Ryzen 3700x high temp on open loop

[Legacystar]

hello everyone,

 

first time on here, and hoping i can get some help.  i just built my first hardline open loop system, and i'm baffled by my CPU temps. under prime 95 i can get the CPU to 87c before i stop the test.

my GPU is running a chilly 38c under full load , so i know the pump is working and the radiator is large enough. I also had the fans all full speed for the test.

i'll list what i'm using as it pertains the the cooling.  anyone know what could be going on?

 

water block - Ek velocity AMD copper + PLexi

pump - EK D% pump res combo

RAD - 420mm

fans - x3 fractal design prisma AL14 @1700rpm

tuning- 16mm

TIM - Kryonaught 

 

[another_member]

Not quite sure, but I would say thay the hot liquid from the GPU is flowing directly to the CPU.

[ddennis002]

59 minutes ago, Legacystar said:

hello everyone,

 

first time on here, and hoping i can get some help.  i just built my first hardline open loop system, and i'm baffled by my CPU temps. under prime 95 i can get the CPU to 87c before i stop the test.

my GPU is running a chilly 38c under full load , so i know the pump is working and the radiator is large enough. I also had the fans all full speed for the test.

i'll list what i'm using as it pertains the the cooling.  anyone know what could be going on?

 

water block - Ek velocity AMD copper + PLexi

pump - EK D% pump res combo

RAD - 420mm

fans - x3 fractal design prisma AL14 @1700rpm

tuning- 16mm

TIM - Kryonaught 

 

 

I would remount your CPU block, sounds like uneven mount. or TIM issue.

I run a 2700x after my GPU and temps hold after an hour at 65C with a 1.45v vcore OC that with CPU and GPU pegged. im only using a single 360x30mm radiator.

[Legacystar]

ok, i pulled the block and check how flat it was, and it was domed, so i lapped it and temps are better,. staying under 75c.  i contacted EK and they state they convex the base on purpose and the pressure from the mounting screws is supposed to flatten it against the CPU. anyone think this sounds right?

[AngryBeaver]

On 8/21/2019 at 11:56 PM, Catchears said:

Not quite sure, but I would say thay the hot liquid from the GPU is flowing directly to the CPU.

Unless your coolant flow is pretty much non-existent then this isn't a possibility. Your temp variance in your loop is often less than .5c from hottest to coolest point.