Description
ARCTIC P12 Slim PWM PST 120mm Low-Profile 3 Pack Case Fans
ACFAN00275A
The ARCTIC P12 Slim PWM PST (ACFAN00275A) is a set of three slim 120 mm case fans engineered for efficient and adaptable cooling in systems where space is at a premium. With a thickness of just 15 mm, these fans are ideal for small form factor (SFF) builds, HTPCs, radiators with tight clearance, and areas constrained by dust filters or tight hardware placement.
These fans feature a wide 300 – 2100 RPM PWM range, allowing them to operate nearly silently at low loads and ramp up when demands increase. The high-static pressure design pushes air effectively through obstacles like radiators and filters, helping maintain strong airflow even in restricted environments.
The PWM Sharing Technology (PST) lets you daisy-chain multiple fans through a single motherboard PWM header, simplifying cable management while keeping fan speeds synchronized. A robust fluid dynamic bearing enhances durability and reduces noise over long operation periods.
Why It’s a Great Choice
Low-Profile Design for Tight Spaces:
The 15 mm slim profile makes these fans perfect for builds where standard 25 mm fans won’t fit, such as compact cases, HTPC setups, or behind radiators with limited clearance.
Balanced Performance & Acoustics:
With a wide PWM range (300 – 2100 RPM), the fans can run quietly during light use and spin up for powerful airflow when needed — delivering both performance and comfort.
Optimised Static Pressure:
Designed for high static pressure, these fans can push air effectively through dust filters and radiators, enhancing cooling efficiency even when airflow faces resistance.
PWM Sharing Technology (PST):
PST makes it easy to daisy-chain multiple fans using a single motherboard PWM header, simplifying cabling and ensuring synchronized cooling control across fans.
Quiet & Long-Lasting:
The fluid dynamic bearings promote low noise and a durable lifespan, ideal for both everyday use and continuous operation in systems that run 24/7.
Versatile Installation Options:
These fans work equally well as case intake/exhaust fans, or on radiators in push/pull configurations — offering flexible cooling options for almost any PC build.
6-Year Warranty Trust:
Backed by ARCTIC’s 6-year warranty, you get peace of mind and confidence in the product’s long-term reliability.
Specifications:
| Specification | Details |
|---|---|
| Brand | ARCTIC |
| Model / SKU | P12 Slim PWM PST (ACFAN00275A) |
| Pack Quantity | 3 Fans |
| Fan Size | 120 × 120 × 15 mm |
| Speed Range | 300 – 2100 RPM (PWM) |
| Airflow | ~42.1 CFM / ~71.5 m³/h |
| Static Pressure | ~1.33–1.45 mm H₂O |
| Bearing | Fluid Dynamic Bearing |
| Noise Level | ~0.3 Sone |
| Connector | 4-Pin PWM + 4-Pin PST |
| Cable Length | ~400 mm |
| Operating Temp. | 0 – 40 °C |
| Weight | ~85 g per fan |
| Colour | Black |
| Warranty | 6 Years |
| Use Case | SFF systems, radiators, intake/exhaust airflow |




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