Startech.Com Replacement 70x70x10mm
... use a 70mm fan. For peace of mind, the CPU coolingfan features a Tachometer pin on the TX3 motherboard connector that provides the host system with fan operating status, while a dualballbearing design helps provide smooth operation and longer (fan) lifespan.
... 70mm fan is an ideal replacement fan for keeping your computer running cool. The fan can be powered through a TX3 connection, and features a dualballbearing design that ensures reliable cooling and longer fan lifespan._x000D_ The fan ...