Fan swap on TX650V2

That's a whole different question, you may want to take the current fan out and check it's connector, voltage and precise size.
Andi.
 
According to a review that PSU has a Yate Loon D14BH-12 a 140mm Ball bearing that has a 2,800rpm top end. It is supposedly PWM controlled by the PSU and only has two wires. Any fan you put in its place will also be PWM controlled to the same extent.

The Spectre Pro has a top end of 1800rpm so is quite a bit slower so will move less air. Whether this is an issue will remain to be seen. Monitor your PSU exhaust temperatures and fan speed to make sure it isn't reaching a point where the fan cannot cope with the heat removal. That's what I did 4 or 5years ago and my modded PSU is running just fine and I went from 2500 to 1500rpm

Traditionally PSU designers have over-compensated the fan speed. Modern PSUs shouldn't be producing that much heat that a near 3000rpm fan is required.
 
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Tealc said:
According to a review that PSU has a Yate Loon D14BH-12 a 140mm Ball bearing that has a 2,800rpm top end. It is supposedly PWM controlled by the PSU and only has two wires. Any fan you put in its place will also be PWM controlled to the same extent.

The Spectre Pro has a top end of 1800rpm so is quite a bit slower so will move less air. Whether this is an issue will remain to be seen. Monitor your PSU exhaust temperatures and fan speed to make sure it isn't reaching a point where the fan cannot cope with the heat removal. That's what I did 4 or 5years ago and my modded PSU is running just fine and I went from 2500 to 1500rpm

Traditionally PSU designers have over-compensated the fan speed. Modern PSUs shouldn't be producing that much heat that a near 3000rpm fan is required.
Click to expand...


Thanks for the reply.
I have seen the data about the fan and its seem to move 140 CMF at 2800rpm, whilst the Bitfenix does 122 which is close enough and closer to anything else I could find thats not and angle grinder....I will just have to resolder the connector on the bitfenix to the old wires I guess...Does PSU have any temp measurements in like HW monitor ? I want this PSU to run one 970 gtx and i5 2400 for a very light occasional gaming....
 
I doubt if the PSU will report temperature. I used a small usb temperature device and did it that way.
 
Another thing you need to factor in is the start voltage of the fan as well. Some fans start at different voltages so if you swap in a fan that starts at a higher voltage than the one you replace the PSU may think the fan is on when it isn't.

You should also look into the pressure curve of the fan, the spectre might not have such high pressure at a slower rotation speed compared to the stock fan. The stock fan might not go to its full range and produce its maximum pressure, for instance the PSU may only deliver 10v to the fan, but you also need to consider that the spectre would then also only be getting 10v and not go to it's full range.

When I was looking into this for my own PSU I found a channel on youtube called CoolingTechnique which did noise tests for fans but also displayed a chart detailing start voltage, CFM and pressure at a given voltage. I then compared this to the manufacturer's spec sheet chart of my PSU's fan and found a review of my PSU which luckily recorded max voltage to the PSU fan (think that might have been silent pc or something).

After all this research I decided instead to sack the whole lot off, oil my current fan's bearing and wait until I could afford a new PSU down the line instead :D.

(Here's a link to a video on that channel I was talking about, you can see the chart around 8 seconds in: https://www.youtube.com/watch?v=rFzqynEOXlA)
 
Pulseammo said:
Another thing you need to factor in is the start voltage of the fan as well. Some fans start at different voltages so if you swap in a fan that starts at a higher voltage than the one you replace the PSU may think the fan is on when it isn't.

You should also look into the pressure curve of the fan, the spectre might not have such high pressure at a slower rotation speed compared to the stock fan. The stock fan might not go to its full range and produce its maximum pressure, for instance the PSU may only deliver 10v to the fan, but you also need to consider that the spectre would then also only be getting 10v and not go to it's full range.

When I was looking into this for my own PSU I found a channel on youtube called CoolingTechnique which did noise tests for fans but also displayed a chart detailing start voltage, CFM and pressure at a given voltage. I then compared this to the manufacturer's spec sheet chart of my PSU's fan and found a review of my PSU which luckily recorded max voltage to the PSU fan (think that might have been silent pc or something).

After all this research I decided instead to sack the whole lot off, oil my current fan's bearing and wait until I could afford a new PSU down the line instead :D.

(Here's a link to a video on that channel I was talking about, you can see the chart around 8 seconds in: https://www.youtube.com/watch?v=rFzqynEOXlA)
Click to expand...

Thanks for the info, the bitfenix has start voltage at 5VDC as per their site the Yate Loon D14BH-12 is between 4-4.5V not sure how much that could be a problem but I have seen a bloke on ytb failed miserably as he was trying to use noctua and that has much higher start voltage... Id like to salvage that PSU if I can so I might give it a try anyways. I have 2 new PSUs for my mail build and my htpc so this would be just ad hoc gaming machine but mostly used for skype and internet browsing....
 
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