ARCTIC

ARCTIC P12 PWM PST (5 Pack)

Status: ARCTIC P12 PWM PST: Unavailable on Amazon as of 2026-10-21 04:13 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: PST daisy-chaining runs all 5 fans off one motherboard PWM header; main trade-off: 56.30 CFM is mid-pack; high-airflow P12 Max moves more air.

Unavailable on Amazon as of 2026-10-21 04:13 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 P8 PWM PST — $24.95 on Amazon as of 2026-10-21 04:20 UTC (price may vary).

View Current Price — $24.95

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

By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-21

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

✓ PST daisy-chaining runs all 5 fans off one motherboard PWM header
✓ 2.20 mmH2O static pressure suits radiators and restrictive mesh panels
✓ 0 RPM below 5% PWM duty for a fully silent idle

Cons

✗ 56.30 CFM is mid-pack; high-airflow P12 Max moves more air
✗ No RGB or ARGB lighting, black-on-black only
✗ PST chain means every fan on it shares one speed curve
✗ Requires a 4-pin PWM header; 3-pin DC boards lose speed control

Manufacturer description

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 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 MORE EFFICIENT TECHNOLOGY: The motor is powered by a Neodym-Iron-Boron-Magnet ring of the newest generation, which allows the new P12 PWM PST to run much more efficiently than its predecessors

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

Do all five fans plug into one motherboard header?

Yes. PWM Sharing Technology lets you daisy-chain the fans, so the whole 5-pack can run from a single 4-pin PWM header and follow one shared speed curve.

Are these good for an AIO radiator or just case airflow?

They are pressure-optimised, rated at 2.20 mmH2O static pressure, which is the spec that matters for pushing air through radiator fins and dust filters, not just open case airflow.

How loud are they at full speed?

ARCTIC rates them at 0.3 Sone at the top of the 200-1800 RPM range. Below 5% PWM duty they stop entirely at 0 RPM, so idle is silent.

Will they work if my motherboard only has 3-pin fan headers?

The fans use a 4-pin PWM connector. On a 3-pin DC header they will spin, but you lose PWM speed regulation and the 0 RPM stop feature.

Is the 5-pack worth it over buying single fans?

Buying five together is generally the better value than buying single 120mm fans, and the PST cables are included so you do not need to buy a separate splitter hub. Check the current listing for today's price.

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 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
MORE EFFICIENT TECHNOLOGY: The motor is powered by a Neodym-Iron-Boron-Magnet ring of the newest generation, which allows the new P12 PWM PST to run much more efficiently than its predecessors
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: 5 Pack, Fan speed: 200–1800 rpm (0 rpm <5 %), Airflow: 56.30 cfm | 95.65 m³/h, Noise Level: 0.3 Sone, Static pressure: 2.20 mmH₂O, Pin: 4-pin

Full Specifications

Size	P12 PWM PST (5 Pack)
Brand	ARCTIC
Color	black
Model	ACFAN00137A
Warranty	6 years
UnitCount	5
ReleaseDate	2018-10-14T00:00:01Z
Manufacturer	ARCTIC
IsAdultProduct	false
ItemPartNumber	ACFAN00137A
Full listing title	ARCTIC P12 PWM PST (5 Pack) - PC Fans, 120mm Case Fan, PWM Sharing Technology (PST), Pressure-optimised, Quiet Motor, Computer, 200–1800 RPM (0 RPM <5%) - Black

Ready to buy?

Amazon shows no buyable offer for ARCTIC P12 PWM PST 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