Cooling your CPU has always been an important part of your PC. If you don’t properly dissipate the hot air from your CPU, it will overheat and eventually burn out from that damage. Depending on your use the stock cooler may be more than enough but when we’re talking performance and overclocking you are going to need more than just a small fan. This is where bigger, beefier coolers like the Antec Mercury 240 comes in. With its 240mm cooler and two included fans it’s going to keep your CPU cooler than a stock fan ever could.
Adding LEDs to liquid coolers has proved popular over the last couple of years and now Antec has joined in the fun with its Mercury 240 liquid cooler. It is not RGB though, but the pump LED can change between blue, green and red depending on the CPU temperature.
For its exterior Antec has made some cool and bold choices. Included in the box you’ll find the 240mm radiator with the round-shaped pump head. The radiator has nothing of particular interest. However the pump head is covered in a small rubber shroud around the outside edge, and the top of the head there is an inlaid white dome with some LEDs under it. It gets powered by a mini USB cable that terminates in a SATA end. The LED lights will react to the temperature of your CPU going from blue when it’s below 35 °C, green when it’s between 36 °C and 40 °C and red when it’s anywhere from 41 °C and up.
- Powerful pump delivers a water pressure of 2.3 meters high
- Ultra-efficient, PWM Radiator Fans
- Ceramic axis + Graphite bearings increase the operational lifespan of the Mercury series
- Temperature indicating LED lights to change according to CPU temperature≤35℃ Blue, 36-40℃ Green, ≧41℃ Red
- Tubing coated with Teflon for increased durability
Testing coolers involves taking a total of 4 temperature readings per cooler. First, we measure the idle temperature of the i7-4790K at stock speeds (turbo boost disabled), before measuring its temperature under load at stock speeds. Next, we overclock the CPU to 4.5GHz using a 1.3 Vcore, ensuring greater heat output. In its overclocked state we then measure the idle and load temperatures of the CPU again. The figures we present are temperature deltas – meaning we take each temperature reading and minus the ambient temperature from it. This allows us to test in an environment that is not temperature-controlled.
To ward off potential comments or questions, we know 4.5GHz using a 1.3 Vcore is not the ‘best’ overclock – this particular CPU could reach that frequency at closer to 1.25 on the Vcore, which is more efficient. That is not the point, however. We are trying to stress the coolers to see how they deal with excess heat … hence the higher than necessary Vcore.
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