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[Official] Scythe GentleTyphoon club - Page 44

post #431 of 3068
^ That's awesome news, that should make a huge difference to price.
Hopefully they also become available to Australia in reasonable time-frame.

Then again if I'm ordering one for Martin who's in the US...
Then I guess I'm best-off buying from a US based retailer!
Edited by jalyst - 12/9/10 at 9:00am
post #432 of 3068
I just looked. I noted on that thread that the AP-29, the AP-30 and the AP-31 are not PWM fans. The two higher speed fans will require fan controllers, no mb need apply. I'm glad Nathan is getting PWM fans.
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post #433 of 3068
^ Huh, not sure what you mean...
Didn't Bing recently post he had a PWM version that was 5400 RPM?
Just split-off the power directly to the PSU and the rest goes to the mobo.
post #434 of 3068
Just careful when ordering, that 5400 rpm that Scythe going to release is non pwm version, from this pic here -> http://www.facebook.com/photo.php?pi...36028846415034 and the part no shows D1225C12BBAP-31 5400RPM that is a standard 3 wires fan that needs under voltage to slow it, and imo for high power fan, I suggest 4 wires PWM version, lay man term, 4 wires pwm fan is the latest standard in dc fan speed control and "better".

Watch this close up of my 5400 rpm pwm version below, the part no is D1225C12BBZP-00, that "Z" means PWM version, also it has the 4th blue wire for the pwm control signal that is not available at the Scythe's pic above.


Fyi, Nidec Servo part number scheme info here -> http://www.nidec.com/servo_part_numbers1.htm

Dunno why Scythe doesn't provide the PWM version.
Edited by Bing - 12/8/10 at 9:37pm
post #435 of 3068
^ well that blows, guess I'll have to continue trying to order direct from japan
post #436 of 3068
Quote:
Originally Posted by jalyst View Post
^ well that blows, guess I'll have to continue trying to order direct from japan
I guess that non PWM version is significantly cheaper and probably Scythe saw it will be way too expensive for end user's price and make it not competitive, not sure though.

Just fyi, at the electronic design and the material for the circuit inside the fan, the 4 wires pwm version is more complex circuit and needs a lot more components than the legacy 3 wires version.
post #437 of 3068
Quote:
Originally Posted by Bing View Post
Just fyi, at the electronic design and the material for the circuit inside the fan, the 4 wires pwm version is more complex circuit and needs a lot more components than the legacy 3 wires version.
Does that mean it won't be as reliable as the legacy 3-wire version?
Maybe I should look at a dedicated fan controller...
I had ruled-it-out thinking most modern mobo's/fans should be sufficient.
Anyone know of some excellent dedicated fan controllers?
Sorry for the OT question....
post #438 of 3068
Look at the Lamptron fan controllers, there probably the best retail versions on the market, and are able to support high powered fans like these
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post #439 of 3068
Quote:
Originally Posted by jalyst View Post
Does that mean it won't be as reliable as the legacy 3-wire version?
Maybe I should look at a dedicated fan controller...
I had ruled-it-out thinking most modern mobo's/fans should be sufficient.
Anyone know of some excellent dedicated fan controllers?
Sorry for the OT question....
No, the reliability of the fan mainly will be the same since the weakest part is the mechanical, its just the difference at the mechanism to control a dc fan, the pwm method using the 4th wire is the latest generation which provides a lot of advantages over the classic 3 wires fan.

Just scroll to the bottom and read the summary at the end of the good article on controlling fan here -> Why and How to Control Fan Speed for Cooling Electronic Equipment

The main advantage is with only "SINGLE" 4 pins fan header at the mobo, usually the cpu fan is enough to "control & orchestrate" many fans at once with this 4th PWM signal at each fan without using those pesky classic fan controller that must going thru the headache of choosing the correct wattage that can power those fans.

Of course there is a fan controller that specifically for these 4 wires pwm fan, unfortunately currently no body sell it, you have to build your self like Martin did here -> http://www.overclock.net/water-cooli...ontroller.html, he is going to use it in his upcoming 4 wires PWM fans review edition.
Edited by Bing - 12/8/10 at 10:19pm
post #440 of 3068
I cant seem to find a local distributor for Nidec. Tried this last evening, but didnt get too far. Any web pages linking local retailers for India?
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