Model TL-C12C 4 fans • Size: 120 × 120 × 25 mm • Speed (RPM): Up to 1550 RPM (±10%) • Air Flow: Up to 66.17 CFM (Cubic Feet per Minute) • Air Pressure: 1.53 mm H2O • Noise Level: Very low (less than or equal to 25.6 dB) The fans are new, never installed on any device. They have a sticker with a barcode to verify product authenticity from the company's website. Final price, you won't find them at this price.