Noctua, Premium Quiet Fan, 4-Pin 120mm, Brown - Newegg.com
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Noctua NH-D14 120mm 1200RPM Case Fan
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What Noctua fan size is best for front of Corsair 4000D case? 120mm bc that's the size of the openings in the front panel. Shown: 3x_P12's PWM 4-pins! 02Feb2022 : r/Noctua
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Noctua NF-A15 PWM Fan - 140mm, NF-A15_PWM | eBay
Noctua 140mm Premium Quiet Quality Case Cooling Fan NF-A14 FLX - Walmart.com
Amazon.com: Noctua NH-D15, Premium CPU Cooler with 2X NF-A15 PWM 140mm Fans (Brown) : Electronics