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TDK T78301 4x BD-R Media - 25 Pack Cakebox
on 24 April 2012
25GB TDK 4x BD-R, 25pk Spindle, Branded non-printable
Made in India
Lesson number one in optical media burning - learned the hard way by many who lost their precious data they thought safe - is to never believe that just because your favourite burning software says that a disc has been 'successfully burned', you actually have a good quality disc on your hands! This is far from being true, particularly nowadays when media quality is becoming a bit of a challenge, and even good brand names compromise on quality beyond acceptable limits. Unfortunately this media is one such example...
The only way of getting an accurate enough picture of how good a disc/burn actually is (at the consumer level / using consumer level tools), is to carry out a proper 'quality scan' using one of the BluRay drives capable of performing such scans (typically drives based on the Mediatek chipset which offer this capability). Those interested in such things can find lots of useful info at MyCE.
These TDK discs use a PHILIPR04 MID ... and they are of very poor quality. It is a pity that TDK have chosen not to use their own high quality TDKBLDRBB-000 MID and went instead for the cheaper and lower quality PHILIPR04 (Media ID). Unfortunately this choice of cheaper MID really shows. Some PHILIPR04 MID discs can be quite good (I had good experience with some KODAK branded 4x BD-R media in the past), but this new batch used by TDK are complete rubbish. They might as well be qualified as factory rejects which should go straight to the bin!
I've got several Blu-Ray burners and plenty of Blu-Ray burning experience, and I tested this media on all of them at both 4x and 2x (hoping for better quality). Quality scans performed on this media burned at rated speed (4x) with Pioneer BDR-205, Pioneer BDR-206M, LG BH10LS30 and LiteON iHBS-212 burners (all with latest firmware and all in top shape) are from very poor to disastrous. Burning these discs at 2x gives slightly better results, but still VERY poor. For those interested, quality scans have been performed using both the LiteON iHBS-212 burner (at 4x) and the LiteON iHES-208 combo drive (at 6x).
A good example of how a good brand name such as TDK, exploits its own brand name in order to sell poor quality 'value line' media (and presumably making a juicy profit in the process), instead of their normal high quality 'Made In Japan' TDK MID discs.
Pros: Absolutely none!
Cons: VERY poor quality media. This media is complete rubbish - do not trust it with your data, or you will live to regret it! Avoid at all costs!