Lian Li UNI Fan SL Flex 120mm ARGB, 3 Pack, Controller Included | Black (12SL1F3B)
Bottom line: The Lian Li UNI Fan SL Flex 120mm ARGB is a specs-and-price decision rather than a crowd-consensus one in the retro cpu coolers & fans category. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.
As an Amazon Associate, SpecPicks earns from qualifying purchases. Full disclosure →
Pros & Cons
Pros
- ✓ Features a re-designed infinity mirror side frame.
- ✓ Backed by Lian Li's warranty and support channels
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated
SpecPicks Verdict
SpecPicks scored Lian Li UNI Fan SL Flex 120mm ARGB using a rating × review-volume × price-fit model applied to published specs and reviews across the retro cpu coolers & fans category. Lian Li's retro cpu coolers & fans lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for retro cpu coolers & fans of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Key Features
- Important: This is a NORMAL BLADE fan (NOT a Reverse Blade fan), Controller Included. Please double-check the airflow direction and model type before purchase to avoid ordering the incorrect version.
- Features a re-designed infinity mirror side frame.
- ARGB Lighting Control: 5V 3-Pin ARGB Control Mode allows users to manage fan lighting via motherboard software while controlling fan speed through PWM or wireless options.
- Support flexible control options, allowing users to choose between motherboard PWM or L-Connect 3 control while maintaining wireless functionality and simplified cable management.
- Programmable RGB lighting enhances visual appeal and synchronizes perfectly with other Lian Li products.
Full Specifications
| Brand | Lian Li |
|---|---|
| Connectivity | Wireless |
| Connection Type | Wireless |
| ARGB Lighting Control | 5V 3-Pin ARGB Control Mode allows users to manage fan lighting via motherboard software while controlling fan speed through PWM or wireless options. |
Ready to buy?
Lian Li UNI Fan SL Flex 120mm ARGB, 3 Pack, Controller Included | Black (12SL1F3B) is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
Related Retro CPU Coolers & Fans
More guides & deep dives from the SpecPicks archive
Browse all articles & guides →- The Complete Voodoo5 5500 AGP Driver Guide (2026 Edition)
- Best Retro Handhelds in 2026 — From $35 to $500
- RTX 4070 Super vs RX 7800 XT — Which to Buy in 2026
- Best Budget Gaming PC Build 2026 — ~$1,000 ($800 on Sale)
- Best 1440p Gaming GPUs in 2026
- Emulation Hardware in 2026: FPGA, Software, and Cart-Reader Ecosystems
- How to Build a Windows 98 Retro PC in 2026
More reviews from the SpecPicks archive
Browse all reviews →- Best NVMe SSD for Local AI Model Storage in 2026
- Aider vs Cline vs Continue.dev for Local-LLM Coding on a 12GB GPU
- Sound Blaster Audigy 2 ZS vs Sound Blaster Live! on Windows 98: Which Wins for Late-90s Gaming?
- AMD Ryzen AI Max for Local LLMs: What the Specs Mean
- AMD Ryzen AI Max+ 395 Box (Strix Halo) for Local LLMs: What 128GB Unified Memory Actually Buys You
- Best Budget Local-LLM Box: RTX 3060 12GB + Ryzen 5 5600G
- Run Chrome's Tiny Gemini Nano AI on PC Without a GPU
- Kimi K3 Scores 57 on Intelligence Index at $0.94/Task
- Blue Yeti vs HyperX QuadCast 2 S: Best Streaming Mic 2026
- Best GPU for Llama 3.1 8B (2026)
- Best 1440p 240Hz Gaming Monitors for Competitive FPS in 2026
- ComfyUI on an RTX 3060 12GB: Local Stable Diffusion Setup and Real Throughput
- Building a period-correct Windows 98 gaming rig in 2026
- Best Controller for PC Emulation and Retro Console Crossover (2026)
- Best Budget PC Gaming Peripherals and Desk Setup in 2026
- GeForce4 Ti 4600 tuning guide — ForceWare, Detonator, and XP/98 driver pairing
- Best SATA SSD to Upgrade a PS4 Pro in 2026: Faster Loads on a Budget
- Quiet RTX 3060 12GB Local LLM Box: Build Notes from a Real Setup
- Gemma-4-Harmonia-31B Uncensored on RTX 3060 12GB: Quantization, VRAM, and tok/s
- Intel LLM-Scaler vLLM 1.4 on Arc Pro B70: What the Latest Driver Stack Means for Local Inference
- Gemini-Class Models on Local Hardware: How Much VRAM You Actually Need
- AMD Radeon RX 9070 GRE Review: Thoroughly Midrange
- RTX 3060 12GB vs Arc B580 12GB for Local LLMs in 2026
- Is vLLM Worth It If You're Not Serving Other Users?
Earliest SpecPicks reviews
Browse full archive →- Best GPU for Llama 3.1 8B (2026)
- Best GPU for Qwen 3 14B (2026)
- Best GPU for Qwen 3 32B (2026)
- Best GPU for Llama 3.1 70B (2026)
- Best GPU for DeepSeek-R1 32B (2026)
- Best GPU for Llama 3.1 405B (2026)
- How to run Llama 3.1 8B on NVIDIA GeForce RTX 5090
- How to run Qwen 3 14B on NVIDIA GeForce RTX 5090
- How to run Qwen 3 32B on NVIDIA GeForce RTX 5090
- How to run Llama 3.1 70B on NVIDIA GeForce RTX 5090
- How to run DeepSeek-R1 32B on NVIDIA GeForce RTX 5090
- How to run Llama 3.1 8B on NVIDIA GeForce RTX 4090