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Black single-tower CPU cooler with four copper heat pipes and a 120 mm RGB fan

Phanteks

Phanteks PH-TC12ST4_DBK01 Polar ST4 CPU cooler

SKU CH-8NAD-TX88M MPN PH-TC12ST4_DBK01

A single-tower air cooler with four direct-contact heat pipes and a 120 mm D-RGB fan rated for 235 W TDP

  • ColorBlack
  • TypeFan & Heatsinks
  • Fan Size120mm
  • CPU Socket CompatibilityAMD Socket AM4 / AMD Socket AM5 / Intel LGA 1150 / Intel LGA
  • Bearing TypeHydraulic Bearing
  • TDP235W

Model PH-TC12ST4_DBK01

  • Four heat pipes touch the CPU directly for efficient heat transfer
  • 120 mm fan runs 400 to 2000 RPM delivering 84.26 CFM airflow
  • Hydraulic bearing keeps noise to 35.7 dBA at full speed
  • 5 mm height fits most cases without blocking memory slots
  • Supports Intel LGA 1851, 1700, 1200 and AMD AM5, AM4 sockets

Polar ST4 cooler for mainstream CPUs

The Phanteks Polar ST4 is a single-tower air cooler built around four sintered powder copper heat pipes that make direct contact with the CPU. A 120 mm M25 D-RGB fan spins between 400 and 2000 RPM, pushing 84.26 CFM at a maximum of 35.7 dBA. The assembly stands 154.5 mm tall and weighs 1.6 lbs, rated to dissipate 235 W TDP.

Suits builders wanting quiet RGB cooling without

The slim 120 x 50 mm heatsink footprint clears tall memory modules on AM4, AM5, LGA 1200, 1700 and 1851 platforms. Hydraulic-bearing fan and 2.67 mm H₂O static pressure keep airflow steady through dense fins. Buyers needing higher thermal headroom for heavy overclocks or compact cases limited to low-profile coolers should look elsewhere.

Straightforward steel mounting kit fits Intel

The included back-plate and spring-loaded screws secure the cooler in minutes using a standard cross-head screwdriver. Apply paste, align the four heat-pipe bases, tighten diagonally, then connect the 4-pin PWM and 3-pin ARGB headers. The only common snag is forgetting to remove the protective film from the copper base before installation.

Points forts

  • Four heat pipes touch the CPU directly for efficient heat transfer
  • 120 mm fan runs 400 to 2000 RPM delivering 84.26 CFM airflow
  • Hydraulic bearing keeps noise to 35.7 dBA at full speed
  • 5 mm height fits most cases without blocking memory slots
  • Supports Intel LGA 1851, 1700, 1200 and AMD AM5, AM4 sockets

Caractéristiques

BrandPhanteks
ModelPolar ST4
Part NumberPH-TC12ST4_DBK01
ColorBlack
TypeFan & Heatsinks
Fan Size120mm
CPU Socket CompatibilityAMD Socket AM4 / AMD Socket AM5 / Intel LGA 1150 / Intel LGA 1151 / Intel LGA 1155 / Intel LGA 1156 / Intel LGA 1200 / Intel LGA 1700 / Intel LGA 1851
Bearing TypeHydraulic Bearing
TDP235W
RPM400~2000 +/- 10% RPM
Air Flow84.26 CFM
Noise Level35.7 dBA
Power Connector4 Pin
Pressure2.67mm H2O
LEDRGB
Heatsink MaterialAluminum & Copper
Max CPU Cooler Height154.5 mm
Fan Dimensions120 x 120 x 25 mm
Heatsink Dimensions120 x 50 x 154.5 mm
Weight1.6 lbs.
Package Contents1 x Polar ST4-120 heatsink
1 x M25-120 D-RGB Fan
1 x Mounting hardware for all listed sockets
1 x Low noise adapter
1 x PH-NDC thermal compound
1 x Thermal paste spreader
1 x Installation guide
1 x Intel back plate (ABS Plastic) for LGA115X/1200/1700
4 x Fan wire clips
2 x Universal socket bracket
4 x stand-off for LGA1200/AM4/AM5
4 x stand-off for LGA1700
4 x AMD AM4/AM5 screws
4 x Intel LGA115X/1200/1700 screws
Poids d’expédition0.91 kg
Dimensions du colis178 × 178 × 127 mm

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Questions sur cet article

What motherboard socket must my board have for the Phanteks Polar ST4 to mount?

The cooler supports Intel LGA 1851, 1700, 1200, 1156, 1155, 1151 and 1150, plus AMD AM5 and AM4 sockets.

Will the 154.5 mm tall heatsink clear my existing RAM modules?

The slim single-tower design is built to avoid RAM clearance issues on standard motherboards.

How can I confirm the M25 120 mm fan is running within its 400 to 2000 RPM range after install?

Monitor the 4-pin fan header in BIOS or software; the hydraulic-bearing fan should report speeds between 400 and 2000 RPM.

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