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Black 360 mm AIO with 3.4 inch LCD screen and three 120 mm fans

ASRock

ASRock Steel Legend Dark 360 LCD liquid cooler

SKU CH-AYJ4-08T54 MPN Steel Legend Dark 360 LCD

A 360 mm AIO with a 3.4" IPS LCD, 27 mm thick radiator, 120 mm dual-ball-bearing fans, dedicated VRM module and support for AM4, AM5, LGA 1700 and LGA 1851 sockets

  • Radiator size397 mm
  • Fan size3 Fan Slots (120 mm)
  • Compatible socketsAMD Socket AM4 / AMD Socket AM5 / Intel LGA 1700 / Intel LGA
  • Block dimensions100.4 × 86 × 107.6 mm
  • Cooling block materialCopper
  • Display typeIPS LCD

Model Steel Legend Dark 360 LCD

  • 4" full-colour IPS LCD shows live stats and custom images
  • 397 mm radiator with 27 mm thickness provides high-capacity heat dissipation
  • Pump runs 1200-3100 RPM for strong coolant flow under load
  • Three 120 mm LCP fans with dual-ball bearings reach 76.70 CFM at 38.3 dB(A)
  • Supports AMD AM4, AM5 and Intel LGA 1700, 1851 sockets

AIO liquid cooler with integrated LCD

The ASRock Steel Legend Dark 360 LCD is an all-in-one liquid cooler that integrates a 3.4 inch full-colour IPS display into the pump block. It uses a 397 mm aluminium radiator fitted with three 120 mm LCP fans that use dual-ball bearings. The copper cold plate mounts on AMD AM4, AMD AM5, Intel LGA 1700 and Intel LGA 1851 sockets.

Builders wanting a monitoring display

This cooler suits builders who want real-time system statistics or custom animations visible inside the case and who need directed airflow across the motherboard voltage regulators. Buyers who need a thinner radiator for a compact chassis or who prefer a pump block without an integrated screen should look at alternatives.

3.4 inch IPS LCD on the pump block

The 3.4 inch IPS LCD is the specification that determines whether this unit fits the build. It occupies the top of the 100.4 by 107.6 mm pump housing and requires clearance above the CPU socket. If the case or motherboard layout cannot accommodate that height, the cooler cannot be installed.

How it compares

Measured against everything we stock in Liquid Cooling & AIO Coolers, at today’s prices. Recalculated every night.

Price $114.99
Pricier than about 70% of the 1,190 comparable items (median $71.99).
Radiator size 397 mm
Higher than about 90% of the 165 comparable items (median 360 mm).

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Specifications

Product
Brand nameASRock
Model nameSteel Legend Dark 360 LCD
Part number90-ASLA36-BAAGA5
Product typeAIO
Product colorBlack
Performance
Pump rotation speed1200–3100 ± 10% RPM
Fan speed0–2500 ± 10% RPM
Fan airflowMax: 76.7 CFM
Display
Display typeIPS LCD
Ports & slots
Fan plug typePWM (4-Pin)
Size & build
Radiator size397 mm
Fan size3 Fan Slots (120 mm)
Block dimensions100.4 × 86 × 107.6 mm
Cooling block materialCopper
Radiator materialAluminum
Fan dimensions120 × 120 × 28 mm
Shipping weight2.81 kg
Package size415 × 229 × 133 mm
Compatibility
Compatible socketsAMD Socket AM4 / AMD Socket AM5 / Intel LGA 1700 / Intel LGA 1851
Environment & compliance
Fan noise levelMax: 38.3 dB(A)
More details
LED lightingNon LED

Other versions of this model

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Questions about this item

What case clearance is needed for the 397 mm radiator and 28 mm thick fans?

The radiator is 397 mm long and each fan is 28 mm thick, so confirm your case supports a 360 mm radiator with enough depth for the fan stack.

How is the VRM cooling module attached during installation?

The dedicated VRM module mounts on the water block and connects via its own fan header; the step often missed is plugging that header in so the guided airflow actually runs.

When should the dual-ball bearing fans be checked or replaced?

Dual-ball bearing fans rated for long life typically run years without service; monitor noise and RPM through PWM control and replace only if bearing noise appears or airflow drops.

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