How many casing fans do you need in your system

[Chiyawa]

Hi,

 

Just curious, how many casing fans do you have for your build?

 

I recently build one system, with Ryzen 5 3600, Vega 64, Gigabyte X570 Pro WiFi ATX, some HDD, and 750W power supply. The case is Thermal Take Versa H26, acrylic panel. The system only has 2 120mm fans, one at the rear, one at the front. The inside of the case is quite warm when playing AAA games and rendering video and 3D models. Definitely need more fans to cool the system.

 

Also, are there any 1500rpm fans available?

[WoodenMarker]

What are your temps? 2 case fans is usually enough for most systems. 

[Chiyawa]

 

 

Goes a bit over 80 degrees. The Buzzer gave a buzzing alarm (I set at 80, so at least I know it works). System began to throttle down a bit. It is normal.

 

Anyway, my room temperature is 36 degrees. Non air-condition room.

 

Everything in Celsius.

[WoodenMarker]

14 minutes ago, Chiyawa said:

Goes a bit over 80 degrees. The Buzzer gave a buzzing alarm (I set at 80, so at least I know it works). System began to throttle down a bit. It is normal.

Anyway, my room temperature is 36 degrees. Non air-condition room.

Everything in Celsius.

The cpu, gpu, or both?

Make sure to quote a post or tag a member when replying or else they won't get a notification that you replied to them.

[Chiyawa]

1 minute ago, WoodenMarker said:

The cpu, gpu, or both?

Make sure to quote a post or tag a member when replying or else they won't get a notification that you replied to them.

Well, I'm still figuring how to check the GPU temp, but my CPU temp rises close to 85 C. I fear that the hot air trap inside the case and couldn't vent out properly. Case fans reported to spin at around 1000 rpm, and I'm not sure how to get them higher.

 

Well, I tried to insert your quote, but I can't insert it once I posted. I tried edit it, but the quote couldn't be added.

[WoodenMarker]

2 minutes ago, Chiyawa said:

Well, I'm still figuring how to check the GPU temp, but my CPU temp rises close to 85 C. I fear that the hot air trap inside the case and couldn't vent out properly. Case fans reported to spin at around 1000 rpm, and I'm not sure how to get them higher.

I personally use Msi Afterburner.

The stock case fan only goes up to 1000rpm. 

Depending on how much you have to spend, getting a better cpu cooler or adding another front intake could definitely help.

[191x7]

Put the rear fan to the front, and add a new faster fan at the back.

 

Consider bying a better CPU cooler like the Snowman from AliExpress ($20).

[Chiyawa]

1 hour ago, WoodenMarker said:

I personally use Msi Afterburner.

The stock case fan only goes up to 1000rpm. 

Depending on how much you have to spend, getting a better cpu cooler or adding another front intake could definitely help.

I see. So, the stock fan could go 1000rpm. Do you know if there's any 120mm fan that can go higher (around 1500rpm and above)?

Well, right now I don't really have budget for good CPU cooler. Will see about that.

 

1 hour ago, 191x7 said:

Put the rear fan to the front, and add a new faster fan at the back.

 

Consider bying a better CPU cooler like the Snowman from AliExpress ($20).

Hmm... Okay, I see what I can do.

[Boyohan]

47 minutes ago, Chiyawa said:

I see. So, the stock fan could go 1000rpm. Do you know if there's any 120mm fan that can go higher (around 1500rpm and above)?

Well, right now I don't really have budget for good CPU cooler. Will see about that.

 

Hmm... Okay, I see what I can do.

The problem you have is probably caused by the ambient temp in your room. 36C is quite high so I am guessing you live somewhere warm . "normal" room temp (with good AC) is usually 22C-25C. Case fans that are included when you buy a case are (almost) never any good. A good quality fan is PWM controlled and can go from 500 to +2000rpm. A couple of extra fans can help but how much they will improve your temps is hard to predict with your high ambient temps.

[WoodenMarker]

12 hours ago, Chiyawa said:

I see. So, the stock fan could go 1000rpm. Do you know if there's any 120mm fan that can go higher (around 1500rpm and above)?

Well, right now I don't really have budget for good CPU cooler. Will see about that.

Where are you shopping / located? Budget?

[Chiyawa]

17 hours ago, Boyohan said:

The problem you have is probably caused by the ambient temp in your room. 36C is quite high so I am guessing you live somewhere warm . "normal" room temp (with good AC) is usually 22C-25C. Case fans that are included when you buy a case are (almost) never any good. A good quality fan is PWM controlled and can go from 500 to +2000rpm. A couple of extra fans can help but how much they will improve your temps is hard to predict with your high ambient temps.

I live in Malaysia, which explain the high ambient temperature. I think most PC casing fan runs PWM (unless it's old one).

