1. Compatible With 5 2. Metal "Fin" Radiator Combined With High-Quality Blower 3. The Fan Accessory Is Compatible With The for 5 Fan Connector 4. Variable Speed Fan (Software/Temperature Control) 5. Using The 5 Heat Sink Mounting Holes Type: for Case Power Supply Voltage: 5V Model: for 5B Function: The Fan Is Software Controlled, Allowing It To Remain Off (And Therefore Silent) Until The Temperature Reaches A Specified Threshold Note: Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use Colour:titanium color Material:Aluminum alloy + plastic Package Contents: 1 x Motherboard Radiator Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.