Thermalright Silver Arrow IB-E Extreme


The following system was used to test the cooler:
– Processor: Intel i5 6600K @ 3.9 GHz and overclocked to 4.5 GHz
– Motherboard: ASRock Fatal1ty Z270 Professional Gaming i7
– RAM: Ballistix Tactical Tracer 16GB DDR4 @ 2666MHz
– GPU: GeForce GTX 1070 Founder’s Edition
– SSD: Samsung 840 EVO 120GB
– HDD: WD 1 TB Blue
– PSU: Seasonic Snow Silent 750W Platinum
– Case: Phanteks Enthoo Luxe White
– Thermal compound: Arctic Cooling MX-4


Software used for testing the cooler:
– AIDA64 Extreme Version: 5.98.4800 (9/19/2018)
– Intel Burn Test v2.54
– Prime95 29.1

The cooler was tested with the CPU at the default turbo frequency of 3.9 GHz and overclocked to 4.5 GHz with a core voltage of 1.296 V.
Also, the included fans have been used at their maximum speed.
The room temperature was approximately 26°C (78°F), with 2°C margin of error.
The idle test consists of the CPU sitting idle at the desktop for 30 minutes, the temperature was measured at the end of the test.

The settings of the software used are the following:
Intel Burn Test v2.54 – Stress level: Maximum
Prime95 29.1- small FFT
AIDA64 Extreme Version – Temperature monitoring.
Each test was conducted for 40 minutes.




Full Load


The noise level was measured at three different distances from the fans (10cm, 20cm, 30cm.) the noise was measured with a margin of error of ± 2 db.


Due to its size, the cooler covers all four RAM slots, the front fan touching the first stick of memory. The shape of the fins and of the metallic clips that hold the fans attached make the repositioning of the fan upwards difficult. In this case, I will recommend that with this cooler, only small heatsink RAM kits should be used to avoid conflicts.


The Silver Arrow IB-E Extreme has a slight offset upwards, this means that the PCIe slots are not covered by the heatsink. Between the heatsink and the graphics card there are approximately 23mm of space.


Final thoughts

The Thermalright Silver Arrow IB-E Extreme has been released around 2014 and has been constantly updated, to be compatible with more CPU sockets.
In terms of cooling, the Silver Arrow IB-E Extreme is at the same level as most of the true high-end Air CPU Coolers and ahead of many generic AIO liquid coolers available.
Apart from the good cooling performance, another feature of this cooler is the build quality, starting with the heatsink and then moving on with the two fans and the mounting system. There are no sharp edges on the fins and all of the important components of the mounting system are made out of metal.

The main issue is as always, the size, without a proper ATX motherboard and case, the Silver Arrow IB-E Extreme will not fit, and the new tall RGB ram heatsinks will also be unusable.
All this being said, while there might be space issues, this cooler offers a surprising amount of space for the PCIe slots and for the VRM heatsinks of the motherboard. This is due to the slight offset of the heatsink and heatpipes, in essence, while the cooler will cover the RAM slots of the motherboard, the lower area of the CPU socket is easily accessible. A great feature as the lower part of the CPU Socket is often used to place one or more SATA M.2 SSD slots.

Thanks to the two included fans running at a maximum of 2500RPM, the Silver Arrow IB-E Extreme is not a silent CPU cooler, the sound peaks at around 40 decibels. However, with such a high rotational speed and having two fans installed, a low noise output is hard to achieve.

In conclusion, The Thermalright Silver Arrow IB-E Extreme is a great CPU cooler that has a unique design and a good performance. It also proves that air cooling is still competitive on the market. The two included fans are not silent at their maximum speed however, when gaming the average speed is 1500 RPM and they are silent.
The Silver Arrow IB-E Extreme is aimed at overclocking enthusiasts and delivers a good performance with a simple yet solid mounting system. The cooler is also compatible with most CPU sockets except the AMD ThradRippre platform. For large CPUs, an extended cooler base is required for proper heat transfer and cooling.

Leave a Reply

Your email address will not be published. Required fields are marked *