Wheres the L/H Switch, and What Is It For?
L/H stands for “Low/High,” and it controls the maximum fan speed.
The switch is somewhat hard to reach, especially when the cooler is already installed.
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High Mode Is Cooler, but Should You Make the Switch?
The difference between the low and high maximum speeds is substantial.
The fan spins up to around 2,000 RPM at low and 2,800 RPM at high.
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Also, if you’re anoverclocker, you’ll appreciate the extra cooling headroom in high mode.
That’s why I’d go as far as to label high mode as an overclocking feature for enthusiasts.
And it rivals many decent aftermarket coolers when the fan is in high mode.
A fan curve tells a fan how fast it should spin and at which speed.
you’ve got the option to do this inyour computer’s BIOSor by usinga program like SpeedFan.
