Arctic News Freezer i32 Plus CPU Cooler Sports a Zero-RPM Mode

Posted by at 11:04 am on January 31, 2017

Arctic knows that modern CPUs produce so little heat when under low loads that active cooling really isn’t necessary, which is why its new Freezer i32 Plus CPU cooler has a passive mode.

The Freezer i32 Plus has a simple tower-style heatsink made with 84 0.3mm thick aluminum fins, and it spans 150mm. It’s 52mm thick (102mm with the two fans installed), and 123mm wide. Heat is fed to the fin stack through five 6mm copper heatpipes.

The Freezer i32 Plus model has two 120mm fans than just  one. They feature a fluid dynamic bearing and can spin at speeds of up to 1,350RPM. The passive mode, of course, is zero RPM. The fans are PWM controlled, but they have a rather unusual speed curve: Up to 40% PWM cycle the fans won’t spin at all, and from there they’ll start spinning all the way up to their maximum 1,350RPM at a 100% duty cycle.

All you need to do is plug the cooler into a PWM-capable header, and you’re set. With other CPU coolers, if you want a passive mode, you’d have to manually change the fan curve through the motherboard BIOS or software.  Some BIOSes won’t even let you do that.

The cooler’s maximum recommended TDP is 150W, and it comes with a single tube of MX-4 TIM compound. It supports Intel sockets 1150, 1151, 1155, 1156, 2011, 2011-3 (only square 80 x 80mm spacing for the 2011 sockets). It does not support AMD sockets.

Pricing for the Arctic Freezer i32 Plus sits at $49.99, and it’s available now.

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