Description
ARCTIC S12038-8K PWM 120mm Server Fan
ACFAN00294A
The ARCTIC S12038-8K PWM (ACFAN00294A) is a high-performance 120 mm server fan designed to deliver strong, reliable cooling in systems where airflow and pressure matter — such as servers, 3U+ chassis, dense workstation builds, industrial machines, and heavy-duty PC cooling.
With a wide PWM-regulated speed range from 800 RPM to 8000 RPM, this fan can be tuned from efficient, quiet operation at low loads to powerful airflow under demanding thermal conditions. Its excellent static pressure (37 mm H₂O) and high airflow (220 CFM / 370 m³/h) ensure air is pushed effectively through restrictive vents, heatsinks, and rack-mounted systems.
The fan’s dual ball bearing design paired with a brass housing enhances mechanical stability while minimising wear and tear, making this fan suitable for continuous 24/7 operation in server and industrial environments.
Why It’s a Great Choice
Powerful Airflow & Pressure:
With ~220 CFM airflow and 37 mm H₂O static pressure, this fan pushes air through dense heatsinks, filters, and tight chassis layouts effectively — ideal for servers and 3U+ rack-mounted systems.
Wide PWM Control for Precision:
The 800 – 8000 RPM range lets the fan scale from quiet cooling at low temperatures to strong ventilation under heavy thermal load — balancing acoustics with performance.
Durable, Continuous-Duty Design:
The dual ball bearing with brass housing increases durability and mechanical stability — perfect for 24/7 operation in servers, industrial systems, and high-performance PCs.
Versatile System Compatibility:
The standard 4-pin PWM connector can be controlled via motherboard or fan controller and also supports 2- or 3-pin headers — giving flexibility across systems.
Reliable in Harsh Conditions:
Designed for continuous duty, this fan withstands heat, dust, and environmental stresses typical in server and industrial deployments.
Long Warranty Confidence:
Backed by a 6-year manufacturer warranty, giving peace of mind for long-term reliability and performance.
Specifications:
| Specification | Details |
|---|---|
| Brand | ARCTIC |
| Model / SKU | S12038-8K PWM (ACFAN00294A) |
| Fan Size | 120 × 120 × 38 mm |
| Speed Range | 800 – 8000 RPM (PWM controlled) |
| Airflow | 220 CFM / 370 m³/h |
| Static Pressure | 37 mm H₂O |
| Bearing Type | Dual Ball Bearing with brass housing |
| Connector | 4-Pin PWM |
| Voltage / Current | 12 V DC • 2.2 A |
| Start-Up Voltage | ~6.5 V DC |
| Cable Length | 300 mm |
| Weight | ~328 g |
| Colour | Black |
| Operating Temp. | –10 °C to 70 °C |
| Warranty | 6 Years |
| Use Case | Server cooling, cases, heatsinks, radiators |




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