So, do you think AIO liquid cooling helps?

 

5 hours ago, WoodenMarker said:

Where are you shopping / located? Budget?

I stay nearby Kuala Lumpur, and usually go to Low Yat, a famous IT shopping complex, for PC parts. However, PC parts in Malaysia are generally pricier than what PC Part Picker offers. My new build system cost extra USD 100 compare to PPP.

[WoodenMarker]

2 hours ago, Chiyawa said:

I live in Malaysia, which explain the high ambient temperature. I think most PC casing fan runs PWM (unless it's old one).

So, do you think AIO liquid cooling helps?

Most stock case fans don't support pwm.

Most AIO coolers would be better than stock but there's nothing special about the category that makes it better than air coolers. 

Budget?

[Boyohan]

3 hours ago, Chiyawa said:

I live in Malaysia, which explain the high ambient temperature. I think most PC casing fan runs PWM (unless it's old one).

So, do you think AIO liquid cooling helps?

 

I stay nearby Kuala Lumpur, and usually go to Low Yat, a famous IT shopping complex, for PC parts. However, PC parts in Malaysia are generally pricier than what PC Part Picker offers. My new build system cost extra USD 100 compare to PPP.

I would say. Throw away the stock fans and buy 4 new fans with high static pressure. You probably also need a better CPU cooler. There is not much difference in performance between a AIOs and air coolers so I would say buy a medum/big air cooler as these are usually cheaper than AIOs. 

 

I would upgrade the cooling in two steps.

1 - Start by replacing the stock fans (2 intake + 2 exhaust, your temps will drop but hard to say how much).

2 - Replace your CPU cooler if needed.

[Chiyawa]

2 hours ago, Boyohan said:

I would say. Throw away the stock fans and buy 4 new fans with high static pressure. You probably also need a better CPU cooler. There is not much difference in performance between a AIOs and air coolers so I would say buy a medum/big air cooler as these are usually cheaper than AIOs. 

 

I would upgrade the cooling in two steps.

1 - Start by replacing the stock fans (2 intake + 2 exhaust, your temps will drop but hard to say how much).

2 - Replace your CPU cooler if needed.

Okay. I'll think about it.

 

4 hours ago, WoodenMarker said:

Most stock case fans don't support pwm.

Most AIO coolers would be better than stock but there's nothing special about the category that makes it better than air coolers. 

Budget?

I see. Thanks for the info.

 

4 hours ago, Caroline said:

I have 2 as well (80mm though, my case is old but I like it anyway) and similar ambient temp, PC gets warm but not to the point of throttling so I'm ok with that.

 

If you want better airflow you'll need 2 more fans, add an extra intake, move the rear fan to the top and add another one next to it. Also, you don't need fans that cost $50 each, there are cheaper fans that will do the trick if you're on a tight budget, even the standard black ones will happily remove all that heat from your system and typically the only bad thing about those is noise, fans like that will always run at full blast, depending on the fan that can be a pleasant 1000RPM or up to 3000RPM (the smaller ones are even worse) you can regulate that with a voltage controller though, even a simple 3-position switch can do the trick, if you know how to wire it you can make the fan go off when not in use, work with 5V which would be sort of a silent mode or the usual 12V when you're gaming or rendering a file. That's what I do.

Yeah, I try to find those fans, I don't mind the noise, but they are quite rare in my area. Most 120mm casing fans sold over here only spins at 1000-1200 rpm.

[WoodenMarker]

What's your budget?

[Chiyawa]

11 hours ago, WoodenMarker said:

What's your budget?

Currently, no budget was set, as I'm flat out. But if I have, maybe around USD 11 (RM50).

[WoodenMarker]

2 hours ago, Chiyawa said:

Currently, no budget was set, as I'm flat out. But if I have, maybe around USD 11 (RM50).

If you can stretch the budget a little bit, you can get a Kaze Flex 120 RGB PWM from C-Zone for RM55. I'd use it as rear exhaust and move the previous fan to the front as intake.

Otherwise, the MasterFan 140 Air Flow is RM45 from Jayacom and can be used as top intake with the top filter or as exhaust without.

[Chiyawa]

5 hours ago, WoodenMarker said:

If you can stretch the budget a little bit, you can get a Kaze Flex 120 RGB PWM from C-Zone for RM55. I'd use it as rear exhaust and move the previous fan to the front as intake.

Otherwise, the MasterFan 140 Air Flow is RM45 from Jayacom and can be used as top intake with the top filter or as exhaust without.

I spotted Cooler Master Sickle Flow (I think) 120mm single colour LED selling for RM29 per piece. Good deal?

