Lian Li UNI FAN SL-INF FLEX 120 Standard Blade 3-Pack Black with L-Wireless Controller – 12SLIN1F3B
Lian Li UNI FAN SL-INF FLEX 120 Black 3 Pack is a verified UNI FAN SL-INF FLEX 120 Standard Blade 3-Pack Black for PC case airflow and system cooling. It is suited to custom desktop builds, system integration and replacement cooling requirements where the exact model and control method matter.
Key Specifications
- Pack quantity: 3 fans
- Blade type: Standard blade
- Fan dimensions: 120 x 124 x 28 mm
- Material: PBT / PC
- Fan speed: 0 / 200 to 2300 RPM
- Static pressure: 3.4 mmH2O
- Airflow: 67 CFM
- Acoustic noise: 29.2 dBA
Availability is subject to confirmation.
Lian Li UNI FAN SL-INF FLEX 120 Black 3 Pack is the exact UNI FAN SL-INF FLEX 120 Standard Blade 3-Pack Black from Lian Li, positioned for PC case cooling, custom desktop assembly and professional component procurement. The verified specification covers the fan format, operating speed, airflow, bearing technology, lighting and control features relevant to system planning. HCOM lists the exact model so buyers can request the correct variant rather than a visually similar fan. The product should be matched to the intended chassis position, airflow direction, connection method and lighting ecosystem before a quotation is finalized.
Product Overview
Lian Li UNI FAN SL-INF FLEX 120 Black 3 Pack is supplied as 3 fans and uses the verified fan format of 120 x 124 x 28 mm. Published operating data includes 0 / 200 to 2300 RPM and 67 CFM airflow. These values give builders a technical reference when comparing the model with existing case fans or planned cooling layouts. The fan can be used in a new system or as a replacement when the mounting format and electrical connections are compatible. Overall cooling results still depend on the complete chassis, filters, component heat output and fan placement rather than the fan specification alone.
Cooling Performance Positioning
Lian Li UNI FAN SL-INF FLEX 120 Black 3 Pack should be assessed from its verified airflow and speed characteristics instead of appearance alone. The published bearing technology is Fluid Dynamic Bearing (FDB), while the listed acoustic figure is 29.2 dBA. These details are useful when choosing a fan for general case airflow, a filtered intake position or another compatible mounting point. HCOM does not infer unlisted temperature improvements or performance gains. Buyers should use the published values as comparison data and then validate the completed build under its actual workload, fan curve and chassis restrictions.
Lighting and Visual Integration
Lian Li UNI FAN SL-INF FLEX 120 Black 3 Pack includes the lighting implementation documented for this exact model. Lighting is separate from core airflow performance, but it can be important in gaming PCs, creator systems and display-oriented custom builds. The connection method should be checked before installation because ARGB, RGB, proprietary controllers and motherboard headers are not automatically interchangeable. Where software synchronization is supported, the correct header and supported control path should be used. This avoids unnecessary adapters and helps the lighting behave as intended without changing the verified electrical configuration of the fan.
Control and Connection Planning
Lian Li UNI FAN SL-INF FLEX 120 Black 3 Pack uses L-Wireless Controller included. Before installation, identify the fan power connection, lighting connection and any controller or receiver required by the exact pack. Multi-fan systems benefit from a simple connection plan that records which header or controller channel is used for each group. This is particularly helpful for integrators building several identical PCs because it improves repeatability and cable management. Header limits and controller requirements should always be checked against the motherboard or controller documentation instead of being assumed from the connector shape alone.
Key Product Features
The verified feature set of Lian Li UNI FAN SL-INF FLEX 120 Black 3 Pack includes standard-blade airflow design, L-Wireless Controller included in the 3-pack, Fluid Dynamic Bearing, 58-LED lighting system and PBT / PC construction. These characteristics define the model more accurately than generic descriptions such as “RGB case fan.” For procurement, the exact part number is important because the same fan family may include different colors, pack quantities, standard or reverse blade options, LCD variants, or controller bundles. HCOM therefore keeps the exact model identity in the product title and SKU while using a readable product URL without the MPN.
Airflow Direction and Placement
Lian Li UNI FAN SL-INF FLEX 120 Black 3 Pack should be installed with the intended airflow direction confirmed before the fan is secured. Chassis layouts often use front or bottom fans as intake and rear or top fans as exhaust, but the correct arrangement depends on the case design. Standard and reverse blade models can present different visible sides while moving air in the intended direction, so orientation should not be guessed from appearance. A balanced plan also considers dust filtration, open vents and the airflow produced by CPU and graphics cooling. The goal is a clear path through the chassis rather than simply adding the maximum number of fans.
