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White 360 mm radiator with three 120 mm RGB fans and a square pump head showing an infinity mirror ring

NZXT

NZXT Kraken X73 RGB 360mm RL-KRX73-RW liquid cooler

SKU CH-TSHZ-F2CFR MPN RL-KRX73-RW

A 360 mm liquid CPU cooler with three 120 mm Aer RGB 2 fans, a rotatable infinity-mirror pump head and CAM software control

  • Radiator size394 × 121 × 27 mm
  • Fan size3 Fan Slots (120 mm)
  • Compatible socketsIntel Socket LGA 1200, 115X, 1366, 1700, 2011, 2011-3, 2066
  • Cooling block materialCopper & Plastic
  • Radiator materialAluminum
  • Fan dimensions120 mm

Fan Size 3 Fan Slots (120mm)

Color White

Model Kraken X73 RGB

  • Rotatable top lets you align the logo for any case orientation
  • Three Aer RGB 2 fans deliver 17.48 to 52.44 CFM airflow at 500 to 1500 RPM
  • Individually addressable RGB lighting with a 10 percent larger infinity mirror ring
  • CAM V4 software gives digital control over fan curves and lighting effects
  • Supports Intel LGA 1700 and AMD AM4 sockets out of the box

Block And Audience

The NZXT Kraken X73 RGB is a 360 mm all-in-one liquid cooler built for CPUs on Intel LGA 1700, 1200, 115X, 1366, 2011, 2011-3 and 2066 sockets plus AMD AM4 and Threadripper sTRX4 or TR4 when a separate bracket is supplied. It suits builders who want strong thermal headroom and addressable RGB lighting in a white finish. The pump head uses a rotatable infinity-mirror ring so the logo stays upright regardless of mounting orientation.

Build Integration

The aluminium radiator measures 394 by 121 by 27 mm and occupies three 120 mm fan slots, so the case must provide matching clearance. Three Aer RGB 2 fans with 4-pin PWM connectors are pre-installed and draw power from the motherboard or a controller. Rubber tubes with nylon sleeves run 400 mm, giving routing flexibility around memory heatsinks and voltage-regulator heatsinks. NZXT CAM software handles fan curves, pump speed and lighting synchronisation across compatible NZXT RGB accessories.

Thermals Noise Power

Fan speed ranges from 500 to 1,500 RPM ±300 RPM, moving 17.48 to 52.44 CFM while producing 22 to 33 dBA. The fluid-dynamic bearings keep acoustic output low even at higher RPM. Pump speed and fan curves are adjustable in CAM, letting the system run near-silent at idle and ramp only when the CPU load demands it. Power draw follows the PWM headers used, with no additional cables required beyond the supplied RGB connector.

How it compares

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

Price $176.99
Pricier than about 86% of the 1,190 comparable items (median $71.99).

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Specifications

Product
Brand nameNZXT
Product lineKraken X73 RGB
Model nameRL-KRX73-RW
Part numberRL-KRX73-RW
Product typeLiquid Cooling System
Product colorWhite
Performance
Fan speed500–1,500 +/- 300 RPM
Fan airflow17.48–52.44 CFM
Ports & slots
Fan plug type4-pin PWM
Size & build
Radiator size394 × 121 × 27 mm
Fan size3 Fan Slots (120 mm)
Cooling block materialCopper & Plastic
Radiator materialAluminum
Fan dimensions120 mm
Tube sizeLength: 400 mm
Tubing materialRubber with Nylon Sleeve
Shipping weight2.27 kg
Package size472 × 180 × 145 mm
Compatibility
Compatible socketsIntel Socket LGA 1200, 115X, 1366, 1700, 2011, 2011-3, 2066
AMD Socket AM4, sTRX4*, TR4*(*Threadripper bracket not included)
Environment & compliance
Fan noise level22–33 dBA
More details
LED lightingRGB

Other versions of this model

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Questions about this item

What is the radiator thickness that limits case clearance?

The radiator is 27 mm thick, so verify your chassis supports a 360 mm radiator with at least that depth plus fan space.

How loud are the three Aer RGB 2 fans at full speed?

Fan noise ranges from 22 dBA at minimum RPM to 33 dBA at maximum RPM, with fluid dynamic bearings for long-term quiet operation.

Which mounting hardware is included for Intel LGA 1700 sockets?

Extra LGA 1700 brackets are required and not included; contact the manufacturer to obtain the correct mounting kit.

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