[WoodenMarker]

9 hours ago, Chiyawa said:

I spotted Cooler Master Sickle Flow (I think) 120mm single colour LED selling for RM29 per piece. Good deal?

No, they're not very good. 

[Chiyawa]

6 hours ago, WoodenMarker said:

No, they're not very good. 

I see. Anyway, I have tested out with 2 units, and the heat can be extracted from the casing. Not really ideal, but I guess it gets the job done for now. I have to place them at the top of the case as exhaust. I haven't stress test the system, but when I game, the system is cooler than before.

 

Also, I have to adjust fan speed for my CPU and GPU. My CPU fan runs at full speed, while my GPU runs at a certain speed depending on the temperature (higher than the original config). It's a bit noisy, but I don't mind since I'm wearing a headphone all the time.

 

Well, I'll be looking at much better cooling solution, but guess it'll have to wait for next month until my pays arrive.

 

Just a small thought: If I can get a fan something like my VGA card, that'll be nice, as it can run over 3000rpm. I wonder if there's this thing called blower for PC case fan. Then again, I guess the motherboard couldn't support it as the max current is 2A only.

[WoodenMarker]

3 hours ago, Chiyawa said:

Just a small thought: If I can get a fan something like my VGA card, that'll be nice, as it can run over 3000rpm. I wonder if there's this thing called blower for PC case fan. Then again, I guess the motherboard couldn't support it as the max current is 2A only.

Blower fans for general system cooling are usually not as good. They're most viable when tightly integrated, often into a customized system design and cooling layout. 

The blower style cooler on the graphics card relies on good fresh air intake which seems to be exactly what you're lacking. Using the top as exhaust doesn't really help that.

[Chiyawa]

On 9/20/2019 at 1:23 PM, WoodenMarker said:

Blower fans for general system cooling are usually not as good. They're most viable when tightly integrated, often into a customized system design and cooling layout. 

The blower style cooler on the graphics card relies on good fresh air intake which seems to be exactly what you're lacking. Using the top as exhaust doesn't really help that.

Well, It's a bit strange, but my graphic card vent it's exhaust upwards where the CPU is, and this makes the CPU couldn't cool down as all the warm air trap in that area. I try using the top as intake, but that doesn't help much as the hot air from the GPU will counter the airflow, and the hot air will spread in the case, making all the temps getting a warm 60 degrees C readings. I will need a blower at my rear exhaust if that's the case.

 

Oh, I should mention that my GPU is Gigabyte RX Vega 64 with dual fan. To my surprise, the fan operates that it sucks the air into the heatsink and vent it out at the centre. You can check the illustration at the official website:

https://www.gigabyte.com/Graphics-Card/GV-RXVEGA64GAMING-OC-8GD#kf

[WoodenMarker]

3 hours ago, Chiyawa said:

Well, It's a bit strange, but my graphic card vent it's exhaust upwards where the CPU is, and this makes the CPU couldn't cool down as all the warm air trap in that area. I try using the top as intake, but that doesn't help much as the hot air from the GPU will counter the airflow, and the hot air will spread in the case, making all the temps getting a warm 60 degrees C readings. I will need a blower at my rear exhaust if that's the case.

 

Oh, I should mention that my GPU is Gigabyte RX Vega 64 with dual fan. To my surprise, the fan operates that it sucks the air into the heatsink and vent it out at the centre. You can check the illustration at the official website:

https://www.gigabyte.com/Graphics-Card/GV-RXVEGA64GAMING-OC-8GD#kf

Ah, that's an open air styled cooler and not a blower. The heat is exhausted out the sides of the card as opposed to upwards. 

Like this:

Spoiler

The main difference it makes to system cooling is that it also relies on the system airflow for exhausting the heat as opposed to just expelling it all out the rear and only requiring good intake. 

In that case, using the top and rear as exhaust would be better. 

60c isn't very high. 

[Chiyawa]

19 hours ago, WoodenMarker said:

Ah, that's an open air styled cooler and not a blower. The heat is exhausted out the sides of the card as opposed to upwards. 

Like this:

  Hide contents

The main difference it makes to system cooling is that it also relies on the system airflow for exhausting the heat as opposed to just expelling it all out the rear and only requiring good intake. 

In that case, using the top and rear as exhaust would be better. 

60c isn't very high. 

Yeah, after I set the top as an exhaust, my system cool way better.

 

Anyway, as of writing, I got a deal of ThermalTake Pure Plus 12 set, comes with 3 fans and 1 controller. I fixed 2 at the front (have to remove 1 of the stock fan) and 1 at the top (the most front), all configure as intakes, while retaining one of the stock fan and 2 Sickle Flow position at CPU area as exhaust. Now my system temperature is just slightly above room temperature.

 

Time for stress test and see how far it can go. Wish me luck.