The YD8025HSL 8025 DC12V 0.20A 8CM 2-wire cooling fan typically operates at a rotational speed of approximately 2800 to 3200 RPM. It is a 12-volt DC brushless fan designed for, or similar to, 80x80x25mm chassis or CPU cooling applications, featuring a 2-wire connection and often an oil-bearing system. eBay eBay +3