When it comes to Enermax, we usually review their AIO liquid CPU coolers, however this time we’ll be taking a look at their latest series of CPU air cooler. In recent months, there have been an increasing amount of consumers looking to use CPU air coolers. And to meet the demand of those users, Enermax have designed the ETS-F40-FS cooler series, which contains three slightly different models. We will review all three models starting from the Silent Edition cooler.
All ETS-F40 coolers are equipped with 140mm silent fans and are designed to support high CPU series. With all the promises that key features bring, it’s getting interesting.
Our tests will be performed on the Ryzen 9 5900X CPU, one of the more demanding processors on the market. It will be a good test for new Enermax coolers. Let’s begin with a couple of words from Enermax and the list of key features.
The ENERMAX ETS-F40-FS Silent Edition offers an outstanding cooling capacity of up to 200W TDP. Paired with a 140mm silent fan with a maximum noise level of 23dB(A) (optional ARGB), this makes the CPU air cooler the best choice for silent, media and gaming PCs. Particularly the optimized PWM control of the ETS-F40-FS Silent Edition with low starting speed (300 – 1200 rpm) makes no compromise between noise and excellent performance. The four asymmetrical 6 mm heat pipes with Heat Pipe Direct Touch provide best RAM compatibility and fast heat transfer. The pure minimalistic design offers the best price without any loss of performance.
The ETS-F40-FS Silent Edition is a tower design cooler with copper heat pipes. Evaporation and condensation of a liquid inside the heat pipes are being used to transfer large amounts of heat to the heat sink. This technology is not only free of maintenance, long-lasting, and reliable, but also environmental friendly since it does not use poisonous chemicals.
Vortex Generator Flow (VGF)
In aviation, spoilers, the so-called vortex generators, are used to guide the airflow evenly along with the wings. Enermax engineers have applied this technology to the CPU heat sink: Small spoilers on the fins next to the heat pipes create a vortex which brings more fresh air to the back of the heat pipes.
Vacuum Effect Flow (VEF)
The partially closed sides of the heat sink create a vacuum that additionally draws fresh air from the side.
Heat Pipe Direct Touch (HDT)
With the patented Heat Pipe Direct Touch technology, the heat pipes rest directly on the CPU. The advantage against a base plate is the faster transfer of heat without any additional resistance.
Asymmetric Heat Pipe Design
The asymmetrical heat pipe design creates additional space for the fan to prevent high RAM modules from being blocked.
140 mm Silent Fan
The ETS-F40-FS Silent Edition is equipped with a 140mm fan. The 9 sound optimised blades can rotate at very low speeds of only 300 RPM and are limited to a maximum of 1.200 RPM to support ultra-silent operation at all times. Due to the size of the fan, there is still a strong air flow for a cooling capacity of 200W TDP. A second set of mounting brackets allow the installation of an additional 120 or 140 mm fan for extra performance.
Quick & user-friendly universal mounting system supporting Intel® and AMD® sockets (excluding TR4/SP3 socket). The pressure adjustment spring system and high conductive Dow-Corning® thermal grease ensure perfect contact with the CPUs heat spreader.
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