TechPowerUp reviewed the MSI GeForce RTX 4090 Suprim Liquid X
A quote from the article:
With their GeForce 40 Series, MSI is introducing a liquid cooling solution that's pre-filled and maintenance free. While other cards take up three or four slots in your system, the Suprim Liquid X is only dual-slot. Our review confirms: noise levels are fantastic, even the pump is inaudible in idle.MSI GeForce RTX 4090 Suprim Liquid X Review