How many fans should my gaming pc have?

[hellobobafett999]

I'm making a brand new custom built pc could you guys please tell me how many fans I would need and any other feedback would be appreciated and I'm still deciding on my case any suggestions would also be appreciated?

Here are the specs:

Intel - Core i7-7700K 4.2GHz Quad-Core Processor
Cooler Master - Hyper 212 EVO 82.9 CFM Sleeve Bearing CPU Cooler
Asus - STRIX Z270-E GAMING ATX LGA1151 Motherboard
Corsair - Vengeance LPX 16GB (2 x 8GB) DDR4-3000 Memory
Western Digital - Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive
Asus - GeForce GTX 1080 8GB ROG STRIX Video Card
EVGA - SuperNOVA G2 750W 80+ Gold Certified Fully-Modular ATX Power Supply

 

[Zerk2012]

That case only holds 3 and comes with 3.