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If I were to compile a personal top 10 of the most unconventional cooling systems I have reviewed, the ASUS ROG Ryuo IV SLC 360 ARGB would rank among the top entries. Its distinctiveness is not merely aesthetic; the design choices serve a clear functional intent. The emphasis is placed on visual refinement and cohesive styling, with the overall concept built around achieving a balanced and deliberate appearance rather than relying solely on technical differentiation.
Read also: All reviews of PC cooling systems
TABLE OF CONTENTS:
Positioning and Price
The ASUS ROG Ryuo IV SLC 360 ARGB is priced at approximately $420 or €380. This places it at the upper end of the consumer liquid cooling market. In practical terms, it is not only notable for its distinctive design, but also for its cost, exceeding the price of any cooling system I have previously reviewed.
Package contents
The box contains the following items:
- The system itself with pre-installed fans
- OLED module
- Mounts for AMD and Intel (LGA 1851, LGA 1700, AM4, AM5)
- Screws for mounting the radiator
- Instruction manual
- Sticker and ROG VIP card
Thermal paste is pre-applied to the cold plate. The package also includes tube clamps, although in this case they were already installed out of the box.
Design
The initial impression upon unboxing is one of surprise. The pump unit immediately draws attention with a tall gray grille element. Despite its height, the structure can be adjusted forward and backward relative to the RAM area, allowing for some flexibility in positioning.
Fans and Pump
The ASUS ROG Ryuo IV SLC 360 ARGB is equipped with proprietary 120 mm fans that are relatively uncommon within the liquid cooling segment. They use a daisy-chain connection system, allowing power and control signals to pass sequentially between units. As a result, only a single cable exits the final fan in the chain, while the others connect through direct contact interfaces, reducing overall cable clutter.
They use fluid dynamic bearings (FDB), with a rotational speed range of 800 to 2650 RPM. These are also among the louder fans I have encountered in this category, with a specified maximum noise level of 39.6 dBA.
The air flow can reach 71.44 cubic feet per minute, and the static pressure can reach 5.45 mm water column (mmH20).
The pump block measures 133 × 105 × 123 mm. The pump speed is specified at 1800 to 3200 RPM (±10%); during testing, it did not operate below its maximum range. The radiator measures 394 × 140 × 32 mm and is constructed from aluminum. It is connected via 200 mm FEP-sleeved tubing.
Test bench and setup
- CPU AMD Ryzen 9 9900X
- Motherboard ASUS ROG Strix B650E Gaming WiFi
- RAM Kingston Fury DDR5 16 GB
- ASUS ROG RTX 3050 8GB graphics card
- ASUS TUF Gaming GT502 case
- be quiet! Power Zone 2 1000W power supply.
Tests were conducted at a background temperature of 18 °C.
Installation of the ASUS ROG Ryuo IV SLC 360 ARGB is not particularly convenient. The relatively short tubing exerts noticeable tension on the pump module, to the point where rotating it 90 degrees would seem mechanically preferable – although the manual does not permit this orientation.
The documentation also does not clearly specify that the screws required to secure the AM5 mounting brackets are the standard screws supplied with the AM5 retention mechanism and are not included with the liquid cooling kit itself.
On the positive side, the movable grille assembly provides relatively unobstructed access to the mounting screws. However, installation requires a Phillips screwdriver with an extended shaft to reach them properly.
Another convenient feature is the display module, which attaches magnetically, making both installation and removal straightforward. The display itself will be discussed in detail later; for now, we’ll focus on the test results.
Performance
In OCCT testing at the standard overclock profile on an AMD Ryzen 9 9900X, the ROG Ryuo IV SLC 360 ARGB liquid cooling system dissipated 125 W of thermal energy, maintaining average CPU temperatures of 65 °C and a maximum of 69 °C.
At this load, fan speed was 1450 RPM and pump speed was 3100 RPM. Even at these operating points, the cooling system was not quiet; the fans are notably loud under typical workloads.
When overclocking the CPU to 5.3 GHz across all cores (approximately 210 W), the cooling system was unable to maintain stability – the PC shut down during the verification test in Ryzen Master. The highest stable load I was able to achieve was 180 W, with all cores running at 5.2 GHz.
Temperatures under this load exceeded 90 °C, with fan speeds reaching 2500 RPM. The system became noticeably louder at these settings. It is worth noting that similar performance levels are observed in high-end liquid cooling solutions from Corsair.
