It’s been some years since we last looked at a graphics card from Sapphire’s Toxic brand, but that changes today. Toxic is back, and it’s back with a bang, as we review the RX 6900 XT Toxic Limited Edition, featuring a 360mm all-in-one liquid cooler. Sapphire claims this is the fastest RX 6900 XT on the market, with a rated boost clock of 2660MHz when using the card’s ‘Toxic Boost’ mode. Let’s see if that claim holds true.