The 100pc I bought recently were RICOHJPN R01.
I don't mind using 4x when not in a hurry and my burner likes these.
These will burn at 8x in the Benq 1620.
FYI...its 29.99 after rebates not 24.99
it was $24.99 when this was posted, so they just jack up $5. These are excellent media, not just burning at 8X, the quality is awesome, low PI on BenQ 1620 with the latest FW