1.2V DDR4 can operate safely up to 1.420V.
1.2V DDR4 can operate safely up to 1.420V.
You're concerned about running your Kingston HyperX fury DDR4 sticks at high voltages continuously. It's wise to be cautious with such settings. The one rated for 1.2V is designed for lower power, so pushing it to 1.42V could stress the components. Running them 24/7 might affect stability and longevity. Consider reducing the voltage or limiting usage to avoid potential damage. Check the specs carefully before proceeding.
Micron offers circuits that handle significant voltage variations, so I believe even at 8Gbps the voltage won’t affect performance. The only concern is the IMC which might fail above around 1.7V. It’s not safe to exceed 1.5V without cooling, as heat can destabilize components. RAM tolerates a wide range of voltages, but some don’t handle it well or need much higher levels before showing signs of wear. The die itself should remain stable regardless of voltage changes. Micron 8Gb rev and Samsung 8Gb die designs differ greatly—consider swapping dies if you want better reliability. You can still achieve high speeds (over 4000 MHz) even with less reliable ICs, though performance may be limited.