1U CPU fan for LGA1151 , LGA1155 , or LGA1156 Quantity in Basket:noneCode: 1U-LGA1155-fan Price:$38.00Shipping Weight: 1.00 pounds Quantity: Dimensions : 82.6 x 81.0 x 27.8 mm Material : Copper Heatsink CPU Socket Support : LGA1151 / LGA1155 / LGA1156 Lead Wire Pin Out: Pin1-Black (-) Pin2-Yellow (+) Pin3-Green (Techometer/Signal output) Pin4-Blue (PWM) Aluminum 75x75x15mm PWM Blower