If these are the same as what I purchased a few weeks ago, the media code is "MEDIAID001". They write at 4x in my Benq 1620, and at 8x in my Nec 2500 (with Herries 107V2B5 firmware), and at 8x in my Nec 3500 with the latest Liggy/Dee beta firmware.
A transfer rate test falls off rather dramatically towards the end. CDSpeed Disc Quality Test will fail (error) on the Benq 1620. My Liteon 1213@1633 will complete a kprobe test, and the results are within acceptable limits, although not pretty. The main thing is that movies recorded on these discs will play perfectly on all 4 of my settop players.
I paid $19.99 for 100 with free shipping, and was impressed enough that I went back and bought another 100.
Here is a kprobe scan of one I recorded at 8x on my Nec 3500 with the Liggy/Dee beta firmware.