SpeedFan 4.34 - Free download and software reviews - CNET Download.com

SpeedFan

CNET Editors' review

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

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All User Reviews
  • All versions:

    3.6 stars

    out of 349 votes

    • 5 star: 114
    • 4 star: 113
    • 3 star: 49
    • 2 star: 24
    • 1 star: 49
  • Current version:

    4.1 stars

    out of 18 votes

    • 5 star: 8
    • 4 star: 6
    • 3 star: 3
    • 2 star: 0
    • 1 star: 1
  • My rating:

    0 stars

    Write review

Results 1-10 of 17

  • 3.0 stars

    "Didn't work for me"

    February 14, 2009  |   By apaggeot

    Version: SpeedFan 4.34

    Pros

    Unknown, never worked for me

    Cons

    My Toshiba Satellite A75S2061 P4 2.8ghtz, 1.5g ram, win xp pro sp3, puked when I tried to run it.

    Summary

    no idea if this works or not - I uninstalled it

    Reply to this review

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  • 4.0 stars

    "Fairly good software, few problems though!"

    February 3, 2009  |   By KlingonBatleth

    Version: SpeedFan 4.34

    Pros

    Wide variety of measurements including temperature, fan speeds, and PSU voltage.
    Has a real-time graph showing the different measurements.

    Cons

    The temperature measurements are not always accurate.
    Do not always know which measurement is for which hardware.

    Summary

    This is a great utility for a quick glance at your system temperature, fan speeds and voltage. You can view a visual graph so any flucutations can be easily spotted. I have found that temperatures are sometimes wrongly reported - such as my CPU running at 127 degrees!!! It seems if your motherboard has automatic fan speed control based on CPU temperature, then SpeedFan cannot accurately measure the CPU temperature. It produces a list of measurements, and it can be difficult to know which measurement is for which hardwre, e.g. which temperature is for CPU core 1, CPU core 2, and motherboard?

    A great little free software, but you might need a second opinion from another measurement software.

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  • 4.0 stars

    "Very Usefull"

    December 21, 2008  |   By theknutt

    Version: SpeedFan 4.34

    Pros

    Tjis program is very usefull with the information it provides. My CPU temp is at idle 111f and shoots up to 140f during video processing. This alarmed me to get a better CPU cooler. The hard drive info. was usefull too, 115f avr.

    Cons

    the only lack of star was the window size could be adjustable, but that's really no biggie

    Summary

    This product for the novice is really usefull, but it can be damaging. It as for information it provides it's indispencable. But be carefull changing somethings! The fan speed adjustment was great in maintaining lower temps during load.

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  • 5.0 stars

    "A great program for temps, SMART data"

    November 7, 2008  |   By CNETBrianD

    Version: SpeedFan 4.34

    Pros

    good program, monitors CPU, case, HDDs, and graphics temps. Also shows HDD condition based on smart condition

    Cons

    You need the sensors.

    Summary

    It's a great program.
    Right now, my CPU is 42C, my HDD 37C, and my case 35C. A little hot, but not bad...

    But this is more for advanced users who can understand such data...

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  • 5.0 stars

    "Great product..."

    October 29, 2008  |   By ltcmdrdata

    Version: SpeedFan 4.34

    Pros

    It does what it says it will do: keeps you informed of the CPU and drive temperatures in your 'puter. That's what I need with a laptop, and that's what it does. Can't ask for any more... A+ product! :)

    Cons

    It has some superfluous features, and its instructions are a bit to the complex side. I am a user-side operator, and getting everything out of this app requires a bit of expertise. However, it does what I need it to, so it's all good...

    Summary

    I recommend it. If you want the temperature in your machine logged and monitored, this is the program for you... runs seamlessly, also...

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  • 5.0 stars

    "Great program, better than the motherboard software"

    September 11, 2008  |   By tj1097

    Version: SpeedFan 4.34

    Pros

    Its a really great program, detects more sensors than my software that came with my motherboard

    Cons

    You have to be careful with the motherboard settings

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  • 4.0 stars

    "Best teperature control yet!!!!!!!!!!!!!!!"

    August 9, 2008  |   By ghdancer40

    Version: SpeedFan 4.34

    Reply to this review

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  • 5.0 stars

    "Great freeware app."

    July 27, 2008  |   By ritchie58

    Version: SpeedFan 4.34

    Pros

    It really depends on what type of motherboard you have as to how configurable this application is. You can go to their web site to view a list of motherboards that are compatible with this software. Not a bad idea before you download and try this tool. With my motherboard I can monitor the cpu fan only. Temps. I get are the cpu, mainboard, hard drive and case. I have the cpu fan to run at a higher rpm if the cpu temperature goes above a certain level. I strongly urge you to read the tutorial before trying to configure this application.

    Cons

    There is a learning curve when it comes to setting this software properly. Not novice friendly at all. Even after reading the help files it took a good few hours of experimentation to understand how to use this application to the best advantage.

    Summary

    null

    Updated on Nov 2, 2008

    SpeedFan is a program that monitors voltages, fan speeds and temperatures in computers with hardware monitor chips. SpeedFan can access S.M.A.R.T. info for those hard disks that support this feature and show hard disk temperatures too, if supported. SpeedFan supports EIDE, SATA and SCSI disks. SpeedFan can even change the FSB on some hardware.

    At the lowest level, SpeedFan is a hardware monitor software that can access temperature sensors, but its main feature is that it can control fan speeds (depending on the capabilities of your sensor chip and your hardware) according to the temperatures inside your pc, thus reducing noise and power consumption. Several sensors, like Winbond's and the AS99127F support fan speed changing, as well as others from Maxim, Myson, Analog Devices, National Semiconductor and ITE.

    SpeedFan can find almost any hardware monitor chip connected to the 2-wire SMBus (System Management Bus, a subset of the I2C BUS) Serial Interface and to the ISA BUS.

    Reply to this review

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  • 4.0 stars

    "Very good software to observer your computer stats"

    June 12, 2008  |   By Sakura Kiss

    Version: SpeedFan 4.34

    Pros

    Uses it all of the time to check my computer temperature and HDD status. Really good software and i'm still using it now

    Cons

    slows my pc a little... well i can't really complain about it due to its useful functions

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  • 5.0 stars

    "Saved my Laptop"

    June 2, 2008  |   By phil8656

    Version: SpeedFan 4.34

    Pros

    Now I can keep track of the temp. But it's no longer a problem.

    Reply to this review

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Results 1-10 of 17

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