This is Ritek 8x dvd+R media. It comes in a spindle of 10 pcs.

Ritek 8x dvd+R Ritek X Series 8X DVD+/  R and 2.4X DVD+R DL Optical Media Review

As you see, it is under RicohJPN02 media code. As we call it as Ricoh oem.

dvdinfo 8x+R Ritek X Series 8X DVD+/  R and 2.4X DVD+R DL Optical Media Review

The dvd writer use in the test is TDK 1616N with the firmware v2.C7 & Nero 6.3.1.20.
As you can see this media can burn at 12x on TDK 1616N drive.
It took 7 mins 26 secs to complete burning at 12x with 4465mb of data.

 Ritek X Series 8X DVD+/  R and 2.4X DVD+R DL Optical Media Review

The Kprobe show the PI & PO result burning at 12x.
PI = 73.38 & PO = 0.38 (quite good result)

 Ritek X Series 8X DVD+/  R and 2.4X DVD+R DL Optical Media Review

The dvd writer use in the test is TDK 1616N with the firmware v2.C7 & Nero 6.3.1.25.
As you can see this media can burn at 8x on TDK 1616N drive.
It took 9 mins 50 secs to complete burning at 8x with 4465mb of data.

 Ritek X Series 8X DVD+/  R and 2.4X DVD+R DL Optical Media Review

The Kprobe show the PI & PO result burning at 8x.
PI = 37.31 & PO = 0.08 (good result)

 Ritek X Series 8X DVD+/  R and 2.4X DVD+R DL Optical Media Review

Overall this media is good. Produce good result on TDK 1616n drive.