The part is very clean, but it needs cleaning, let's be clear. Specifications: 1. Cooling System (Thermal Design) Number of fans: Two fans Heat Pipes: Electrical Specifications (Fans Specs) Operating Voltage: 5V DC (5V DC). Current: Typically ranges between 0.4A to 0.5A per fan. Connection: 4-wire connectors (4-Pins) And the last one comes with its base for free with the sale.