Compatible with ACEMAGICIAN CK11Designed for ACEMAGICIAN Mini PC CK11 CPU cooling fan replacement. ^^ Compatible Part Number LD7509S5Replacement for LD7509S5; please verify the original fan label before ordering. ^^ DC 5V 0.14A 4-Pin FanUses DC 5V 0.14A power with a 4-pin connector for compatible Mini PC motherboard connection. ^^ Restore Cooling PerformanceHelps replace a worn, noisy, weak, damaged, or non-working original CPU cooler fan and restore normal airflow. ^^ Check Before PurchasePlease compare the fan model, voltage, current, connector, cable position, screw holes, and shape with your original fan to ensure compatibility.