Problem & Solution
Inadequate PC case airflow leads to heat accumulation inside the chassis, which can force graphics cards and processors to throttle speeds under load. Many basic or fixed-speed case fans either run at full speed constantly—creating unnecessary background noise—or fail to provide sufficient airflow when component temperatures peak.
The UPSIREN UF-1 PRISM 4 PRO addresses this thermal management balance by pairing a standard 120mm chassis footprint with dynamic 4-pin PWM control. This allows your motherboard to automatically adjust fan speeds from a baseline of 600 RPM up to 1500 RPM depending on internal heat levels. Delivering up to 45.2 CFM of air volume alongside addressable RGB (ARGB) lighting, it provides both functional ventilation and personalized case lighting for custom desktop builds.
Who Is It For?
Designed for PC builders, system integrators, and desktop enthusiasts seeking a standard 120mm case fan to improve chassis ventilation or replace basic stock fans. It suits users who prioritize automated thermal management via motherboard 4-pin PWM curves and require addressable RGB lighting sync.
It is best suited for standard intake and exhaust duties in mid-tower or ATX desktop cases. Users needing specialized high-static-pressure fans for dense liquid cooling radiators or those who require certified low-dBA silent ratings should review exact pressure and acoustic requirements prior to purchase.
Key Features
- 600-1500 RPM Speed RangeAllows silent idling during light workloads and increased airflow when internal chassis heat rises.
- 4-Pin PWM Control ConnectorPlugs directly into motherboard headers for automated software or BIOS-based fan curve control.
- 45.2 CFM Maximum AirflowMoves sufficient volume to cycle fresh air into or exhaust warm air out of standard desktop cases.
- Integrated ARGB LightingProvides configurable RGB illumination synced with compatible motherboard headers or ARGB hubs.
- Standard 12cm (120mm) Form FactorFits most conventional PC chassis intake, exhaust, and top panel fan mounting locations.
- 12V Operating VoltageStandard power specification ensuring broad compatibility with standard PC motherboard power delivery.
Technical Specifications
| Fan Size | 12cm / 120mm |
| Rotational Speed | 600 - 1500 RPM |
| Airflow Volume | 45.2 CFM |
| Power Interface | 4-Pin PWM |
| Rated Voltage | 12V |
| Lighting | Addressable RGB (ARGB) |
| Noise Level | Not specified |
| Bearing Type | Not specified |
Pros & Cons
Pros
- Dynamic speed control via standard 4-pin PWM interface
- Universal 120mm chassis mounting compatibility
- Integrated ARGB lighting for aesthetic custom builds
- 600 RPM low-end threshold allows reduced noise during basic idle tasks
Cons
- Specific decibel (dBA) noise ratings are not specified in product data
- Static pressure rating (mmH2O) is not provided in available technical details
- Internal bearing type is not explicitly stated in official specs
FAQ
The fan utilizes a standard 4-pin PWM connector for power and variable speed control via motherboard fan headers.
Yes, because it uses a 4-pin PWM connection, your motherboard BIOS or control software can adjust fan speeds dynamically between 600 and 1500 RPM based on temperature sensors.
The manufacturer lists a maximum airflow rating of 45.2 CFM at peak rotational speed.
No, specific dBA noise output figures and internal bearing specifications are not confirmed in the available product data.
Final Verdict
A practical choice for desktop PC builders looking for a standard 120mm case fan with automated 4-pin PWM speed control and ARGB lighting. Recommended if you need routine chassis intake or exhaust airflow and want motherboard-managed fan curves. Skip if you require verified static pressure ratings for dense liquid cooling radiators or exact dBA acoustic measurements before buying.