Noctua NH-U12A Premium 120mm CPU Cooler with two Quiet NF-A12x25 PWM Fans\n\nThe NH-U12A is the latest; 5th generation of Noctua's award-winning NH-U12 series of 120mm size premium-quality quiet CPU coolers. Conceived to push the envelope of the 120mm form factor; it combines two of Noctua's flagship model NF-A12x25 PWM 120mm fans with a completely redesigned heatsink featuring seven heatpipes and an increased fin surface area for superior heat dissipation. This way; the NH-U12A can rival the performance of many 140mm size coolers while offering 120mm class case and PCIe compatibility. Topped off with the trusted; pro-grade SecuFirm2 multi-socket mounting system and Noctua's proven NT-H1 thermal compound; the NH-U12A is a deluxe choice that combines top-tier performance with excellent compatibility and outstanding quietness of operation.\n\nAward-winning NH-U12 series First introduced in 2005; Noctua's NH-U12 series has won more than 600 awards and recommendations from leading intern;