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ASUS Prime LC 240 ARGB all-in-one liquid cooler with 277 mm aluminium radiator, two 120 mm ARGB fans

ASUS

ASUS PRIME LC 240 ARGB liquid cooler

SKU CH-B0N3-QJFNX MPN PRIME LC 240 ARGB

A 240 mm AIO liquid cooler with a copper cold plate, two 120 mm ARGB fans and reinforced sleeved tubing for AMD AM5, AM4 and Intel LGA 1851, 1700, 1200, 115x sockets

  • Radiator size277 × 120 × 27 mm
  • Fan size2 Fan Slots (120 mm)
  • Compatible socketsAMD: AM5 & AM4 Intel: LGA 1851, 1700, 1200, 115x
  • AMD socket supportAMD: AM5 & AM4
  • Intel socket supportIntel: LGA 1851, 1700, 1200, 115x
  • Block dimensions65.1 × 60.58 × 68.5 mm
  • Cools demanding CPUs with a 240 mm radiator and 3250 RPM pump
  • Fits current AMD AM5 and AM4 plus Intel LGA 1851, 1700, 1200, 115x sockets
  • Runs quietly at 34 dB(A) while moving 75.7 CFM through two 120 mm fans
  • ARGB infinity mirror on the pump head adds customisable lighting
  • Reinforced sleeved rubber tubing resists wear and simplifies routing

All-in-one CPU liquid cooler

The ASUS Prime LC 240 ARGB is a 240 mm AIO cooler with a copper cold plate and an aluminium radiator measuring 277 x 120 x 27 mm. A pump running at 3250 RPM circulates coolant through 400 mm sleeved rubber tubes. Two pre-installed 120 mm ARGB fans operate between 600 and 2000 RPM, delivering 75.7 CFM at 34 dB(A). The infinity mirror lens on the pump head adds customisable lighting.

Socket compatibility decides fit

The mounting kit supports AMD AM5 and AM4 plus Intel LGA 1851, 1700, 1200 and 115x sockets. Builders with other AMD or Intel platforms will not find the required hardware in the box. The 27 mm thick radiator and 400 mm tubes suit standard mid-tower cases, but compact chassis with limited radiator clearance may not accommodate the 277 mm length.

Radiator length is the limiting dimension

At 277 mm the radiator determines whether the cooler fits your case. Measure the available mounting space before purchase; if the case cannot accept a 277 mm radiator you will need a different cooling solution.

How it compares

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

Price $66.99
Typical for this category: the median of 1,190 items is $71.99.

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Specifications

Product
Brand nameASUS
Model namePRIME LC 240 ARGB
Part number90RC0111-B0AAY0
Product typeAIO
Performance
Pump rotation speed3,250 RPM
Fan speed600-2,000 RPM
Fan airflow75.7 CFM
Size & build
Radiator size277 × 120 × 27 mm
Fan size2 Fan Slots (120 mm)
Block dimensions65.1 × 60.58 × 68.5 mm
Cooling block materialCopper
Radiator materialAluminum
Tube size400 mm
Tubing materialSleeved rubber tube
Shipping weight1.91 kg
Package size305 × 229 × 152 mm
Compatibility
Compatible socketsAMD: AM5 & AM4
Intel: LGA 1851, 1700, 1200, 115x
AMD socket supportAMD: AM5 & AM4
Intel socket supportIntel: LGA 1851, 1700, 1200, 115x
Environment & compliance
Fan noise level34 dB(A)
More details
LED lightingARGB

Questions about this item

What socket clearance does the 65.1 x 60.58 mm cold-plate need on AM5 or LGA 1700?

The copper block measures 65.1 x 60.58 mm and fits AM5, AM4, LGA 1851, 1700, 1200 and 115x sockets with the supplied brackets.

Will the 277 x 120 x 27 mm radiator and 400 mm tubes fit my case?

The radiator needs two 120 mm fan slots and 277 mm length; 400 mm sleeved tubes give routing flexibility for most mid-tower cases.

How do I connect the ARGB lighting and 3250 RPM pump without a separate controller?

Plug the pump into a CPU_FAN header and the fans into CPU_OPT or SYS_FAN; the ARGB header on the motherboard controls the infinity-mirror LEDs.

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