Lian Li UNI Fan CL Flex 120MM RGB Reverse Blade Black Fan

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⚡ Engineering Highlights at a Glance:

• Reverse Blade Design: Designed for intake configurations while showing the fan’s front face, maintaining a clean, unified RGB aesthetic.
• Dual-Zone RGB Lighting: Independent control of the fan blades and side light strips creates layered illumination with a clean yet expressive look.
• Interlocking Design: Links multiple UNI Fan CL Flex fans into one aligned group for easier installation and cleaner cable management.
• FLEX Receiver: Integrates power, RPM reporting, fan-speed, and lighting control into one compact module.
• L-Wireless Ecosystem: Unified control of up to 10 channels of compatible Lian Li devices through L-Connect 3.
• Dual Control Modes: Choose between L-Connect 3 or motherboard PWM/5V 3-pin ARGB sync.
• Aluminum-Style Center Nameplate: Creates a refined focal point that elevates the clean RGB design.
• FDB Bearing: Delivers up to 2100 RPM, 72.73 CFM airflow, and 30.8 dBA noise level for reliable cooling.

Reverse Blade vs Standard Blade

Reverse blade fans are designed for intake configurations where you want the fan’s front face (with its lighting and aesthetic) visible from inside the case. Standard blade fans push air through the back, making the rear visible. In a typical PC build, side-mounted fans on cases like the O11 Dynamic are intake, so reverse blade fans let you show the dual-zone RGB and aluminum nameplate while still pulling air into the case. Choose reverse blade when the visible side of your fan should be the intake side.

🔧 Control Modes and Setup

The UNI Fan CL Flex supports two control modes: L-Connect 3 via L-Wireless (2.4GHz) and motherboard sync via 4-pin PWM and 5V 3-pin ARGB cables. Use L-Connect 3 to access custom device naming, fan grouping, fan curves, and advanced lighting effects. When the wireless receiver is connected and bound in L-Connect 3, users can freely switch between motherboard sync and L-Wireless lighting control. Motherboard sync can be used without L-Connect 3 for a simpler setup.

📐 Fan Grouping and Expansion

Each FLEX Receiver supports up to 4 matching UNI Fan CL Flex fans for simple and organized fan group expansion. For optimal RPM accuracy, group fans with the same blade orientation on each receiver. The interlocking clip design links multiple fans into one aligned group for easier installation and cleaner cable management. Daisy-chain the fans to reduce cable clutter, and use the included cables for power delivery and ARGB sync.

For the cleanest build, use the interlocking clip design to link multiple UNI Fan CL Flex fans into one aligned group. Connect the FLEX Receiver for power and control, and use the included 5V 3-pin ARGB cable for motherboard sync if you prefer not to use L-Connect 3. If you want advanced control, install L-Connect 3 and bind the L-Wireless Controller (available separately or in multi-pack) to access custom device naming, fan grouping, fan curves, and lighting effects. Reverse blade fans are ideal for side-mounted intake positions where the front face is visible—this lets you show the dual-zone RGB lighting and aluminum nameplate while pulling air into the case. Group fans with the same blade orientation on each FLEX Receiver for optimal RPM accuracy. For quiet operation, set fan curves to keep speeds below 1500 RPM under typical loads, or use the 0 RPM mode for silent operation at low temperatures. The 3-year warranty on both fan and receiver provides long-term peace of mind.