Visual inspection

The DeepCool AK620 is a dual tower air CPU cooler that features two brand-new 120mm fans and six copper made heatpipes. Just like other premium air CPU coolers, the AK620 has no RGB LEDs to break its design or to increase the overall price.
The AK620 has a silver and black color combination, with the only graphics elements present on the heatsink being the DeepCool emblems.

The DeepCool AK620 has a height of 160mm a depth of 138mm and a width of 129mm with a weight of 1456g.


The heatsink used with the DeepCool AK620 has a dual tower design. Each tower has a total of 49 aluminum made cooling fins. This heatsink can accommodate up to three 120mm fans and has included and preinstalled two 120mm Deepcool fans.


The fins at the bottom of the heatsink are narrower than the rest. This is done to increase the clearance of the CPU cooler around the CPU socket area.


The DeepCool AK620 has six nickel-plated copper made heatpipes, each with an outer diameter of 6mm. The heatpipes are arranged in the traditional U shape to facilitate the heat transfer and to provide a stable base for the cooling fins.


The baseplate of the DeepCool AK620 is made from the same nickel-plated copper as the heatpipes. The surface of this baseplate is smooth and has a mirror like reflection, however, a subtle circular pattern is visible. The heatpipes are making direct contact with the back side of the backplate and the two components are soldered together for optimal heat transfer.


The top of the heatsink is covered by high-quality plastic plates which sport a square pattern. These plates serve as only a design element and have no other function, fortunately, the heatpipe endings are hidden from view. I use the word “fortunately” as often, the heatpipe endings are not machined symmetrically and will break the design of the CPU cooler.


The DeepCool AK620 is equipped with two 120mm fans. These are new models made for this CPU cooler, and are called the FK120, with the model number: DF1202512CM. These fans have the standard dimensions: 120 x 120 x 25 mm.
Both fans have a minimum speed of 500RPM and a maximum speed of 1850RPM. Fortunately, both are fully PWM compatible and thus, their speed can be controlled via the motherboard or a fan hub.


The cable of these fans is long enough to reach most fan headers around the CPU socket of a motherboard. There is no sleeving to protect the wires, however, the wires are all black and will blend with the rest of the system. For power the fans use a regular 4-pin connector.

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