Sunon Super Silennce Series HA40201V4-000C-C99, 40 x 20mm Cooling Fan, 4700 RPM, 5.5 CFM, 12.8 dBA, 3 pin header with Speed Sensor, ship from Los Angeles! Sunon 40 x 40 x 20mm Super Silence Series Cooling Fan, Maglev Vapo Bearing, Durable and Long Life 4700 RPM, 5.5 CFM, 0.08 inH2O, 12.8 dBA only Operating Voltage: 4.5 - 13.8VDC, Rated Voltage: 12VDC, Power: 45mA, 0.6W 30.6 gram each, 3 wires with Speed Senor, 3 pin connector This version is identical in specifications and materials to Sunon model # HA40201V4-0000-C99 or HA40201V4-0000-999. Please contact Tech Gears 4 Me store for any questions, thank you