PG27AQN with ULMB2 - what type of V-Sync should I be using to eliminate tearing?

[DFL91]

With a 4090 my frames are stable and I'm running the monitor at 240hz because I don't want to use DSC. But with ULMB2 you obviously can't use G-Sync at the same time. So, with Reflex on Ultra, do you just use regular V-Sync, adaptive V-Sync, or Fast V-Sync? Or maybe Scanline Sync with Rivatuner?

Just wondering which of these options would be best for lower input lag while also eliminating screen tearing.

[nuninho1980]

Regular vsync is best but ULMB2 should be enabled. If you want to enable G-Sync, you should enable Pulsar (but need newest firmware for your monitor).
You should use Reflex. Or you enable triple buffer (TB) for vsync required but TB may degrade or damage VRAM despite non-overclock speeds, if GPU usage isn't lower than 75%.

[twisterr]

i wonder the price difference, if they had used a QD backlight instead of red phosphor backlight