Alter your PC with this standard 120mm-fan with 3pin connector Bigger is better is the motto of this product. Even with minimal speed signals this fan is able to produce a high air flow rate. The selected brackets combined with the other high-quality components makes this fan a very silent hardware device.Fan Dimension (H/W/D): 25 x 120 x 120mm Fan Speed: 1000rpm Rated Voltage: 12V Power: 1.2W Air Flow: 47cbm/h Noise Level 20dBA Connector: 3Pin