Buying Guide
The Best CPU Coolers for Core i9
We weighed five liquid coolers on fan size and pump display, and the Titan 360 RX White costs the least.
By The PC Journal editorial team
12 min read5 products evaluated
Core i9 chips draw a lot of power, so every pick uses a 360mm radiator or larger.
Rankings weigh fan size, pump display and software as the makers state them; we did not test these liquid coolers ourselves, and if a maker skips pump display, the guide says so.
Quick Picks
Our 5 recommendations at a glance. Tap a pick for the full verdict.
Premium Pick
ASUS ROG Ryujin III ARGB Extreme White
The highest-priced pick here at the time of writing, with an Asetek Gen8 V2 pump.
Best for: Buyers who want the most complete package.
Our take Check price for ASUS ROG Ryujin III ARGB Extreme White (opens in a new tab)
NZXT CAM Software
NZXT Kraken Elite 360 RGB White
A NZXT CAM software.
Best for: Buyers who want a NZXT CAM software.
Our take Check price for NZXT Kraken Elite 360 RGB White (opens in a new tab)
Also Consider
LIAN LI Galahad II LCD 360 White
SL-INF daisy-chain fans.
Best for: Buyers who want SL-INF daisy-chain fans.
Our take Check price for LIAN LI Galahad II LCD 360 White (opens in a new tab)
Strong Alternative
LIAN LI Galahad II Trinity 360 White
A 27mm radiator.
Best for: Buyers who want 27mm radiator.
Our take Check price for LIAN LI Galahad II Trinity 360 White (opens in a new tab)
Lowest Price Here
CORSAIR iCUE LINK TITAN 360 RX RGB White
The lowest price of the group at our last check.
Best for: Spending as little as possible.
Our take Check price for CORSAIR iCUE LINK TITAN 360 RX RGB White (opens in a new tab)
Our Picks
Premium Pick1 of 5
ASUS ROG Ryujin III ARGB Extreme White on Amazon (opens in a new tab)
The ROG Ryujin III Extreme White has a 3.5-inch LCD and a fan in the pump housing that cools the VRM area.
Best for
- Buyers who want the most complete package.
Skip if
- Skip it if price comes first: the Titan 360 RX White cost less when we checked.
Why we like it
Its 3.5-inch 640x480 screen shows custom GIFs or live readings, and magnet-snap fans speed up installation. Software controls pump and fan speed. A 3.5-inch pump display is unique to it among these picks, while the Galahad II LCD 360 uses a 2.88-inch IPS pump display.
It also offers an Asetek Gen8 V2 pump. Check that your case offers 360mm radiator support at the front or top, and allow for the radiator's thickness plus fans above the motherboard's heatsinks. It supports both AM5 and Intel LGA1851. It was the most expensive pick when we checked, so weigh what it adds over the Kraken Elite 360.
Key dimensions & specs
- Fan size: 120mm
- Pump display: 3.5-inch
- VRM fan: Yes
- Sockets named: AM5, AM4, LGA1851, LGA1700
Pros
- 3.5-inch pump-head display for temperatures or images
- Built-in fan that cools the motherboard's power stages
- Mounts on both AM5 and Intel LGA1851
- Asetek Gen8 V2 pump
Cons
- Costs more than the Titan 360 RX White at the time of writing
NZXT CAM Software2 of 5
NZXT Kraken Elite 360 RGB White on Amazon (opens in a new tab)
The Kraken Elite 360 has a 2.72-inch LCD that can show temperatures, images or GIFs.
Best for
- Buyers who want a NZXT CAM software.
Skip if
- Pass on it if lighting and display control need NZXT CA rules it out for your setup.
Why we like it
You pay mainly for the screen. You get a 2.72-inch IPS pump display here, which sets it apart from the Galahad II LCD 360 and its a 2.88-inch IPS pump display. NZXT CAM software is unique to it among these picks, while the Galahad II LCD 360 uses L-Connect software.
It also comes with a 640x640 LCD with a 60Hz refresh rate and a white finish. Check that your case offers 360mm radiator support at the front or top, and allow for the radiator's thickness plus fans above the motherboard's heatsinks. It supports both AM5 and Intel LGA1851.
Plan to install NZXT CAM for lighting and display control; fan and pump speed can also run from the motherboard's headers. On price it sat fourth of 5, between the cheaper Galahad II LCD 360 and the pricier Ryujin III Extreme White, at the time of writing.
