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Arctic P12 PWM PST 120mm pressure-optimised case fan in black
Arctic

Arctic P12 PWM PST

Expert rating9 / 10

View on AmazonView on arctic.de
Fan Size:
120 mm
Bearing Type:
Fluid Dynamic Bearing
Lighting:
None
Airflow:
56.3 CFM
Static Pressure:
2.2 mmH2O
Noise Level:
22.5 dBA
PWM Control:
Yes

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Disclaimer: The price and specification of the given product may differ from the actual product. Please confirm on the retailer's website before buying.

Manufacturer: Arctic Last updated: 2026-10-08

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Arctic P12 PWM PST Review

The Arctic P12 PWM PST is a pressure-optimised 120mm fan rated for 56.3 CFM of airflow and 2.2 mmH2O of static pressure at a 22.5 dBA noise ceiling, using a fluid dynamic bearing, with PWM PST daisy-chain control chaining up to 5 fans on a single header, no RGB, and a 6-year warranty, selling at roughly $7-8 per fan in a 5-pack.

Independently named the best value pick in the category, five daisy-chainable 120mm static-pressure fans at roughly $7 each, a price point no premium brand touches while delivering genuinely strong measured performance. The 'P' denotes pressure optimisation, and the 2.2 mmH2O plus 56.3 CFM is purpose-built for radiator mounts, independently confirmed as matching the CFM of pricier competitors like the Lian Li SL120 V2. The 22.5 dBA nearly matches the Noctua NF-A12x25 in noise, remarkable for the price.

Value and Performance

Independently named the best value pick in the category, five daisy-chainable 120mm static-pressure fans at roughly $7 each, a price point no premium brand touches while delivering genuinely strong measured performance. The 'P' denotes pressure optimisation, and the 2.2 mmH2O plus 56.3 CFM is purpose-built for radiator mounts, independently confirmed as matching the CFM of pricier competitors like the Lian Li SL120 V2.

Acoustics and Bearing

The 22.5 dBA nearly matches the Noctua NF-A12x25 in noise, remarkable for the price, and independently described as rivalling fans costing five times as much. The fluid dynamic bearing carries a 6-year warranty matching premium competitors despite the lower price.

PWM PST Daisy-Chain

The PST connector chains up to 5 fans on a single motherboard header without a separate controller hub, simplifying wiring for budget radiator fills.

Comparison to Alternatives

Against the Noctua NF-A12x25 PWM, that delivers meaningfully better absolute performance and a lower noise floor, but this Arctic independently delivers roughly 80% of that performance at under one-third of the price. Against the Arctic P12 Pro PST, that higher-tier model pushes considerably higher airflow and static pressure for more cooling headroom.

Our verdict

Reviewed by Burooj Alam. Rated by us, not by users.

Expert rating9 / 10

The smartest cheapest meaningful upgrade available, roughly 80% of premium performance at under one-third of the price, with matching warranty.

Best for

  • Buyers filling an entire case with fans on a budget, the smartest cheapest meaningful upgrade available.
  • Budget 240/360mm AIO radiator mounts, where the PST daisy-chain simplifies wiring.

Not for

  • Buyers specifically wanting absolute best performance regardless of price, the Noctua NF-A12x25 or G2 is better for that.

Specifications

What these specs mean

Identity and packaging

BrandArctic
ModelP12 PWM PST
Fan Thickness25 mm

Design

Fan Size120 mm
Bearing TypeFluid Dynamic
LightingNone

Performance

Static Pressure2.2 mmH2O
Max Speed1800 RPM
PWM ControlYes

Performance at maximum speed

Airflow56.3 CFM

Performance at quiet speed

Min Speed200 RPM
Zero RPM CapableYes

Power and control

Start Voltage3.9 V

Connection and daisy chain

Connector Type4-Pin PWM
Daisy Chain SupportYes
EcosystemArctic PST

Lighting

RGB LightingNo
Lighting TypeNone

Physical and finish

Cable Length400 mm
Weight145 g

Market

Warranty6 years

FAQs

What are the key specifications of the Arctic P12 PWM PST (120mm/56.3 CFM/2.2 mmH2O Static Pressure/22.5 dBA Max/Fluid Dynamic Bearing/No RGB/PWM PST Daisy-Chain/6-Year Warranty/~$7-8 per Fan in 5-Pack)?

Key specs for the Arctic P12 PWM PST: Airflow 56.3 CFM, Static Pressure 2.2 mmH2O, Max Speed 1800 RPM, Fan Size 120 mm, Bearing Type Fluid Dynamic, Fan Thickness 25 mm.

Will the Arctic P12 PWM PST (120mm/56.3 CFM/2.2 mmH2O Static Pressure/22.5 dBA Max/Fluid Dynamic Bearing/No RGB/PWM PST Daisy-Chain/6-Year Warranty/~$7-8 per Fan in 5-Pack) work with my current setup?

The Arctic P12 PWM PST (120mm/56.3 CFM/2.2 mmH2O Static Pressure/22.5 dBA Max/Fluid Dynamic Bearing/No RGB/PWM PST Daisy-Chain/6-Year Warranty/~$7-8 per Fan in 5-Pack) lists Fan Size is 120 mm. Check that against the hardware you already own before buying, since this is the field that most often decides whether a part fits.

Who is the Arctic P12 PWM PST (120mm/56.3 CFM/2.2 mmH2O Static Pressure/22.5 dBA Max/Fluid Dynamic Bearing/No RGB/PWM PST Daisy-Chain/6-Year Warranty/~$7-8 per Fan in 5-Pack) best suited to?

Best suited to: Buyers filling an entire case with fans on a budget, the smartest cheapest meaningful upgrade available; Budget 240/360mm AIO radiator mounts, where the PST daisy-chain simplifies wiring.

What are the drawbacks of the Arctic P12 PWM PST (120mm/56.3 CFM/2.2 mmH2O Static Pressure/22.5 dBA Max/Fluid Dynamic Bearing/No RGB/PWM PST Daisy-Chain/6-Year Warranty/~$7-8 per Fan in 5-Pack)?

Not the best fit for: Buyers specifically wanting absolute best performance regardless of price, the Noctua NF-A12x25 or G2 is better for that.

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