Some days ago I ordered for Cooler Master Notepal U3 for my laptop Dell Studio 1558. I ordered the product through “”. The need for laptop cooler arouse because my heavy dependence on internet and worst quality of cooling systems in my laptop. I selected to purchase this cooler mainly because it supported 3 adjustable fans powered by a single USB extender.

The speed of all 3 fans is adjusted by a speed control wheel which also acts like a clip. The base is made of aluminium, hence heat dissipation is quick. The Rubber bar at front and back prevent laptop from slipping. Full aluminium body makes it good for heat dissipation and its open design

The full specification of the product is given below.


MaterialsAluminium, Plastic, Rubber
Dimension(W/D/H)420 x 320 x 65 mm
Fan Dimension80 x 80 x 10mm (3 fans)
Fan Speed950 ~ 1800 R.P.M
Fan Bearing TypeRifle
Compatibilitysupports all 17”, up to 19”
Operation Degree11.5 degree
PowerUSB 5V DC
USBUSB 2.0/1.1 x1, USB port for Power-In

The contents inside box includes

  • Cooer base with anti-slip rubber stick x1
  • 80mm fans x3 with attached USB Extender x1 and Speed control clip x1.
  • elastic belt x1


Cooler Master has indeed done some thinking work with this product. The aluminium base dissipates heat quickly. The fans push the cool air into your computers hence the internals of the computers will also be cool.But the main problem is this product is designed for 17” computers, hence this product’s power is wasted if you use it with 15” variants.The problem i faced was my laptop was slipping on it. as its bit smaller.

As for cooling efficiency is concerned this product does its job.  I had placed fans below my CPU fan vent, RAM vents and 3rd near HDD and GPU vents. fan cooling HDD and GPU was placed between the vents of both. My HDD doesn’t have vents but there is vents besides it which can push cool air to HDD too.

The screen shots of temperature monitoring gadgets is shown.

without load

Temperatures without load on CPU

furmark testing

GPU Heating benchmark.

furmark GPU load

the temperature when GPU was loaded by FurMark benchmark.

after testing

Few moments after the benchmark tests were completed.

Cooler Master Notepal U3 does work fine. The adjustable fan provide adequate cooling. to all peripherals. The best thing about this cooler is its metal surface for heat dissipation. This cooler can also work as strong protection for your laptop too. USB extender is very useful feature as it doesn’t loose you a USB port on device. This product is good for its price tag of `1919(on For 15” laptops its better to head for U2 version.

Note: Flipkart delivers products only in India.

You are reading an Article by Harsha Ankola, originally posted on Harsha’s Tech Space. If you have enjoyed this post, be sure to follow Harsha on Twitter, Facebook and Google+.