Key dimensions & specs
- Fan size: 120mm
- Pump display: 2.72-inch IPS
- Software: NZXT CAM
- Sockets named: AM5, AM4, LGA1851, LGA1700
Pros
- 2.72-inch IPS pump-head display for temperatures or images
- Mounts on both AM5 and Intel LGA1851
- 640x640 LCD with a 60Hz refresh rate
- White finish
Cons
- Lighting and display control need NZXT CAM
- Costs more than the Titan 360 RX White at the time of writing
Also Consider3 of 5
LIAN LI Galahad II LCD 360 White on Amazon (opens in a new tab)
The Galahad II LCD 360 has a 2.88-inch screen on an Asetek-based pump and SL-INF fans that daisy-chain.
Best for
- Buyers who want SL-INF daisy-chain fans.
Skip if
- Skip it if this is a deal-breaker for you: lighting and display control need L-Connect.
Why we like it
No other pick in this guide offers a 2.88-inch IPS pump display; compare the Ryujin III Extreme White, which has a 3.5-inch pump display. Like the Galahad II Trinity 360, it has L-Connect software, while the Kraken Elite 360 uses NZXT CAM software. You also get a white finish.
Check that your case offers 360mm radiator support at the front or top, and allow for the radiator's thickness plus fans above the motherboard's heatsinks. The maker doesn't spell out LGA1851 mounting, so confirm it on the maker's site for a Core Ultra build. Plan to install L-Connect for lighting and display control; fan and pump speed can also run from the motherboard's headers. It was priced above the Galahad II Trinity 360 and below the Kraken Elite 360 at the time of writing.
Key dimensions & specs
- Max pump speed: 3600 RPM
- Fan size: 120mm
- Pump display: 2.88-inch IPS
- Software: L-Connect
- Sockets named: AM5, AM4, Intel
Pros
- 2.88-inch IPS pump-head display for temperatures or images
- SL-INF daisy-chain fans
- White finish
Cons
- Lighting and display control need L-Connect
- Costs more than the Titan 360 RX White at the time of writing
Strong Alternative4 of 5
LIAN LI Galahad II Trinity 360 White on Amazon (opens in a new tab)
The Galahad II Trinity 360 uses a 27mm radiator with SL-INF fans and three interchangeable pump caps.
Best for
- Buyers who want 27mm radiator.
Skip if
- Look at the others if this bothers you: lighting and display control need L-Connect.
Why we like it
It shares L-Connect software with the Galahad II LCD 360; the Titan 360 RX White goes with iCUE software. Check that your case offers 360mm radiator support at the front or top, and allow for the radiator's thickness plus fans above the motherboard's heatsinks. The maker doesn't spell out LGA1851 mounting, so confirm it on the maker's site for a Core Ultra build.
Plan to install L-Connect for lighting control; fan and pump speed can also run from the motherboard's headers. Its price falls between the Titan 360 RX White and the Galahad II LCD 360, based on our last check.
Key dimensions & specs
- Fan size: 120mm
- Software: L-Connect
- Sockets named: AM5, AM4, Intel
Pros
- 27mm radiator
- Three interchangeable pump cap designs
- SL-INF fans
Cons
- Lighting and display control need L-Connect
- Costs more than the Titan 360 RX White at the time of writing
Lowest Price Here5 of 5
CORSAIR iCUE LINK TITAN 360 RX RGB White on Amazon (opens in a new tab)
The Titan 360 RX White is the white version of Corsair's one-cable iCUE LINK cooler.
Best for
- Spending as little as possible.
Skip if
- Choose another pick if you can't accept this: lighting and display control need iCUE.
Why we like it
ICUE software is unique to it among these picks, while the Kraken Elite 360 uses NZXT CAM software. It also comes with a FlowDrive pump with a three-phase motor. Check that your case offers 360mm radiator support at the front or top, and allow for the radiator's thickness plus fans above the motherboard's heatsinks.
It supports both AM5 and Intel LGA1851. Plan to install iCUE for lighting control; fan and pump speed can also run from the motherboard's headers. Another plus is zero RPM mode stops the fans at light load. It undercut the Galahad II Trinity 360 and every other pick on price at the time of writing.
Key dimensions & specs
- Max fan speed: 2100 RPM
- Fan size: 120mm
- Zero RPM mode: Yes
- Cabling: One-cable iCUE LINK hub for pump and fans
- Software: iCUE
- Sockets named: AM5, AM4, LGA1851, LGA1700
Pros
- Zero RPM mode stops the fans at light load
- One-cable iCUE LINK hub for pump and fans
- Mounts on both AM5 and Intel LGA1851
- White finish
Cons
- Lighting and display control need iCUE
How We Chose These CPU Coolers for Core i9
Each pick was assessed across 4 criteria weighted for real-world use.
