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Black 420 mm AIO liquid cooler with 38 mm thick radiator, three 140 mm ARGB fans, 60 mm VRM fan, magnetic rotatable pump cover

ENERMAX

ENERMAX ELC-LMF420T-ARGB 420 mm liquid cooler with 38 mm radiator, 60 mm VRM fan, ARGB

SKU CH-RJ5P-GS15T MPN ELC-LMF420T-ARGB

A 420 mm liquid cooler with a 38 mm thick radiator, three 140 mm fans and a dedicated 60 mm VRM fan spinning up to 3000 RPM for extra motherboard cooling

  • Radiator size460 × 140 × 38 mm
  • Fan size3 Fan Slots (140 mm)
  • Compatible socketsAMD Socket AM4 / AMD Socket AM5 / Intel LGA 1150 / Intel LGA
  • Pump bearingCeramic
  • Radiator materialAluminum
  • Fan dimensions140 × 140 × 26.8 mm

Fan Size 3 Fan Slots (140mm)

  • 38 mm thick radiator increases heat dissipation for 420 W TDP
  • 60 mm VRM fan spins to 3000 RPM to cool motherboard power phases
  • Dual-chamber pump with ceramic bearing delivers high static pressure of 2.71 mmH2O
  • Three 140 mm fans run 500 to 1700 RPM at 25.47 dBA for quiet airflow
  • Magnetic pump cover rotates 90° for flexible ARGB orientation

420 mm AIO with 38 mm radiator

The Enermax Liqmaxflo 420 ARGB is an all-in-one liquid cooler built around a 460 x 140 x 38 mm aluminum radiator. It targets enthusiasts who want a single-loop solution for modern Intel and AMD desktop sockets including LGA 1700, LGA 1200, AM5 and AM4. A 60 mm VRM fan and triple 140 mm fans ship pre-installed.

420 W TDP headroom and 100 ml refill kit

Rated for 420 W TDP, the cooler handles high-end desktop CPUs at stock or moderate overclocks. The 38 mm thick radiator and dual-chamber pump push coolant through 400 mm rubber tubes, while the 100 ml bottle lets owners top up the loop without buying extra fluid. Loads beyond the rated wattage will exceed the thermal capacity.

Magnetic rotatable cover and ARGB VRM fan

The pump cover attaches magnetically and rotates 90° so the logo stays upright in any chassis orientation. Addressable RGB lighting on both the VRM fan and the three 140 mm fans synchronises through motherboard software. Pre-applied thermal grease is included, so no separate paste purchase is required for the first installation.

How it compares

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

Price $119.99
Pricier than about 72% of the 1,190 comparable items (median $71.99).

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Specifications

Product
Brand nameEnermax
Product lineLIQMAXFLO 420 ARGB
Model nameELC-LMF420T-ARGB
Product typeLiquid Cooling System
Product colorBlack
Performance
Fan speedFan Speed: 500 to 1,700 RPM
Water Block VRM Fan Speed: 500 to 3,000 RPM
Fan airflow78.76 CFM
Static pressureStatic Pressure: 2.71 mmH2O
Ports & slots
Fan plug type8 Pin
Size & build
Radiator size460 × 140 × 38 mm
Fan size3 Fan Slots (140 mm)
Radiator materialAluminum
Fan dimensions140 × 140 × 26.8 mm
Tube sizeTube Length: 400 mm
Tubing materialRubber
Shipping weight2.81 kg
Package size518 × 206 × 155 mm
Compatibility
Compatible socketsAMD Socket AM4 / AMD Socket AM5 / Intel LGA 1150 / Intel LGA 1151 / Intel LGA 1155 / Intel LGA 1156 / Intel LGA 1200 / Intel LGA 1366 / Intel LGA 1700 / Intel LGA 2011 / Intel LGA 2011-v3 / Intel LGA 2066
Environment & compliance
Fan noise level25.47 dBA
More details
Pump bearingCeramic
LED lightingARGB

Other versions of this model

1 more in the same range

Questions about this item

Will the 460 mm radiator and 38 mm thickness fit my older mid-tower case?

The radiator measures 460 x 140 x 38 mm and needs three 140 mm fan slots; check your case specs for 420 mm radiator support and 38 mm clearance before ordering.

How can I verify the Dual-Chamber Xtreme pump is running correctly after installation?

Connect the pump to a PWM header, then monitor pump RPM in BIOS or software; it should report a steady speed and CPU temperatures should drop under load.

Does the box include mounting hardware for Intel LGA 1700 and AMD AM5 sockets?

Yes — brackets for Intel LGA 1700, 1200, 115x, 2011, 2066 and AMD AM5, AM4 are included, plus pre-applied thermal grease and a 100 ml coolant bottle for the refillable radiator.

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