Attention: The four main fanfactory for: 1.DELTA 2.SUNON 3.FORCECON 4.ADDA So maybe we will send by random,hope you can understand,thank you. Features: New and high quality. Power connector: 4Wires Compatiblemodels for HP 4530S 4535S 4730S 6460B EliteBook 8450P 8460P Part Number for: DFS531205MC0T Please double checked your current fan to the one pictured because they might have different appearance, screw alignments and pin connector. Fan'sFunction: 1.It protects your valuable data by keeping your CPU cool 2. The CPU fan features efficient heat diipation and low noise 3. You can work as long as you like without overheating your computer 4. Keep your computer cool and comfortable on your lap or at your desk with this CPU fan 5. Made of high-quality material, it is durable in use 6. Perfect design for high compatibility and excellent compose How to maintain CPU fan 1.Do not put a computer in dusty places 2.regular cleaning of dust and lubricants, every six months or every year, it is recommended to bring anti-static gloves Note: 1.Please allow 1-3mm error due to manual measurement.Please make sure you do not mind before you bid. 2. Lighting,display and other factors may cause COLOR SHADING,please comprehensive pictures and text descriptions to determine!