However, in the case of the ASUS ROG Ryuo IV SLC 360 ARGB, there is at least a clear reason for this behavior – the system contains a relatively small volume of coolant, which heats up more quickly and reduces one of the typical advantages of liquid cooling: thermal inertia under rapid load changes. Nevertheless, this is not a major concern, because other factors are more significant.
Display and Aesthetics
The defining feature of the ASUS ROG Ryuo IV SLC 360 ARGB is not its performance, nor even its noise level, but its aesthetic impact. The display module is large enough to occupy a significant portion of the internal case volume, transforming the PC from a conventional system into something that resembles a scientific prop from a popular science film.
Despite its size, the module requires only three cables for connectivity: a long USB 2.0 cable, a PWM cable, and a single RGB cable for the fans. Managing and routing them is straightforward – even I was able to handle it without difficulty.
Combine this with the unusually short radiator tubing, which visually disappears against the pump module, and you have one of the most aesthetically tidy liquid cooling setups – arguably in the world. The only design that might surpass it in visual neatness is ASUS’s BTF project, where the tubes are routed entirely through the motherboard.
However, everything ultimately centers on the display. It’s a 6.67‑inch 2K AMOLED panel with a 60 Hz refresh rate, supporting ASUS Aura Sync and the ASUS InfoHub software. A screen like this is impressive enough that, even three years ago, I wouldn’t have hesitated to want it on a smartphone. And that’s almost not an exaggeration.
The curvature of the display is not a flaw but a feature – it gives visuals a unique sense of depth. With a custom profile, information can be displayed on all three surfaces: front, side, and even along the curve. ASUS InfoHub even allows users to upload their own video files, including both static images and GIF animations.
Although only video content will appear reasonably sharp at this resolution, it’s important to remember that the display isn’t a standard rectangle but an elongated shape, so content format needs to match. One final note: the display module carries a 2‑year warranty, while the pump and radiator are covered for six years.
Compatibility
Finally, let’s address compatibility, particularly regarding the radiator size of 394 × 140 × 32 mm and the 200 mm tubing length. The radiator’s dimensions mean that the ASUS ROG Ryuo IV SLC 360 ARGB requires a mounting space of approximately 420 mm. While the radiator itself is 140 mm wide, its length does not fully extend to 420 mm, but adequate clearance is still necessary for installation.
The 200 mm tubing length also means that installing the radiator anywhere other than the top of the case is generally not feasible. This cooling system was designed with ASUS’s own cases in mind, specifically the ROG Hyperion GR701, ROG Strix Helios GX601, ProArt PA602, TUF Gaming GT502, and TUF Gaming GT302.
Compatibility with other cases requires support for 420 mm radiators and a top-mounted orientation only. This rules out all test benches I am familiar with – my custom Gorilla Custom X, for example, only supports side mounting. As a result, testing was conducted in the ASUS TUF Gaming GT502.
Why is top mounting generally more challenging than front mounting? The issue lies in standard airflow design: air is typically drawn in from the front, passes over internal components, and is exhausted out the rear and top of the case.
In other words, when the radiator is mounted at the front, it has access to fresh intake air. When mounted on top, it draws air that has already been heated by the case interior. The temperature difference depends on other system components – from SSDs to the GPU.
It’s clear that two PCIe 5.0 SSDs combined with an RTX 5090 can turn the interior into a veritable sauna, potentially increasing CPU temperatures by as much as 30 °C – making overclocking impractical. Fundamentally, though, every internal component emits some heat into the surrounding air, so a top-mounted radiator will always encounter warmer intake air, resulting in higher CPU temperatures compared with a front-mounted setup.
Does this matter to you? I can’t say – it depends on your priorities. You could reverse the airflow, but that would require swapping the fans for ones oriented in the opposite direction. This highlights the main compatibility limitation of the ASUS ROG Ryuo IV SLC 360 ARGB: in most installations, the CPU will inevitably run at higher temperatures due to the top-mounted radiator drawing warmer air.
Conclusions
Despite its quirks and limitations, the ASUS ROG Ryuo IV SLC 360 ARGB is likely to be a standout choice for enthusiasts focused on unique, visually striking builds. It is arguably the most elegant and aesthetically refined liquid cooling system available. That said, to achieve a fully cohesive look, users will ideally be fans of ASUS, using an ASUS case and, preferably, other ASUS components, so that the lighting and design remain consistent.
In that context, it’s hard to imagine a more visually distinctive PC than one built around the ROG Ryuo IV SLC 360 ARGB. Even open-loop liquid cooling setups rarely achieve this level of aesthetic refinement. For those prioritizing style and presentation, it comes highly recommended.
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