This article covers リアンリー(Li LIAN LI) 連結型ケースファン UNI FAN SL120 V2 BK Single Pack ブラック 厚さ28mm 流体軸受 「L-CONNECT 3」対応 日本正規代理店品.

Overview

Lian Li's UNI FAN SL120 V2 is a second-generation case fan that eliminates the cable clutter often associated with multiple fans. Its hallmark interlocking design lets you snap fans together without screws, transmitting power and ARGB signals through a single cable module. Available in single packs, you can daisy-chain up to six units into two clusters (3+3) using the included extension cable. At 28mm thick, it's slightly thicker than the standard 25mm, which contributes to better static pressure while still fitting most 120mm mounts. The fan integrates seamlessly with L-Connect 3 software for unified RGB and speed control, making it a strong contender for builders who value clean aesthetics and easy management.

Compatibility Guide

The SL120 V2 measures 120mm x 120mm x 28mm, so it fits any standard 120mm fan mount. However, the extra 3mm of thickness can cause clearance issues in compact cases, especially when paired with thick radiators or tall heatsinks. Ensure your case has enough depth to accommodate the 28mm depth without interfering with motherboard components or GPU. The fans use a 4-pin PWM header for speed control and a proprietary connector for power/ARGB that requires either a Lian Li controller (sold separately or in multi-packs) or a direct connection to a 3-pin 5V ARGB motherboard header (limited functionality). For full RGB customization via L-Connect 3, the controller is highly recommended.

Product Info

Released in late 2022, the UNI FAN SL120 V2 single pack (black) is priced around ¥2,682 (tax included). It carries a standard 2-year manufacturer warranty. This fan occupies the upper-mid tier of the consumer case fan market, balancing respectable airflow (64.5 CFM) with low noise (29.2 dBA) and a power draw of only 2.5W. The fluid dynamic bearing (FDB) ensures longevity and quiet operation. Lian Li positions it as a solution for builders who prioritize both performance and visual tidiness.

Best Use Cases

First, the SL120 V2 shines in clean PC builds where tidy cable management is a priority. The interlocking system dramatically reduces wire count, making back-of-case routing effortless. Second, it's ideal for users who want centralized control through L-Connect 3: you can tune fan curves and RGB effects across multiple fans from one interface. Third, the 28mm thickness offers a slight static pressure advantage, making this fan a good choice for radiator cooling, especially in push or pull configurations where every millimeter of fin contact helps. ## Alternatives
Direct competitors in the same price bracket include the Corsair LL120 and Thermaltake Pure 12 ARGB. Corsair's LL120 offers beautiful dual-ring lighting but requires more cables and a separate Corsair Commander for PWM/RGB control. Thermaltake's fans are more affordable but lack the robust software integration of L-Connect 3. For cable reduction and ease of use, the Lian Li UNI FAN SL120 V2 remains the top pick. However, if you don't need daisy chaining or want to stick with standard 25mm fans, the alternatives may be simpler to install in tight spaces.

Things to Consider

The single pack does not include a controller, so to unlock full RGB and speed software control, you'll need to purchase the controller separately or choose a multi-pack kit. Without the controller, you can still connect the fan to a 4-pin PWM header for basic speed control, but ARGB will be limited or non-functional. The 28mm thickness is a double-edged sword: better static pressure but may not fit in slim cases (e.g., some ITX or low-profile builds). Also, while L-Connect 3 has improved over time, early versions had occasional stability issues, so always update to the latest version. If you plan to use more than three fans in a single chain, ensure your case has enough physical space and that the extension cable can reach the second cluster without tension.

Product Disclosure (Amazon)

  • Manufacturer: リアンリー(Li LIAN LI)
  • ASIN: B0BLSNG4P3
  • Note: This article covers a manufacturer-made product based on Amazon listing details.