The pea size n rice grain size in some cases simple doesnt cut it anymore due to the size of the Die's.(rice grain size for sure, pea size you can still get un-covered corners of the die....I have changed over to spread....even "x" is better to ensure covering the entire die, just a bit messier....
 
- idle temp of GPU (3080Ti FTW3) is always within 1-2c of ambient room temp (generally 21c)
- Maximum load temp of GPU with 99% load over a few hours is 46c
- As soon as I close my GPU intensive Program it takes about 5 min for the GPU to settle from load temp 46c to room temp idle.
9*120mm Rads
D5 Vario "set n forget" at 2900 RPM
Fans "set n forget" 1450 RPM

rjbarker
The pea size n rice grain size in some cases simple doesnt cut it anymore due to the size of the Die's.(rice grain size for sure, pea size you can still get un-covered corners of the die....I have changed over to spread....even "x" is better to ensure covering the entire die, just a bit messier....
 
- idle temp of GPU (3080Ti FTW3) is always within 1-2c of ambient room temp (generally 21c)
- Maximum load temp of GPU with 99% load over a few hours is 46c
- As soon as I close my GPU intensive Program it takes about 5 min for the GPU to settle from load temp 46c to room temp idle.
9*120mm Rads
D5 Vario "set n forget" at 2900 RPM
Fans "set n forget" 1450 RPM

I used a credit card to spread a thin layer of thermal paste with the last card I blocked, which is a 3080 Ti FTW3. Mine too is within 1-2° of ambient at idle, but it takes a bit longer to come down from a heavy load probably because I have less cooling space than you (two 360 radiators). I’ve got my D5 pump set to max, and fans around 1250 RPM with a ramp up to max starting at 65° and ending at 85°. This is the same setup I had with my 2080 Ti, but that card ran a bit hotter. I’m wondering if it’s because I used the “pea size” method of applying thermal paste for that, or if the 3080 Ti is more power-efficient (less heat waste).

Question for you guys: Do you experience what sounds like coil whine using the EK Quantum Vector FTW 3080/3090 water block and backplate? I had it with my 2080 Ti and even worse with my 3080 Ti. However, I came across a Reddit thread about how it’s caused by a couple of thermal pads on the back of the card. Since I have soft tubing, I was able to carefully remove the backplate without disassembling my loop to remove those pads as an experiment. Well, it worked. I can still hear it, but only if I put my ear right up to the case and only just barely. Before, I was able to hear it outside of the room my PC is in. Below is the link for reference and there’s an image URL in one of the comments that illustrates which pads are the culprit, although it was a 3080 XC3 in question.

https://www.reddit.com/r/...il_whine_resolved_see/

ObscureEmpyre
Question for you guys: Do you experience what sounds like coil whine using the EK Quantum Vector FTW 3080/3090 water block and backplate? I had it with my 2080 Ti and even worse with my 3080 Ti. However, I came across a Reddit thread about how it’s caused by a couple of thermal pads on the back of the card. Since I have soft tubing, I was able to carefully remove the backplate without disassembling my loop to remove those pads as an experiment. Well, it worked. I can still hear it, but only if I put my ear right up to the case and only just barely. Before, I was able to hear it outside of the room my PC is in. Below is the link for reference and there’s an image URL in one of the comments that illustrates which pads are the culprit, although it was a 3080 XC3 in question.

https://www.reddit.com/r/...il_whine_resolved_see/

When I waterblocked my first 3090 FTW3 with the EKWB waterblock (with non active backplate, and then later with the active backplate), I heard a fair amount of coil whine. When that card died, I put its RMA replacement in my system for a while with the stock cooler. Knowing what to listen for, I could hear coil whine with the card in its stock configuration. I was having other problems, someone suggested the possibility of a power supply capacity issue, and I'd also read someplace that coil whine could be caused by a power supply, so I went ahead and replaced my Seasonic 850w PSU with a Seasonic 1300w PSU and... my coil whine stopped. When I re-waterblocked the card (with the EKWB active backplate) I have just the tiniest amount of coil whine, which could have been present but masked by the stock cooler (I don't know anyone who wasn't as intimately familiar with the system as me would hear it).

So my experience lends credence to the PSU notion, and against the bacckplate notion, as I heard the whine both in a stock configuration, and with different backplates. FWIW.

