SpeedFan 4.02

• Quick specs
• Price: Free
• Operating system: Windows 95, Windows Me, Windows XP, Windows 2000, Windows NT, Windows 98
• Date added: February 28, 2002
• Total Downloads: 963,067
• Downloads last week: 4,977
• See full specifications

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A newer version of SpeedFan is available.

Download the latest version | Learn more about SpeedFan 4.39

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CNET editors' review

Reviewed by: CNET Staff

This free program offers some useful system details to those savvy enough to understand its results. SpeedFan's tabbed interface isn't hard to navigate, but most users won't be able to make head or tail of the data this utility provides. The program's system-tray icon tells you the temperature of your PC's hard drive, and you can receive information on voltage and fan speeds.

The utility can display SMART data and includes a tool for resetting motherboard clocks. Basically, if this review makes no sense to you, SpeedFan is above your head and won't be worth downloading. However, PC technicians and those who like to do their own system maintenance might as well take a look at this application, particularly since it costs nothing.

Publisher's description

From the developer: "SpeedFan monitors fan speeds, temperatures and voltages in computers with hardware monitoring chips. SpeedFan can even access S.M.A.R.T. info for those hards disks that support this feature (almost all :-)) and show hard disk temperatures too, if supported. At the lowest level, SpeedFan is an hardware monitoring software, but its main feature is that it can control the speed of the fans (depending on your sensor chip) according to the temperatures inside your pc, thus reducing noise and power consumption. Most Winbond sensors and ASUS AS99127F support fan speed changing, as well as others from MYSON, ANALOG DEVICES, NATIONAL SEMICONDUCTORS and ITE, but the motherboard should make use of available pins."

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