DeepCool AK620 and AK400 G2 Review: Quiet and powerful, with woodgrain or a digital display
DeepCool’s latest AK G2 series air coolers feature your choice of woodgrain tops or a digital display. We’ve tested both AK620 and AK400 G2 coolers with AMD’s Ryzen 9 9950X3D to benchmark their thermal efficiency.
DeepCool, a PC cooling manufacturer, has released its second-generation AK series coolers, the AK400 G2 and AK620 G2. These air coolers are available in different styles, including woodgrain top covers and a digital display. The coolers are priced without any specified MSRP, come with a 3-year warranty, and are compatible with AMD AM5/AM4 and Intel 1700/1851/1200/115x sockets.
They feature heatpipes and heatsinks, with the single-tower AK400 G2 and six evenly spaced copper heatpipes in the larger dual-tower AK620 G2, transferring heat from the CPU to the heatsink and fins. The coolers use high-performance 120 mm fans, with the AK400 G2's single fan running at 2200 RPM, faster than the two included fans on the AK620 G2 at 2000 RPM.
Both models have an airflow rating of 63.4 CFM for the AK400 G2 and 57.76 CFM for the AK620 G2, and an air pressure of 3.33 mmAq and 2.78 mmAq, respectively. The coolers are available in black or white, with woodgrain and checkerboard black cover options, as well as a Nyx version featuring a digital display showing CPU performance metrics. The RAM clearance design on the AK400 G2 ensures compatibility with all RAM sizes.
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