Features: High performances cooling fan, DC12V, 4-pin. Quality materials, perfect design for high compatibility and excellent assembly. Helps to keep your laptop cpu gpu cool even after long-term use. Small and light, convenient and easy to replace, get rid of high temperature quickly. Cooling fan is suitable for 15-DH TPN-C143 L64445-001 ND8CC01 -16L04 -16L05 laptops. Specifications: Material: Metal Type: CPU Fan, GPU Fan , CPU GPU Fan(optional) CPU: Approx. 7.5x7.2cm/2.95x2.83inch GPU: Approx. 9x8cm/3.54x3.15inch Current: DC12V Connection: 4-pin Note: Please allow 0-1cm error due to manual measurement. make sure you do not mind before you order. Please allow slight chromatic aberration due to different display resolutions. Package includes: 1x CPU Fan or 1x GPU Fan or 1 Pair CPU GPU Fan(optional)