Size: 50 * 50 * 11mm Bearing: Single with oil Standard voltage: DC 12V Current: 0.1A Continuous working time: 10、000 hours Fan Interface: Motherboard 2pin Speed: around 5000 Features: Long service life、 with sufficient cooling air flow and air pressure Dimensions: 1.97 in x 1.97 in x 0.43 in (5.0 cm x 5.0 cm x 1.1 cm) Weight: 0.92 oz (26 g)