Fixing link latency on Corsair Vengeance RGB DDR5 6400MHz?
Whenever I pushed past 300 km/h, weird horizontal tears would appear on the edges of the screen, which is a total nightmare for immersion. GPU-Z showed the memory controller was hitting 15ms - 28ms of abnormal latency during high-frequency bursts, causing the VRAM sync to drift. My first instinct was to enable V-Sync in the driver, but while the tearing stopped, the input lag spiked to over 45ms, which felt like driving on ice—completely unacceptable. I ended up flashing the motherboard to firmware version 2.15 and forced the memory controller into Gear 2 mode in the BIOS, while locking PCIe to Gen4. In follow-up tests, the data link stayed pinned at max speed and the tearing vanished even at 4K. I did have some flickering RGB lights after the update, but a fresh install of Corsair iCUE fixed that. RAM temps stayed between 52℃ - 58℃ with fans spinning at 1800 - 2100 RPM. 3DMark stress tests confirmed the link is rock steady, and the steering response feels instant now.