Mechanical Compatibility
Lian Li UNI FAN SL-INF FLEX 120 Black 3 Pack has a verified nominal format of 120 x 124 x 28 mm. Even when the chassis lists support for the same nominal size, buyers should confirm mounting-hole placement, frame thickness, radiator clearance and nearby cable or motherboard components. Some fans use thicker frames or additional connection hardware that requires more depth than a basic chassis fan. This matters especially at the top of a compact case or beside a radiator. HCOM recommends checking the case manual and the exact product dimensions before bulk purchasing so the selected fan can be installed without interference or improvised mounting changes.
Fan Curves and Acoustics
Lian Li UNI FAN SL-INF FLEX 120 Black 3 Pack has published speed and noise information that can help with fan-curve planning. Real system noise, however, is influenced by case resonance, dust filters, grills, radiator fins and the selected operating speed. Where PWM or another supported speed-control method is available, the system can be configured to increase fan speed with thermal demand instead of operating at maximum output continuously. This is useful in office, creator and gaming systems where both cooling and acoustic behaviour matter. Final fan curves should be validated on the completed PC because two different chassis can produce different acoustic results with the same fan.
Use in Custom PCs
Lian Li UNI FAN SL-INF FLEX 120 Black 3 Pack can be considered for gaming systems, creator workstations, enthusiast desktops and other custom PCs when its size and connections match the build. Case fans support the wider thermal environment around the graphics card, CPU cooler, motherboard, memory and storage devices by moving air through the enclosure. They do not replace component-specific coolers, and their effectiveness depends on the path available for intake and exhaust. For a visually coordinated build, the verified lighting and color variant can also be matched with the case, cooler and other illuminated components without changing the technical requirements of the fan installation.
System-Integrator and Business Use
Lian Li UNI FAN SL-INF FLEX 120 Black 3 Pack is also relevant to resellers and system integrators that need a repeatable fan specification across several PCs. Standardising an exact model can make assembly instructions, spare planning and future replacement easier. The manufacturer part number or verified model should be listed in the bill of materials so purchasing teams do not substitute a different blade orientation, controller bundle or color by mistake. HCOM can quote the fan together with cases, power supplies, motherboards, processors, memory, graphics cards, SSDs and CPU coolers when customers want a coordinated component procurement process rather than separate consumer-style purchases.
Installation Guidance
Before fitting Lian Li UNI FAN SL-INF FLEX 120 Black 3 Pack, review the case mounting positions and the motherboard or controller documentation. Confirm the intended intake or exhaust direction, cable reach, fan header, lighting header and any included controller path. Keep cables away from the blades and ensure filters or panels can still be removed for maintenance. For multi-fan packs, planning the cable route before final tightening can significantly simplify the build. If the product uses daisy-chain, controller, receiver or remote functions, follow the documented connection order for the exact model instead of mixing cables from unrelated fan ecosystems that may use different pinouts or control logic.
Procurement Considerations
When requesting Lian Li UNI FAN SL-INF FLEX 120 Black 3 Pack from HCOM, customers should specify the exact part number, quantity and any build-specific requirements such as case model, airflow orientation or lighting ecosystem. This is especially important for product families that contain single packs, triple packs, black and white variants, standard and reverse blade options, or different controller bundles. If the exact model is unavailable, a proposed alternative should be reviewed technically before substitution. HCOM can support quotation-based sourcing for individual builds, reseller requirements and larger project quantities, with final product availability confirmed by the sales team at the time of enquiry.
Technical Specifications
| Pack quantity | 3 fans |
|---|---|
| Blade type | Standard blade |
| Fan dimensions | 120 x 124 x 28 mm |
| Material | PBT / PC |
| Fan speed | 0 / 200 to 2300 RPM |
| Static pressure | 3.4 mmH2O |
| Airflow | 67 CFM |
| Acoustic noise | 29.2 dBA |
| Bearing | Fluid Dynamic Bearing (FDB) |
| Operating voltage | DC 12V |
| LED count | 58 LEDs |
| Controller | L-Wireless Controller included |
FAQs
What is Lian Li UNI FAN SL-INF FLEX 120 Black 3 Pack?
It is the verified UNI FAN SL-INF FLEX 120 Standard Blade 3-Pack Black from Lian Li for PC case cooling and airflow.
What fan size does Lian Li UNI FAN SL-INF FLEX 120 Black 3 Pack use?
The verified format is 120 x 124 x 28 mm.
What is the published speed?
The source-listed fan speed is 0 / 200 to 2300 RPM.
What airflow is listed?
The published airflow value is 67 CFM.
Who should consider this model?
PC builders, businesses, resellers and integrators can consider it when the mounting size, airflow direction, connector type and lighting features match the planned system.
Why Source Through HCOM
HCOM supplies Lian Li UNI FAN SL-INF FLEX 120 Black 3 Pack through a quotation-oriented workflow designed for professional IT product sourcing. Customers can request the exact fan as a standalone component or include it within a wider desktop build list. The product identity, verified SKU and major technical specifications are kept clear so procurement teams can compare the requested model with project requirements. HCOM supports UAE and wider regional or international enquiries for business, reseller and system-integration needs.