- Setup
- We compared cabling, hubs and the software each unit needs.
- Pump and fans
- We noted listed pump and fan speeds and fan size.
- Fit and mounting
- We checked radiator size and listed socket support, including AM5 and LGA1851.
- Extras
- We recorded pump displays, VRM fans and zero RPM modes where listed.
What to Look for in a CPU Cooler for Core i9
Key buying criteria so you get the right fit the first time.
Mount the pump below the radiator's top
Air collects at the highest point of the loop. Keep the radiator's top edge above the pump, or tubes-down at the front, to avoid pump noise and wear.
Count the cables and headers
Some AIOs daisy-chain fans or run everything through one hub; others need several fan headers and a USB header. Check what your motherboard has free.
AIOs have a finite life
Pumps and coolant age over years of use. Warranty length is a fair guide to how long the maker expects the unit to last.
Match radiator size to the CPU
A 240mm radiator handles most gaming CPUs. 280mm and 360mm units give more headroom for 170W chips and let fans run slower.
Software is optional but useful
LCD screens and lighting usually need the maker's software. Pump and fan speeds can run from motherboard headers instead.
Confirm radiator support in your case
Cases list which radiator sizes fit at the front, top and side. A top mount also has to clear the motherboard's heatsinks and tall RAM.
Check the case's clearance figure for radiator plus fans.
How to Choose a CPU Cooler for Core i9
By priority
| Priority | Consider | Why |
|---|---|---|
| Buyers who want the most complete package | Ryujin III Extreme White | The highest-priced pick here at the time of writing, with an Asetek Gen8 V2 pump |
| Buyers who want a NZXT CAM software | Kraken Elite 360 | A NZXT CAM software |
| Buyers who want SL-INF daisy-chain fans | Galahad II LCD 360 | SL-INF daisy-chain fans |
| Buyers who want 27mm radiator | Galahad II Trinity 360 | A 27mm radiator |
| Spending as little as possible | Titan 360 RX White | The lowest price of the group at our last check |
Scroll sideways to see every column.
Key specs side by side
Figures as each maker states them.
| AIO cooler | Fan size | Pump display | Software | Sockets named |
|---|---|---|---|---|
| Ryujin III Extreme White | 120mm | 3.5-inch | Not listed | AM5, AM4, LGA1851, LGA1700 |
| Kraken Elite 360 | 120mm | 2.72-inch IPS | NZXT CAM | AM5, AM4, LGA1851, LGA1700 |
| Galahad II LCD 360 | 120mm | 2.88-inch IPS | L-Connect | AM5, AM4, Intel |
| Galahad II Trinity 360 | 120mm | Not listed | L-Connect | AM5, AM4, Intel |
| Titan 360 RX White | 120mm | Not listed | iCUE | AM5, AM4, LGA1851, LGA1700 |
Scroll sideways to see every column.
By price at the time of writing
Prices change often; these tiers reflect Amazon prices when this guide was updated.
| Price tier | AIO coolers |
|---|---|
| About $150 to $250 | Titan 360 RX White, Galahad II Trinity 360, Galahad II LCD 360 |
| About $250 to $500 | Kraken Elite 360, Ryujin III Extreme White |
Frequently Asked Questions
What is the least I can spend on one of these liquid coolers?
The Titan 360 RX White. It undercut the Galahad II Trinity 360 when we checked, while the Ryujin III Extreme White cost the most of the group.
Does an AIO need maintenance?
Only dusting the radiator. The loop is sealed and is not meant to be refilled.
Should the radiator be at the front or top?
Either works. Top-mounted exhausts keep warm air out of the case; front-mounted intake gives the CPU cooler air. Keep the pump below the radiator's top.
Where do I plug in the pump?
Use the motherboard's AIO_PUMP or CPU_FAN header, set to full speed or DC mode as the maker recommends.
Is an LCD pump head worth it?
Only for looks or quick temperature readouts. It does not change cooling performance.
Bottom Line
Our first pick is the Ryujin III Extreme White, chosen for the highest-priced pick here at the time of writing, with an Asetek Gen8 V2 pump. Look at the Kraken Elite 360 for a NZXT CAM software, the Galahad II LCD 360 for SL-INF daisy-chain fans and the Galahad II Trinity 360 for a 27mm radiator if those matter more to you.
Check the LGA1700 or LGA1851 mounting kit is included.