ASRock Steel Legend Dark 360 LCD AIO Cooler - 360mm
ASRock
ASRock Steel Legend Dark 360 LCD AIO Cooler - 360mm
The ASRock Steel Legend Dark 360 LCD AIO Cooler is a 360mm all-in-one liquid cooler with a 3.4-inch IPS LCD display, designed for users who want real-time system monitoring and visual customization alongside reliable CPU cooling. It combines a 3-phase pump with dual-inlet cooling paths and dual-ball bearing fans to deliver steady thermal performance for high-end builds on Intel and AMD platforms.
Why this product
3.4-inch LCD display with custom content
Full-color IPS screen at 480×480 resolution displays system stats, custom images, or animations. Supports multi-language interface and SignalRGB software for game-reactive effects and macro automation.
3-phase motor with dual-inlet cooling path
Automotive-grade pump delivers stronger flow and extended durability. Dual-side inlet structure channels coolant for peak CPU stability and VRM cooling.
0dB silent mode under low load
Fans stop completely during low-demand tasks, eliminating fan noise and extending bearing lifespan.
Aerospace-grade LCP fan blades
Liquid Crystal Polymer construction maintains blade geometry under extreme RPM and thermal stress, paired with dual-ball bearings for consistent long-term performance.
RGB ecosystem compatibility
ASRock Polychrome SYNC and SignalRGB support enable synchronized full-system lighting and display control through one software interface.
- Radiator size360mm
- LCD display3.4" full-coverage IPS, 480×480, 24-bit color
- Pump motor3-phase, 6-slot, 4-pole
- Fan speed range0–2500 RPM (radiator); 0–3000 RPM (VRM)
- Max noise level38.3 dB(A)
- Socket supportIntel LGA1700/1851, AMD AM5/AM4
- Warranty6-year cooler module, 2-year LCD unit
- SKUASR-870
- EAN4711581493551
- Intel LGA1700 and LGA1851 socket platforms.
- AMD AM5 and AM4 socket platforms.
- LCD display connects via USB Type-C to 9-pin motherboard header; RGB fans use standard ARGB Gen1 connectors.
- Fits standard 360mm top or front radiator mounts; rotatable pump head allows flexible installation orientation.
- Full RGB and LCD control requires ASRock motherboard with Polychrome SYNC support or compatible third-party software (SignalRGB tested and approved).
Best for
- High-end builds where custom visual monitoring and RGB synchronization are priorities.
- Users seeking low acoustics during idle and light loads via 0dB fan stop technology.
- Content creators and streamers wanting to display real-time system stats on the LCD panel.
- Intel and AMD users planning long-term ownership, backed by 6-year cooler module warranty.
Trade-offs
- Compact cases: 360mm radiator and pump assembly require full-size case space; verify clearance before purchase.
- Non-ASRock or legacy motherboards: LCD display and advanced RGB features depend on recent board BIOS and Polychrome SYNC support; older platforms may lack required connectors.
- Budget-first builds: Dual-fan radiator, custom LCD, and 6-year warranty command premium pricing compared to basic air or simpler AIO options.
Steel Legend stands for uncompromising strength and enduring reliability. With industrial-grade dual-ball bearings and aerospace-grade LCP fan blades, it delivers steadfast cooling performance and long-lasting durability — a true legend forged in steel.
Visual Experience
A 3.4" full-coverage LCD brings your system stats and custom visuals to life in vibrant detail. Combines real-time monitoring with customizable visuals, letting users display system stats, preferred images, or animations — all through an intuitive interface with multi-language support. Explore built-in animations or import your own for a fully customized display experience.
Next-Gen Cooling Pump | Dual-Side Inlet Cooling Path
Precision-engineered structure and automotive-grade components, powered by a 3-phase, 6-slot, 4-pole motor for stronger flow, extended durability, and peak cooling performance for unwavering CPU stability. Continuous rotating magnetic field for higher energy conversion efficiency.
