SilverStone ALTA G1M Micro-ATX Case Review 1

SilverStone ALTA G1M Micro-ATX Case Review

Cases and Cooling
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SilverStone ALTA G1M Micro-ATX Case Review 2

Plenty of air enters via the lower vent, which feeds the bottom-mounted 180 mm intake fan

This 12.8 C rise from open test bench to enclosure with the same CPU cooler caused me to again question placing the AiO cooler’s three 120 mm fans up against the vents, since I was probably reducing airflow. The hissing sound during loads from the vent holes told me that air was entering, but there was quite a bit of resistance. So, don’t do that. There is clearance to mount such a cooler and fans either way. Honestly, a big air cooler, with help from the 180 mm Air Penetrator fan down below and vents above, would be my choice for the CPU in this case.

As to noise levels, these will vary by component selection, obviously, and with my haphazard little build I measured, as built with 360 AiO, “normal” motherboard fan profiles, and a full speed AiO pump, some 32.4 dBA at idle and 39.3 dBA under load. Again I was reminded of my mistake in mounting the fans on the outside of the radiator, as the fans drawing in air directly through the vents at such close range produced quite a pronounced hissing sound.

I will add that my concerns about noise levels from the Air Penetrator fan were unfounded. I guess I remember running the three at the bottom of my Fortress FT02 at 100%, since I was over-volting and overclocking my two air-cooled Radeon 5870 GPUs back then. It was well behaved here.