Both a 120 mm and a 140 mm fan fit at the rear. The housing supports both fan sizes at the rear. The rear is designed for 120 mm fans, 140 mm is also possible with the North XL version.

Yes, this case can accommodate an E-ATX mainboard with the dimensions 330 x 305 mm (connectors on the 330 mm side). The case is explicitly designed for E-ATX, ATX, mATX and Mini-ITX mainboards and supports E-ATX boards with a width of up to 330 mm.

The Fractal Design North XL is equipped with three 140 mm Aspect PWM fans, which are mounted in the front area. These fans have a maximum speed of 1,700 rpm.

This is the model without the side window.

Thank you for pointing this out, we have corrected the error.