have had some bad burns going too fast on the burn rate & I have read MANY forums where others have stated the same problems.  Quit being in such a hurry and get quality burns at the rated speed, eh? You can use the FREE program Imgburn to set your burner's speed for the Media and the program will also find Firmware updates for your burner as well which is important for good quality, consistent burns.

Question 3

are these available in HTL

Accepted Answer

Already been answered but for those who like "trust but verify": As of May 2017, ImgBurn shows the following for these media:Recorded Mark Polarity: HTL

Question 4

Are these htl or lth?

Accepted Answer

From what I can tell these are HTL.  Optical Quantum does make Blu-ray disks that are LTH but they have the designation on the outside box and in the model number.  This item's model number: OQBDR06LT and an example LTH model number: OQBDRLTH06LT.  This is where I found the information: http://www.opticalquantum.com/Default.aspx  and, while the disks not marked LTH don't explicitly say HTL, I can be certain they are not LTH.

Unit Count	50.0 Count
Item Weight	2 Pounds
Media Speed	6x
Format	Blu-ray
Memory Storage Capacity	25 GB

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Optical Quantum OQBDR06LT-50 6X 25GB BD-R Single Layer Blu-Ray Recordable Blank Media Logo Top, 50-Disc Spindle

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