Low-Noise Adaptors for reducing the running speed and noise emission of PC fans4-pin connectors support both 3-pin and 4-pin PWM fansBlack connectors and black cable sleeving for clean opticsCompatible with all Noctua 12V fans except industrialPPC series, ideal for redux line fansSet includes 3 cables; Trusted Noctua quality backed up with 6-year manufacturer’s warranty Product Description The NA-SRC7 is a fan accessory set consisting of three fully sleeved NA-RC7 Low Noise Adaptors (LNA) for Noctua 4-pin PWM fans. Connected between the fan and the power source, the adaptors reduce the running speed and noise emission of the fans. The NA-SRC7 is ideal for slowing down Noctua’s redux edition fans. Not compatible with Noctua's IndustrialPPC series fans. Specifications: Connector: 4-pinLength: 110mmColour: Black Fan Compatibility: Compatible with all Noctua 12V fans, except industrialPPC series. While it may work with many other fans, use with third party fans is not officially supported by Noctua, and is used at the customer’s own risk. Warnings: Never use one Low-Noise Adaptor to slow down multiple fans. Always use one adaptor per fan.The NA-RC7 adaptor is strictly not to be used with fans that draw more than 2.5W of power. Scope of Delivery: 3x NA-RC7 Low-Noise Adaptors Compare with other low-noise adaptor cables from our selection: 4-Pin Low-Noise Adaptors, black 3-Pin Low-Noise Adaptors, black Track Page Views WithAuctiva's Counter