NA-SEC3 The NA-SEC3 is a fan accessory set consisting of three extra-long, fully sleeved NA-EC3 60cm extension cables. The NA-EC3’s 4-pin connectors are compatible with both 3-pin and 4-pin PWM fans, and the cables can be daisy-chained, making them ideal for installing fans in larger enclosures or other applications where more than 60cm reach is required. Specifications: Scope of delivery 3x NA-EC3, 60cm extension cables Warranty 6 years