Der8auer converts $7,000 RTX 5090 Lightning Z to custom water cooling, drops temps by 11°C
The modified waterblock, once hooked up to the PC’s custom water-cooling loop, brought the operating temperature of the MSI RTX 5090 Lightning Z down from 64 degrees to around 53 degrees. That result was measured at 800W under full load, though der8auer believes it would hold up similarly even in…