My MSI RTX 4090 SUPRIM X had no coil whine sound, though. regrettably, it is dependent from just one asus tuf gaming geforce rtx 4090 test card to a different. But lots of TUF RTX 4090 cards emit some degree of coil whine sound, as reported by customers in different discussion boards. When I tested it in my test system, within an MSI MPG Velox 100