![]() ![]() The Delta fans Mac used in the Mac Pro use the same pins essentially. Male Header: 47053-1000 Pinouts Motor Connections You can obtain those connectors and pins from Amazon and eBay pretty easy for a clean looking conversion. The 4 wire Mac fans are about the same Delta brand fans as you’d see in a PC except the pin configuration is usually different. If the fan has more than 3 wires it is almost invariably going to be PWM type. The +12 is a constant and the pulse train frequency controls the speed. The 4 wire Mac fans that I’ve used have all been PWM. I’m not covering this in depth since I’m using these for a 3D printer project, but contact me if you’d like to have me break this down further. Chances are the connector you need to use looks like one of the Molex 2, 3, or 4 pin connectors. You’ll have to acquire the connectors and pins which work with your motherboard. ![]() If you’re reusing these with your hackintosh or case mod build, you’re going to want to repin these fans to work with your motherboard. I couldn’t find a clear pinout for a few common Mac fan connectors, and I noticed a lot of people wiring them up to straight DC sources wondering why they didn’t work. They are are wonderful static pressure Delta brand fans. I’m going to make an air scrubber to filter ABS fumes (mostly styrene) with a couple fans from my stack of retired Mac Pros. Mac Pro and PowerMac Delta Fan Pinouts and PWM Wiring ![]()
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