PsyKhiqZero :
Yep I believe he could manage that. What really drives temps up during an overclock is raises in voltage. @ 4.3 he prolly didn't have to raise his temps. You can try it if you want. But it's a bug. next thing you know you going to want to grab that 5.0 Ghz brass ring.
^Indeed. When I bought my PC, the cooler arrived late, so I wasn't able to OC very far. I was stubborn enough to try it anyway. 4.2GHz was no trouble, but when I pushed for 4.5GHz, the voltage had to go up. Temps soared into the high 90s and peaked at ~100°C.
The cooler seriously isn't good enough for major OCing but minor things like 4.0GHz or 4.2GHz should be okay as Haswell tends to run hotter than Ivy Bridge. Just keep a temp monitor in your system tray if your worried. (I use
Core Temp)
Just to let you know, temps don't often damage CPUs. It the heavy voltages used for long periods of time (especially with the new smaller technology, 32nm and 22nm in particular). CPUs are really tough and can withstand high temps for quite a while (~80°C), but people generally like to play it safe or want a quiet machine. I had and old P4 which would always be running at 70 - 90°C with an aftermarket cooler (not a heap better than the old one) and it did 8 years in a row, without any issues (other than over heating in the first few without the new cooler). This CPU still works today, being used for a server of various things (just for fun haha).
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