This is the Cooling Fan for the Viv0Book Y406 X420 series laptop for CPU processor, attaches to your existing heatsink module.
Cooler sold without a passive copper heatsink which is designed to evacuate the dissipated heat that is inside the case of your laptop.
The fan uses an integrated flex cable to connect to the mainboard. The cable connects via 4-pin connector making it a plug and play replacement module, NO soldering is required.
Manufacturer Part Number(s): 13NB0LA0M02011, DFS5K121154912 FL3M
Specifications: Direct Current: DC 5V / 0.5A Color: Black Connection: 4-pin 4-wire, plug-in Wire Length: 3.00 cm/1.18-inch