PoobahB

ObscureEmpyre
Question for you guys: Do you experience what sounds like coil whine using the EK Quantum Vector FTW 3080/3090 water block and backplate? I had it with my 2080 Ti and even worse with my 3080 Ti. However, I came across a Reddit thread about how it’s caused by a couple of thermal pads on the back of the card. Since I have soft tubing, I was able to carefully remove the backplate without disassembling my loop to remove those pads as an experiment. Well, it worked. I can still hear it, but only if I put my ear right up to the case and only just barely. Before, I was able to hear it outside of the room my PC is in. Below is the link for reference and there’s an image URL in one of the comments that illustrates which pads are the culprit, although it was a 3080 XC3 in question.

https://www.reddit.com/r/...il_whine_resolved_see/

When I waterblocked my first 3090 FTW3 with the EKWB waterblock (with non active backplate, and then later with the active backplate), I heard a fair amount of coil whine. When that card died, I put its RMA replacement in my system for a while with the stock cooler. Knowing what to listen for, I could hear coil whine with the card in its stock configuration. I was having other problems, someone suggested the possibility of a power supply capacity issue, and I'd also read someplace that coil whine could be caused by a power supply, so I went ahead and replaced my Seasonic 850w PSU with a Seasonic 1300w PSU and... my coil whine stopped. When I re-waterblocked the card (with the EKWB active backplate) I have just the tiniest amount of coil whine, which could have been present but masked by the stock cooler (I don't know anyone who wasn't as intimately familiar with the system as me would hear it).

So my experience lends credence to the PSU notion, and against the bacckplate notion, as I heard the whine both in a stock configuration, and with different backplates. FWIW.

I ran my 3080 Ti with the stock cooler for a couple of weeks while I waited for the EK block and backplate, and I could hear a faint amount of coil whine. It was actually more noticeable with the stock cooler than it is now with those two specific thermal pads removed using the EK backplate. As for a PSU being the culprit, I'd read that and tried three different PSUs with both stock cables and aftermarket individually-sleeved ones. The whine was still present with any of the PSUs I tested (1 EVGA and 2 Corsair). Also, when I put the stock cooler back on my 2080 Ti after upgrading to a 3080 Ti, the whine seemed to have subsided substantially. It just seems to me that there's either too much or not enough pressure from the backside pads when using an EK backplate.

ObscureEmpyre
Question for you guys: Do you experience what sounds like coil whine using the EK Quantum Vector FTW 3080/3090 water block and backplate? I had it with my 2080 Ti and even worse with my 3080 Ti. However, I came across a Reddit thread about how it’s caused by a couple of thermal pads on the back of the card. Since I have soft tubing, I was able to carefully remove the backplate without disassembling my loop to remove those pads as an experiment. Well, it worked. I can still hear it, but only if I put my ear right up to the case and only just barely. Before, I was able to hear it outside of the room my PC is in. Below is the link for reference and there’s an image URL in one of the comments that illustrates which pads are the culprit, although it was a 3080 XC3 in question.

https://www.reddit.com/r/...il_whine_resolved_see/

Hey Obscure.....I had a couple of 780Ti's and 1080Ti's (SLi) also w EK Blocks and I think we are just more "sensitive" to the high pitched / frequency "squeal / whine" (white noise) we hear as we dont have any racket from GPU fans to drown it out....you know what I mean?
Sometimes the 3080Ti I notice it (if I really listen and focus on it) other times dont really notice it......completely bearable vs the GPU Fans imho....
Interesting though removing the pads....good find my friend!
 
I too am old school and my loop is 3/8 - 5/8 flex tubes...dont have the patience for hard tubes at this stage ;) My Loop hasnt changed (other than components and replaced the D5 Vario pump once) since 2013/14...still using the same BP fittings amd Rads ;)
Replaced the "O-Rings" in the BP fittings as well...and of course replace the tubing on average may once ever 18 months when I get off my lazy butt and flush the system or when I replace a component...I use EK clear concentrate coolant w distilled.
 
And yes I can confirm the 3080Ti FTW3 with its power draw really increases temp. For example the 3080Ti FTW3 under full load in my loop maxes at 46c...while waiting on my RMA I threw the Evga 1080Ti SC Black w EK Block back in the same loop and the highest temp it would reach was around 34c ....playing either SOTR or CP77.....same CPU (9900K) OC....so I would think your 2080 Card likely running cooler than these power beasts ;)
 
 

ObscureEmpyre
Question for you guys: Do you experience what sounds like coil whine using the EK Quantum Vector FTW 3080/3090 water block and backplate? I had it with my 2080 Ti and even worse with my 3080 Ti. However, I came across a Reddit thread about how it’s caused by a couple of thermal pads on the back of the card. Since I have soft tubing, I was able to carefully remove the backplate without disassembling my loop to remove those pads as an experiment. Well, it worked. I can still hear it, but only if I put my ear right up to the case and only just barely. Before, I was able to hear it outside of the room my PC is in. Below is the link for reference and there’s an image URL in one of the comments that illustrates which pads are the culprit, although it was a 3080 XC3 in question.

https://www.reddit.com/r/...il_whine_resolved_see/

You will often notice louder coil whine with waterblocks.  The card had coil whine before the waterblock.  However waterblocks can amplify the sound of coil whine because they are large metal objects that transmit vibrations(noise) very well.

