MODEL- FAN5X1TX3 VENDOR- STARTECH.COM LTD FEATURES- Replacement Ball-bearing Fan 5 x 1 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 AIRFL