14 July 2020, Comments: 2

 July 2020         Ian Chiu

You probably are here because someone told you a cooling pad is the fix to your laptop’s thermal throttling problem.  Most USB-powered laptop coolers employ one or more axial fans that blow cool air into the intake vents located on the underside of a laptop.  In most cases, they work particularly well for laptops often under heavy load and keep the CPU and GPU inside from throttling.

However, if the placement of the heat exhausts are at the bottom of a laptop, the same coolers won’t work as their fans would work against the ones on the laptop.  In this case, you are probably better off lifting the laptop with a simple stand that provides more room for heat dissipation.  Other than traditional axial-fan coolers, there is an assortment of USB laptop coolers including ones that use a centrifugal turbine and also ones with a crossflow fan.  You will able to check them out below.

Gamer Laptop Cooler Boasts 6 Fans


The MeFee is unmistakably an ambitious notebook cooler for gamers.  It is designed for heavy-duty purposes, supporting mammoth laptops with up to a 21” screen.  A whopping six fans of two sizes sit underneath the cooler’s metal mesh surface.  That’s likely the most number of fans you can ever find in a product like this.  The larger three fans spin at 1400 rpm whereas the smaller ones are rated at 2400 rpm.  Noise level is measured at 20 dB even with all the fans going full throttle.

As far as customizations go, you have an option to activate all six fans, three large ones or three small ones.  Fan speeds are controllable via the on-board 6-step control.  As nothing is complete these days without RGB lighting, the MeFee is equipped with LED light strip on left and right side of the cooler.  There’s also a LCD that gives visual indications of the fan speed as well as lighting effect being selected.  Last not but least is the cooler’s seven-step height adjustment settings to tilt the laptop at various angles as well as a built-in smartphone stand.

Centrifugal Cooler with Built-in Thermometer


In contrast to traditional pad designs, the Opolar LC06 with its clamps mounts itself firmly to a laptop’s side or rear air vent and then rapidly extracts heat from there.  This kind of vent is usually found on desktop-replacement and gaming notebooks.  So having something like the Opolar with its centrifugal fan should really help with overall heat dissipation.

According to Opolar, its LC06 has the capability to lower a laptop’s temperature by 18 to 50F in just under a minute.  What we like about this cooler is that there’s a Japanese-made fan motor in addition to 13 speed mode to manage airflow and noise.  You can expect noise level of approximately 70db when the fan is operating at top speed.  To top it off, a built-in LED screen reports back air temperature from a laptop’s vent in real-time.

Crossflow Fan Laptop Cooler


The EURPMASK deviates from conventional laptop coolers by adopting a crossflow fan – rated at 2900 rpm.  Such a cooler design has an advantage to take up much less space than one that uses axial fans. So, the EURPMASK is somewhat more portable.

Built-in retractable stands also raise your laptop to allow airflow to reach the air intakes.  However, it doesn’t seem like a one-size-fits-all solution as the airflow doesn’t effectively help heat dissipation on a laptop with rear exhausts.  Rather, it’s more for laptops with heat exhausts on the sides.  Those who are willing to give this a try may want to know the EURPMASK can also be placed vertically to double as a 3-speed desktop USB fan.

Crossflow Fan Laptop Cooler for Desktop Use


KLIM Airflow is another laptop cooler that employs a cross-flow turbine.  This one in particular actually is complete with a tray that holds a laptop in place. Physically, the KLIM is good for laptops up to 17”.  It also has a pair of retractable rear legs to lift an extra 2 inches even though the KLIM itself can already lift a laptop quite considerably due to the turbine on the back.

Unlike an axial fan that uses brute force to push as much air as possible to the air intakes on the bottom of a laptop, the KLIM simply cools down the surrounding inside the concave area by bringing in air from the back with its cross-flow fan.  So, this particular model might not be ideal for laptops (if few) with heat exhausts on the bottom.

Cooling Gel Pad Boosted by USB Water Pump


This basically works like a cooling gel pillow commonly found in department stores.  When a laptop is placed atop the pad, the gel inside would absorb the heat and it will continue to do so until it warms up to equalize with the temperature of laptop’s underside.  This means such a passive cooling method might not be ideal for bringing down temperature for a powerhouse laptop.

Thanko improvises by adding a pump that circulates water through a plastic tube running across different sections of the cooling gel pad.  Ideally, this should further improve cooling performance.  The USB-powered pump reportedly has a discharge rate of 28L per hour.  In Thanko’s own words, the cooler can lower the laptop chassis’ temperature from 39C to about 28C in less than 10 minutes.  The Japanese gadget company used to sell this but it doesn’t have the cooler in stock now.

True Water-cooling for Notebooks


This notebook stand may not be much to look at, but it packs a water cooling system.  You heard it right… water cooling. A USB-powered pump sitting under the stand circulates water through copper a radiator in mounted over a fan.  The water flow is constantly wicking away heat from the copper radiator and any air that passes through it is cooled.

This unique cooler should provide a significant increase in cooling over conventional fan-based cooling pad.  It’s definitely something for those with gaming laptops for people serious about heavy multitasking.  Water cooled systems are very nearly mainstream now (at least on desktops), so you shouldn’t worry about leaks or catastrophic failures.  Unfortunately, this is actually a working concept that didn’t come to fruition.

And there you have it.  Here’s our list of laptop coolers that are worth checking out.  Also be sure to check out our list of must-have laptop accessories for road warriors.

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2 responses on “Six USB Laptop Coolers to Keep CPU & GPU from Throttling

  1. Eileen Dover says:

    More details? Prices? Availability?

  2. DK says:

    Interested in the first one…. but still not out yet? Any updates?