Jinatsuu
Hey Guys, first time water Cooling and trying to figure out if I have to go through the pain of draining my loop and opening/tightening the water block some more or maybe change out the pads. My main components are in my signature as for what I have set up and water cooling parts below. Will mention the case I have is an open air case as well. 
So main thing is that this does seem abit too hot for the memory on the back but haven't really seen anyone else's numbers to compare against. I'm currently running stock clocks since I wanted to get a base line before I tried any OC. 

• EK - CoolStream Classic PE 360 x2
• K-Quantum Kinetic TBE 300 D5 PWM D-RGB - Plex
• Front and Active Back Plate for ftw3 with the revised standoffs
• x3 EK Vader Fans on both Radiators

 
GPU Temps - Tested with port royal
Idle: (GPU)27.8-30C (Mem)  36-38c (water) 29c 
Load: (GPU)57.8C (Mem)  74c (water) 37c-38c
Pump set to about 70% (still experimenting on where I want to adjust this)
Fans are set to 100% when water temp hits 35c 
(clockspeed) 1950 (memclock) 1219
 
This is at the 450 Watt Range ( 119% on power slider in msi after burner)
 
Edit: added wattage and clock speeds
 
Thanks for any info and tips as someone's first attempt at water cooling!

That GPU load temperature is a little high for a water cooled GPU.  How much does it drop with a higher pump speed?

bavor

Jinatsuu
Hey Guys, first time water Cooling and trying to figure out if I have to go through the pain of draining my loop and opening/tightening the water block some more or maybe change out the pads. My main components are in my signature as for what I have set up and water cooling parts below. Will mention the case I have is an open air case as well. 
So main thing is that this does seem abit too hot for the memory on the back but haven't really seen anyone else's numbers to compare against. I'm currently running stock clocks since I wanted to get a base line before I tried any OC. 

• EK - CoolStream Classic PE 360 x2
• K-Quantum Kinetic TBE 300 D5 PWM D-RGB - Plex
• Front and Active Back Plate for ftw3 with the revised standoffs
• x3 EK Vader Fans on both Radiators

 
GPU Temps - Tested with port royal
Idle: (GPU)27.8-30C (Mem)  36-38c (water) 29c 
Load: (GPU)57.8C (Mem)  74c (water) 37c-38c
Pump set to about 70% (still experimenting on where I want to adjust this)
Fans are set to 100% when water temp hits 35c 
(clockspeed) 1950 (memclock) 1219
 
This is at the 450 Watt Range ( 119% on power slider in msi after burner)
 
Edit: added wattage and clock speeds
 
Thanks for any info and tips as someone's first attempt at water cooling!

That GPU load temperature is a little high for a water cooled GPU.  How much does it drop with a higher pump speed?

Increasing pump speed will at most decrease GPU load 2c at best !!!  Unless the OP is running his / her pump at very very low RPM's.
 
2500 RPM to 3800 RPM no difference...to lower temps you need to increase rad space and fan speed .

rjbarker

bavor

Jinatsuu
Hey Guys, first time water Cooling and trying to figure out if I have to go through the pain of draining my loop and opening/tightening the water block some more or maybe change out the pads. My main components are in my signature as for what I have set up and water cooling parts below. Will mention the case I have is an open air case as well. 
So main thing is that this does seem abit too hot for the memory on the back but haven't really seen anyone else's numbers to compare against. I'm currently running stock clocks since I wanted to get a base line before I tried any OC. 

• EK - CoolStream Classic PE 360 x2
• K-Quantum Kinetic TBE 300 D5 PWM D-RGB - Plex
• Front and Active Back Plate for ftw3 with the revised standoffs
• x3 EK Vader Fans on both Radiators

 
GPU Temps - Tested with port royal
Idle: (GPU)27.8-30C (Mem)  36-38c (water) 29c 
Load: (GPU)57.8C (Mem)  74c (water) 37c-38c
Pump set to about 70% (still experimenting on where I want to adjust this)
Fans are set to 100% when water temp hits 35c 
(clockspeed) 1950 (memclock) 1219
 
This is at the 450 Watt Range ( 119% on power slider in msi after burner)
 
Edit: added wattage and clock speeds
 
Thanks for any info and tips as someone's first attempt at water cooling!

That GPU load temperature is a little high for a water cooled GPU.  How much does it drop with a higher pump speed?

Increasing pump speed will at most decrease GPU load 2c at best !!!  Unless the OP is running his / her pump at very very low RPM's.
 
2500 RPM to 3800 RPM no difference...to lower temps you need to increase rad space and fan speed .

I have two other 3090s that I've recorded temperatures on with EKWB blocks.  Both of them didn't exceed 50C in Port Royal stress tests while drawing about 480-500 watts.  His nearly 58C GPU temps seem rather high unless he is using a really small radiator.  However he has two 360mm radiators according to the above posts.  I've seen pump speeds make significant temperature improvements in water cooled 3090s under load.