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: 3Wires Compatiblemodels for Samsung NP530U3C 530U3B 532U3C 535U3C 540U3C 542U3X 535U3X Part Number: KDB0505HA CE21 BA31-00125C Please double checked your current fan to the one pictured because they might have different appearance, screw alignments and pin connector. About Shipping 1.Recommend:We offer a discount,off 50% for shipping by ePacket or China Post Registered parcel,If you want to get the parcel fast and can track the parcel,please choose one way to ship. 2.Expre parcel:If you want to get parcel much more faster,Please choose those shipping's way just like DHL,EMS and so on. 3.Free shipping:We will send parcel with China Post ordinary parcel or Hongkong Post ordinary parcel.Usually,We only offer a tracking informaion about whether it is be sent or not,but shipping cost it is most cheapest. 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!