Unlike other case fans, the one in the rear isn't optional.
The pressure delta reduced by the front intake fan is also minimal in most cases due to the poor ventilation afforded the front case fans. <I>If a rear exhaust mount is not available</I>, by all means ...
Don't make this common PC building mistake ...
In a time when OEMs can pluck essential features like headphone jacks and removable batteries from your smartphone, PC building seems like a breath of fresh air, especially if you love customizing ...