Striped Ring Fan
The Striped Ring fan design features reinforced blades engineered to optimize airflow across both the VRM module and the radiator, driving high-volume intake to keep power delivery components cool and stable, while generating strong lateral airflow for deep fin penetration and maximum radiator cooling efficiency.
LCP Blade Structure
Crafted from aerospace-grade LCP (Liquid Crystal Polymer), the blades maintain flawless geometry under extreme RPM and thermal stress — ensuring enduring precision, durability, and performance stability.
Copper Alloy Bearing Hub
Crafted for superior concentricity, ensuring stable and effortless rotation under extreme conditions.
Dual-ball Bearing
The dual-bearing mechanism delivers consistent, long-lasting performance even under continuous high-temperature operation.
0dB Silent Cooling Technology
Fan stops completely under low load for absolute silence and extended lifespan.
POLYCHROME RGB
Simply connect the 3-pin ARGB header to an ASRock motherboard to unlock Polychrome SYNC support, experience perfectly synchronized, full-system RGB illumination.
SignalRGB
SignalRGB unifies your RGB devices, offering seamless customization, game-reactive effects, macro automation, and system monitoring. ASRock AIO Liquid Coolers have passed comprehensive SignalRGB compatibility testing, ensuring reliable control of the LCD display and lighting effects through the SignalRGB software.
Easy Installation
Minimal-step design enables fast, simple installation across multiple Intel® & AMD® platforms.
IIR+EPDM Tubing
IIR+EPDM core resists coolant evaporation and deformation, with braided sleeve reinforcement for durability, protection, and a clean high-end look.
Rotatable Pump Head
Detach and rotate effortlessly for quick maintenance and flexible installation.
Clean Build Aesthetic
Cables remain hidden between fans, with only a single cable required to connect to the motherboard for a cleaner build. Secure tubing placement, simplify installation, and maintain a clean, organized build.
ASRock Therm-X1 Thermal Grease
High thermal conductivity enables efficient heat transfer, enhancing system stability and extending CPU lifespan.
General
| Brand | ASRock |
|---|
Radiator & Fan
| Radiator dimensions | 397 × 120 × 27 mm |
|---|---|
| Radiator fan size | 120 × 120 × 28 mm |
| Fan speed range | 0–2500 ± 10% RPM |
| Max airflow | 76.7 CFM |
| Max static pressure | 4.16 mmH2O |
| Fan bearing | Dual-ball bearing |
| Blade material | Aerospace-grade LCP |
| Fan connector | PWM 4-pin |
Acoustics & Power
| Max noise level | 38.3 dB(A) |
|---|---|
| 0dB silent mode | Yes, fans stop under low load |
| Radiator fan voltage/current | 12V / 0.30A |
| VRM fan voltage/current | 12V / 0.12A |
LCD Display
| Display size | 3.4" full-coverage |
|---|---|
| Panel type | IPS LCD |
| Resolution | 480 × 480 |
| Color depth | 24-bit |
| Brightness | 250 cd/m² |
| Refresh rate | 60 Hz |
| Display connector | USB Type-C to 9-pin motherboard header |
Cooling
| Pump motor | 3-phase, 6-slot, 4-pole |
|---|---|
| Cooling path | Dual-inlet |
| Tubing material | IIR+EPDM with braided sleeve |
| Tubing length | 450 mm |
| Socket compatibility | Intel LGA1700, LGA1851; AMD AM5, AM4 |
RGB & Software
| Fan LED type | ARGB Gen1 |
|---|---|
| RGB software | ASRock Polychrome SYNC, SignalRGB |
Warranty
| AIO cooler module | 6 years |
|---|---|
| LCD unit | 2 years |
Shipping
All our products are shipped from the United Kingdom within 24 to 48 hours of purchase. See our Shipping and Returns page for full details.
Returns
- Tech Syndicate offers a full money-back guarantee on all purchases made in our store. If you are not satisfied with your purchase, we will provide a full refund, no questions asked.
- Refunds are available within 45 days of delivery.
- After the 45-day period you are no longer eligible for a refund, so we encourage you to try the product within the first few weeks to make sure it fits your needs.