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Black 240 mm radiator with two 120 mm ARGB fans, square copper pump block, reinforced sleeved tubing

ASUS

ASUS TUF GAMING LC II 240 ARGB liquid cooler

SKU CH-76ZX-FX42G MPN TUF GAMING LC II 240 ARGB

240 mm all-in-one liquid CPU cooler with two 120 mm ARGB fans, a copper cold plate and reinforced 400 mm tubing for Intel and AMD sockets

  • Radiator size277 × 120 × 27 mm
  • Fan size2 Fan Slots (120 mm)
  • Compatible socketsAMD Socket AM4 / AMD Socket AM5 / Intel LGA 1150 / Intel LGA
  • Block dimensions73 × 73 × 45 mm
  • Cooling block materialCopper
  • Radiator materialAluminum
  • 240 mm radiator handles high CPU heat loads
  • 29 dB(A) fans keep the system quiet
  • 2000 RPM fans deliver 67 CFM airflow
  • 400 mm reinforced tubing fits most chassis
  • ARGB lighting syncs with Aura Sync motherboards

What this cooler is and who it fits

The ASUS TUF GAMING LC II 240 ARGB is a 240 mm all-in-one liquid CPU cooler built for current Intel and AMD desktop sockets. It supports Intel LGA 1700, 1200, 1156, 1155, 1151 and 1150 as well as AMD AM5 and AM4. The copper cold plate measures 73 x 73 x 45 mm and the aluminium radiator is 277 x 120 x 27 mm. Two 120 mm ARGB fans are included.

Installation experience and common pitfalls

The kit ships with pre‑applied thermal paste, a full bracket set for every listed socket and Y‑cables that merge the two fan headers and the three ARGB leads into single motherboard connectors. Reinforced 400 mm tubing with 10.8 mm outer diameter resists kinking but still needs careful routing in compact cases. The decoupled pump design reduces vibration noise, yet the pump cable must reach a dedicated header. Builders with tight clearance around the VRM heatsinks should verify the 73 mm block width before ordering.

The spec that decides fit

Radiator thickness is 27 mm and total length is 277 mm, so the unit occupies a standard 240 mm mounting grid but adds the extra millimetres of the end tanks. If your chassis specifies a maximum radiator-plus-fan stack of 27 mm or less, this cooler will not fit. The 400 mm tube length limits placement to mounts within that radius from the CPU socket.

How it compares

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

Price $96.99
Pricier than about 62% of the 1,190 comparable items (median $71.99).

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Specifications

Product
Brand nameASUS
Model nameTUF GAMING LC II 240 ARGB
Part number90RC00U1-M0AAY0
Product typeLiquid Cooling System
Product colorBlack
Performance
Fan speed2,000 RPM +/- 10%
Fan airflow67 CFM
Static pressureStatic Pressure: 3.0 mmH2O
Size & build
Radiator size277 × 120 × 27 mm
Fan size2 Fan Slots (120 mm)
Block dimensions73 × 73 × 45 mm
Cooling block materialCopper
Radiator materialAluminum
Tube sizeTube Length: 400 mm
Tube Outer Diameter: 10.8 mm
Shipping weight1.81 kg
Package size356 × 229 × 102 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 1700
Environment & compliance
Fan noise level29 dB(A)
More details
LED lightingARGB

Questions about this item

How do I confirm the pump is running and the ARGB lighting is active after installing the TUF GAMING LC II 240 ARGB?

The decoupled low-noise pump should spin silently and the ARGB pump cover plus both 120 mm fans will light up when the 1-to-3 ARGB Y-cable is plugged into a 5 V ARGB header and the fan Y-cable is connected to a CPU_FAN or AIO_PUMP header set to PWM mode

What comes in the box and which mounting hardware must be sourced separately for an Intel LGA 1700 build?

The package includes the 240 mm radiator, two 120 mm ARGB fans, a 1-to-2 fan Y-cable, a 1-to-3 ARGB Y-cable, an accessory pack with screws and brackets for LGA 1700, 1200, 115x, AM5 and AM4, thermal paste, and a quick-start guide; no extra mounting parts are required for LGA 1700

The spec sheet lists only a 240 mm radiator — are there larger or smaller capacity versions of this model to choose from?

The TUF GAMING LC II 240 ARGB is offered solely with the 277 x 120 x 27 mm radiator and two 120 mm fans running up to 2000 RPM ±10 %, delivering 67 CFM airflow and 3.0 mmH₂O static pressure; no other radiator sizes or fan configurations exist for this model

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