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Black 360 mm AIO radiator with three 120 mm fans and infinity mirror pump cap

Phanteks

Phanteks Glacier One 360 M25 A-RGB Liquid Cooler Black

SKU CH-TFMN-3M2MK

A 360 mm liquid CPU cooler with three 120 mm PWM fans reaching 2000 RPM and an infinity-mirror pump cap with addressable RGB

  • Radiator size396 × 120 × 27 mm
  • Fan size3 Fan Slots (120 mm)
  • AMD socket supportAMD AM4, sWRX8, sTRX4*, TR4*(*Threadripper bracket included
  • Intel socket supportIntel LGA 115x, 2011, 2011-3, 2066, 1200, 1700
  • Cooling block materialCopper & Acrylic
  • Radiator materialAluminum

Series GLACIER ONE 360

Fan Size 3 Fan Slots (120mm)

Color Black

  • Cools high-TDP CPUs across Intel LGA 115x, 1200, 1700 and AMD AM4, sTRX4, TR4
  • Infinity mirror pump cap with tempered glass window and integrated D-RGB lighting
  • Three M25 120 mm PWM fans deliver 84.26 CFM airflow at 35.7 dBA
  • Pre-filled loop with reinforced braided sleeving and 100 % copper cold plate for plug-and-play reliability
  • D-RGB synchronises with Phanteks D-RGB products, compatible cases and motherboards

Glacier One 360 M25 A-RGB Identity

The Phanteks Glacier One 360 M25 A-RGB is an all-in-one liquid CPU cooler built for high-performance desktop processors. It supports current Intel LGA 1200 and 1700 sockets as well as AMD AM4 and Threadripper platforms. The 360 mm radiator uses three 120 mm M25 PWM fans for substantial heat dissipation. Integrated addressable RGB lighting on the infinity mirror pump cap synchronises with compatible motherboard software for unified aesthetics.

Thermals Noise and Power Draw

Three M25 120 mm PWM fans spin between 500 and 2000 RPM, delivering up to 84.26 CFM of airflow at a maximum noise level of 35.7 dBA. The PWM-controlled pump and fans adjust speed automatically based on CPU temperature, keeping acoustics low during light workloads. A 100 % pure copper cold plate transfers heat into the aluminium radiator, while reinforced braided tubing resists kinking and evaporation for consistent long-term operation.

Upgrade Context and Value

This cooler replaces stock air coolers or smaller 240 mm and 280 mm AIOs when thermal headroom becomes a bottleneck for sustained boost clocks. The 360 mm radiator surface area suits overclocked CPUs and multi-core workloads that saturate lesser cooling solutions. Builders who need a compact single-fan or dual-fan radiator for space-constrained cases should consider smaller Glacier One models instead.

How it compares

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

Price $115.99
Pricier than about 71% of the 1,190 comparable items (median $71.99).

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Specifications

Product
Brand namePhanteks
Product lineGLACIER ONE 360
Model nameM25-BK
Product typeLiquid Cooling System
Product colorBlack
Performance
Fan speed500 to 2000±10% RPM
Fan airflow84.26 CFM
Ports & slots
Fan plug type4 PIN/3 PIN
Size & build
Radiator size396 × 120 × 27 mm
Fan size3 Fan Slots (120 mm)
Cooling block materialCopper & Acrylic
Radiator materialAluminum
Compatibility
AMD socket supportAMD AM4, sWRX8, sTRX4*, TR4*(*Threadripper bracket included with CPU)
Intel socket supportIntel LGA 115x, 2011, 2011-3, 2066, 1200, 1700
Environment & compliance
Fan noise level35.7 dBA
More details
LED lightingARGB

Other versions of this model

2 more in the same range

Questions about this item

How do I mount the pump block on an Intel LGA 1700 socket, and which step do people often miss?

Use the Intel LGA 1700 bracket from the kit, apply thermal paste, then secure the block with the four spring-loaded screws in a diagonal pattern; the step often missed is removing the protective film from the copper cold plate before mounting.

What part of this cooler will need replacement first, and when should I plan for it?

The three 120 mm M25 PWM fans are the only moving parts besides the pump; with a rated speed range of 500-2000 RPM and 35.7 dBA noise, expect several years of service before fan bearing wear becomes audible.

At what point does the radiator hit its thermal limit during a long, heavy workload?

The 396 × 120 × 27 mm aluminum radiator with three 120 mm fans moving 84.26 CFM each will saturate once coolant temperature stabilises, typically after 10-15 minutes of sustained maximum CPU load.

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