ARCTIC

ARCTIC P12 PWM PST - PC Fan, 120mm Fan, PC Case Fan, Pressure-optimised

Status: ARCTIC P12 PWM PST - PC Fan: Unavailable on Amazon as of 2026-10-20 22:18 UTC. SpecPicks has no in-stock listing with matching specs on file; the search below lists current offers. eBay sellers may still list this model new or used.

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Bottom line: The ARCTIC P12 PWM PST: 2.2 mmH2O static pressure suits radiators, dense heatsinks, and filtered intakes; main trade-off: 56.3 CFM is modest next to high-RPM airflow fans in open mesh cases.

Unavailable on Amazon as of 2026-10-20 22:18 UTC

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Currently unavailable on Amazon. Not the same product — 3 in-stock alternatives:

Similar: ARCTIC P12 Slim PWM PST — $22.19 on Amazon as of 2026-10-21 04:20 UTC (price may vary).

View Current Price — $22.19

Similar: ARCTIC P12 — $23.99 on Amazon as of 2026-10-21 04:20 UTC (price may vary).

View Current Price — $23.99

Similar: ARCTIC P12 Silent - PC Fan — $6.99 on Amazon as of 2026-10-21 04:20 UTC (price may vary).

View Current Price — $6.99

Original listing (currently unavailable) → Compare to similar cooling & fans

By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-20

Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides. About the author →

Pros & Cons

Pros

✓ 2.2 mmH2O static pressure suits radiators, dense heatsinks, and filtered intakes
✓ Wide 200-1800 RPM PWM range, with 0 RPM below 5 percent duty for silent idle
✓ Rated 0.3 Sone, quiet enough for a desk-side build at moderate speeds
✓ PST pass-through daisy-chains multiple fans off one motherboard header

Cons

✗ 56.3 CFM is modest next to high-RPM airflow fans in open mesh cases
✗ No RGB or ARGB lighting on this model, plain black-and-grey blades only
✗ Needs a 4-pin PWM header; 3-pin DC boards lose the speed control
✗ PST chaining shares one curve, so chained fans cannot be tuned separately

Manufacturer description

The ARCTIC P12 PWM PST is a 120mm case fan built around static pressure rather than raw open-air flow, which is what you want when air has to fight through a radiator, a dense heatsink, or a restrictive dust filter. ARCTIC focused the blade geometry on a concentrated airstream, and the published numbers back the design: 56.3 CFM (95.7 m3/h) of airflow, 2.2 mmH2O of static pressure, and a 0.3 Sone noise rating. The 4-pin PWM connector gives you a 200-1800 RPM range, and the fan stops entirely below 5 percent duty, so an idle system stays silent until your motherboard curve calls for more air…

SpecPicks Verdict

SpecPicks scored ARCTIC P12 PWM PST using a rating × review-volume × price-fit model applied to published specs and reviews across the cooling & fans category. ARCTIC's cooling & fans lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for cooling & fans of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Frequently Asked Questions

Is the ARCTIC P12 PWM PST good for radiators?

Yes. ARCTIC tuned the P12 for static pressure specifically, and it is rated at 2.2 mmH2O with a focused airstream, which is the characteristic that matters when air has to pass through radiator fins or a dense heatsink.

Does this fan stop spinning at idle?

It does. The speed range is 200-1800 RPM, and the fan drops to 0 RPM below 5 percent PWM duty, so it stays completely still when your motherboard curve asks for minimal cooling.

What does PST mean, and how many fans can I chain?

PST is ARCTIC's PWM Sharing Technology: the connector passes the PWM signal through so additional P12 fans can be daisy-chained from a single motherboard header. Check the product listing for the chain limit your header can support.

How loud is the ARCTIC P12 PWM PST?

ARCTIC rates it at 0.3 Sone. Because the 4-pin PWM control spans 200-1800 RPM, you can also cap the top speed in your BIOS fan curve to trade a little airflow for quieter operation.

Will it work with a 3-pin fan header?

The P12 PWM PST uses a 4-pin connector and relies on the PWM signal for speed regulation. On a 3-pin DC header you lose PWM control, so plan on a 4-pin header or a PWM-capable fan controller.

Key Features

OPTIMISED FOR STATIC PRESSURE: During the development of the new P12 PWM PST, special emphasis was placed on a focused airstream and thus a high static pressure
200 TO 1800 RPM (0 RPM <5 %) REGULATED VIA PWM PST: Thanks to 4-pin connector, the RPM can be regulated in a broad spectrum via PWM, noise is kept at minimum while maximum cooling performance is given when needed
EFFICIENT TECHNOLOGY: The motor is powered by a latest generation PWM IC, achieving higher efficiency and saving energy without compromising performance
EXTENDED LIFE SPAN: A 10 °C lower motor temperature roughly doubles the life span of a fan, the new ARCTIC motor has a four times longer service life through its low coil temperature
TECHNICAL DATA: Fan speed: 200–1800 rpm (0 rpm <5 %), Airflow: 56.3 cfm | 95.7 m³/h, Noise Level: 0.3 Sone, Static pressure: 2.2 mmH₂O, Pin: 4-pin

Full Specifications

Brand	ARCTIC
Model	ACFAN00120A
Voltage	12 volts
Wattage	1.2 watts
Material	Polycarbonate
Unit Count	1 Count
Noise Level	0.3 sones
Part Number	ACFAN00120A
Compatibility	PC
Material Type	Polycarbonate
Cooling Method	Fan
TECHNICAL DATA	Fan speed: 200–1800 rpm (0 rpm <5 %), Airflow: 56.3 cfm \| 95.7 m³/h, Noise Level: 0.3 Sone, Static pressure: 2.2 mmH₂O, Pin: 4-pin
Number of Items	1
Air Flow Capacity	56.3 cfm
Compatible Devices	Desktop
Included Components	P12 PWM PST
EFFICIENT TECHNOLOGY	The motor is powered by a latest generation PWM IC, achieving higher efficiency and saving energy without compromising performance
Power Connector Type	4-Pin
Warranty Description	6 years
Maximum Rotational Speed	1800 rpm

Ready to buy?

Amazon shows no buyable offer for ARCTIC P12 PWM PST - PC Fan at the last check. A similar in-stock product is ARCTIC P12 Slim PWM PST. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

View Similar — $22.19