Case fan enough?

I was planning on getting the 680s 4gb edition and sli them to run a surround setup on my first build and I was wondering if I would need any more fans or if this is plenty enough in this case

Antec Twelve Hundred V3 Black Steel ATX Full Tower Unbeatable Gaming Case

processor: Intel Core i5-3550 Ivy Bridge 3.3GHz (3.7GHz Turbo) LGA 1155 77W Quad-Core Desktop Processor Intel HD Graphics 2500

psu: XFX PRO850W XXX Edition Semi-Modular 80 Plus Silver Certified 850 Watt Active PFC Power Supply

motherboard: ASRock Z77 Extreme4 LGA 1155 Intel Z77 HDMI SATA 6Gb/s USB 3.0 ATX Intel Motherboard

ram: CORSAIR Vengeance 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model

monitor x3: Asus VH238H Black 23" Full HD HDMI LED Backlight LCD Monitor w/Speakers 250 cd/m2 ASCR 50,000,000:1

thanks in advance!
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More about case enough
  1. Best answer
    It looks like enough. 5 120mm plus top fan. This case came out before motheboard started having fan plugs on board. All these fans are 2 wire so even if MB plugs are used with 3 or 4 pin adapters (not supplied) to molex (supplied) there is no third wire for speed info back to MB and there is no fourth wire for PWM fan control. They all hook to PSU via Molex and will provide a lot of air movement.
  2. Best answer selected by HouseBoratheon.
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