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A 120mm radiator is enough.

 

If you're doing AiO, you could get an H55 and it would cool it more than enough. There's a 390X by Powercolor that's cooled by a single rad and it's temps are great.

GAMING PC "Ol' Bessie":

Ryzen 7 7800X3D | Radeon RX 9070 XT | Gigabyte B650M AORUS Elite AX | G.Skill Flare X5 6000MT/s CL36 16GBx2 | 5TB of SSD POWER | EVGA SuperNOVA 850W GT | Noctua NH-U14S | Fractal Design Pop! Mini AirCachyOS

 

Kind Of A Home Lab "Bay":

Ryzen 9 5900XT | Intel ARC A310 | ASUS PRIME B550-PLUS | T-FORCE 3200MT/s 16GBx2 + Corsair 3200MT/s 32GBx2 = 96GB!!! WOW!! | 2TB boot SSD + 8TBx6 HDD RaidZ2 | EVGA SuperNOVA 650W G2 | Phanteks Enthoo Pro M | Ubuntu 24.04 LTS

 

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Really also for some oc?

Read my edit. Short anser- single rad is even more than enough.

GAMING PC "Ol' Bessie":

Ryzen 7 7800X3D | Radeon RX 9070 XT | Gigabyte B650M AORUS Elite AX | G.Skill Flare X5 6000MT/s CL36 16GBx2 | 5TB of SSD POWER | EVGA SuperNOVA 850W GT | Noctua NH-U14S | Fractal Design Pop! Mini AirCachyOS

 

Kind Of A Home Lab "Bay":

Ryzen 9 5900XT | Intel ARC A310 | ASUS PRIME B550-PLUS | T-FORCE 3200MT/s 16GBx2 + Corsair 3200MT/s 32GBx2 = 96GB!!! WOW!! | 2TB boot SSD + 8TBx6 HDD RaidZ2 | EVGA SuperNOVA 650W G2 | Phanteks Enthoo Pro M | Ubuntu 24.04 LTS

 

The Laptop:

Framework Laptop 13 | Intel i5-1340p | G.Skill Ripjaws 3200MT/s 16GBx2 | Solidigm P44 Pro 2TB | CachyOS

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Okay so i would also be able to set a cpu cooler on the radiator. Soon using a Xeon 1231v3

Please rephrase that.

GAMING PC "Ol' Bessie":

Ryzen 7 7800X3D | Radeon RX 9070 XT | Gigabyte B650M AORUS Elite AX | G.Skill Flare X5 6000MT/s CL36 16GBx2 | 5TB of SSD POWER | EVGA SuperNOVA 850W GT | Noctua NH-U14S | Fractal Design Pop! Mini AirCachyOS

 

Kind Of A Home Lab "Bay":

Ryzen 9 5900XT | Intel ARC A310 | ASUS PRIME B550-PLUS | T-FORCE 3200MT/s 16GBx2 + Corsair 3200MT/s 32GBx2 = 96GB!!! WOW!! | 2TB boot SSD + 8TBx6 HDD RaidZ2 | EVGA SuperNOVA 650W G2 | Phanteks Enthoo Pro M | Ubuntu 24.04 LTS

 

The Laptop:

Framework Laptop 13 | Intel i5-1340p | G.Skill Ripjaws 3200MT/s 16GBx2 | Solidigm P44 Pro 2TB | CachyOS

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are you doing a custom loop or are you using and all in one?

3 tips to have a good time on the LTT forums | 1. When you reply to someone please quote them | 2. Please follow your threads | 3. Follow the C.o.C 

If you follow these 3 tips you should have a blast.

i'm rather proud of this for some reason. http://imgur.com/6ttS5XZ

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Hi i want to watercool my R9 390 when i get my new pc case (h440) and i just want to know if a 240mm radiator i enough to watercool it.

 

 

A 120mm radiator is enough.

 

If you're doing AiO, you could get an H55 and it would cool it more than enough. There's a 390X by Powercolor that's cooled by a single rad and it's temps are great.

 

You guys should note that the Powercolor with the stock 120mm rad has a fan cooling the VRAM and VRM. OP isn't going to have the fan if he goes with an aftermarket watercooling system and the card won't fare well for long if the VRAM and VRM are left uncooled. I'd definitely go with a full cover block and a 240mm rad no doubt.

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You guys should note that the Powercolor with the stock 120mm rad has a fan cooling the VRAM and VRM. OP isn't going to have the fan if he goes with an aftermarket watercooling system and the card won't fare well for long if the VRAM and VRM are left uncooled. I'd definitely go with a full cover block and a 240mm rad no doubt.

Or he could just use something like the Kraken G10 bracket, which has cooling for the VRM's?

GAMING PC "Ol' Bessie":

Ryzen 7 7800X3D | Radeon RX 9070 XT | Gigabyte B650M AORUS Elite AX | G.Skill Flare X5 6000MT/s CL36 16GBx2 | 5TB of SSD POWER | EVGA SuperNOVA 850W GT | Noctua NH-U14S | Fractal Design Pop! Mini AirCachyOS

 

Kind Of A Home Lab "Bay":

Ryzen 9 5900XT | Intel ARC A310 | ASUS PRIME B550-PLUS | T-FORCE 3200MT/s 16GBx2 + Corsair 3200MT/s 32GBx2 = 96GB!!! WOW!! | 2TB boot SSD + 8TBx6 HDD RaidZ2 | EVGA SuperNOVA 650W G2 | Phanteks Enthoo Pro M | Ubuntu 24.04 LTS

 

The Laptop:

Framework Laptop 13 | Intel i5-1340p | G.Skill Ripjaws 3200MT/s 16GBx2 | Solidigm P44 Pro 2TB | CachyOS

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Or he could just use something like the Kraken G10 bracket, which has cooling for the VRM's?

G10 isn't compatible with 390X. Neither is Corsair HG10. Something like that would be a step in the right direction but the VRM could still do with heatsinks. Which, a reasonable person would imagine, came with those modder's nightmares, but no. A fan blowing at bare components isn't, let's say, very efficient. :D (skim trough this check out the FLIR images)

Those things were a promising idea, especially for Radeons which are notorious for both heat and noisy stock cooling, but it turned out that they don't quite cut it. I'm not one tiny bit surprised that they didn't make a version for 300-series. Nor am I sorry about it TBH.

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