Do i need a intake fan with corsair 100r windowed

Solution
You can put a 120mm or 140mm in front. I'd put a 140 up front to help case flow. The placement is perfect. It fits right between the upper and lower drive cages. Since the fan mount area is closed off to the front and only pulls air from the sides I suggest a high static pressure type fan.

http://www.corsair.com/se-fi/carbide-series-100r-mid-tower-case

http://www.corsair.com/se-fi/cooling/popular-cooling/static-pressure-fans?fansize=140mm%20x%2025mm|&flowtype=Static%20Pressure|
Absolutely get an intake. An intake is more important than an exhaust in my opinion and will help keep dust from entering the case through seams instead of filtered intakes. Having both an intake and exhaust makes air flow in the case systematic
 
You can put a 120mm or 140mm in front. I'd put a 140 up front to help case flow. The placement is perfect. It fits right between the upper and lower drive cages. Since the fan mount area is closed off to the front and only pulls air from the sides I suggest a high static pressure type fan.

http://www.corsair.com/se-fi/carbide-series-100r-mid-tower-case

http://www.corsair.com/se-fi/cooling/popular-cooling/static-pressure-fans?fansize=140mm%20x%2025mm|&flowtype=Static%20Pressure|
 
Solution