MODEL- FAN6X25TX3H VENDOR- STARTECH.COM LTD FEATURES- Replacement Ball-bearing Fan 6 x 2 cm TX3 Replacement Ball-bearing, Long-life Fan exhausts hot air out of a PC, increasing dependability and extending component lifetime. Dual ball-bearings for reliability, Tachometer pin on the TX3 motherboard connector provides system with fan operating status. CONNECTORs- 3-lead TX with RPM sensor AIR