# 140 mm Fan Lian Li Uni Fan SL140 White — 140 mm, 500–1500 RPM, 70.5 CFM, FDB

**URL:** https://aio.lv/en/product--lian-li-uf-sl140-1w--4028130
**Data updated:** 2026-03-07 11:10 (EET)
**Category:** CPU Coolers & PC Cooling Systems
**Manufacturer:** lian li
**Manufacturer code:** UF-SL140-1W
**EAN:** 4718466009692
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 31.99 €
**Prices and availability valid until:** 2026-08-03 23:59
**Price without VAT (21%):** 26.44 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--lian-li-uf-sl140-1w--4028130

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 21.07.2026 | free |
| Pickup points | 24.07.2026 | 1.89 EUR |
| Courier delivery to door | 24.07.2026 | 4.99 EUR |

## Summary description

Lian Li Uni Fan SL140 is a 140 mm PC cooling fan with fluid dynamic bearing (FDB). It operates from 500 to 1500 RPM, delivers up to 70.5 CFM airflow and 1.67 mmH2O static pressure, and produces around 30 dB at high speed. Designed for case or radiator cooling, the white Uni Fan suits system intake/exhaust or radiator configurations requiring quiet, efficient airflow.

## Long description

The Lian Li Uni Fan SL140 White is a 140 mm case and radiator cooling fan engineered for quiet, consistent airflow. It uses a fluid dynamic bearing (FDB) and a PWM-controlled speed range from 500 to 1500 RPM to deliver up to 70.5 CFM of airflow and 1.67 mmH2O static pressure while maintaining noise levels around 30 dB at high speed. The white finish suits modern builds and the modular Uni Fan system supports daisy-chaining, centralized control via the included UNI HUB and optional motherboard integration through standard connections.
Advantages
The Uni Fan SL140 combines a low-noise FDB motor with a wide RPM operating range to balance cooling performance and acoustic comfort. Its modular interlocking design lets multiple fans link physically and electrically for synchronized operation. The included UNI HUB provides four dedicated Uni Fan ports and, with cable modules, allows each port to control clusters of up to four fans, enabling management of up to 16 fans from a single hub. L-Connect software offers fan speed and lighting control, while the option to hand control over to a compatible motherboard ensures flexible system integration.
Suitable for
 Case cooling for desktop PCs requiring quiet airflow
 Radiator fans in liquid cooling loops for 140 mm radiators
 Multi-fan setups using interlocking Uni Fan clusters
 Systems where centralized control via a hub or motherboard is preferred
Key specifications
 Fan diameter: 140 mm
 Speed range: 500–1500 RPM (PWM)
 Maximum airflow: 70.5 CFM
 Maximum static pressure: 1.67 mmH2O
 Bearing type: Fluid dynamic bearing (FDB)
 Approximate noise level at high speed: ~30 dB
 Color: White
 Modular interlocking frame compatible with Uni Fan system and UNI HUB
How to use
Install the Uni Fan SL140 in a compatible 140 mm mounting location on your case or radiator using standard fan screws. Connect the fan to the included cable module and chain additional Uni Fans as required for your layout. Plug the cable module into one of the UNI HUB ports to enable centralized control of fan speed and lighting. For direct motherboard control, connect the fan or hub to a compatible PWM fan header or RGB header following your motherboard manual. Use L-Connect software to configure RPM profiles and lighting effects, or set profiles in the motherboard firmware if handing control over to the mainboard.
Usage recommendations
For balanced cooling and acoustics, position the Uni Fan SL140 to maintain steady airflow direction through the case or radiator and use PWM curves to limit peak RPM during low-load periods. When building multi-fan clusters, ensure secure mechanical latching between fans and route cables to the UNI HUB to keep control consolidated. If integrating with a motherboard, verify header compatibility and disable conflicting software control to avoid dual-control issues.

## Specifications

### Performance

| Feature | Value |
|---|---|
| Type | Fan |
| Fan diameter | 140 mm |
| Supported processor sockets | Not supported |
| Noise level (high speed) | 30 dB |
| Rotational speed (min) | 500 RPM |
| Rotational speed (max) | 1500 RPM |
| Maximum airflow | 70.5 cfm |
| Compatible processor series | Not supported |
| Maximum air pressure | 1.67 mmH2O |
| Bearing type | Fluid Dynamic Bearing (FDB) |
| Suitable location | Computer case |
| Quantity per pack | 1 pc(s) |

### Design

| Feature | Value |
|---|---|
| Product colour | White |
| Material | Aluminium |
| Illumination colour | Multi |
| Number of fans | 1 fan(s) |
| Illumination LED | Yes |
| Number of fan blades | 7 |

### Weight & dimensions

| Feature | Value |
|---|---|
| Fan dimensions (W x D x H) | 144 x 142.2 x 25 |

### Power

| Feature | Value |
|---|---|
| Power consumption (typical) | 5.16 W |
| Voltage | DC 6 |

### Packaging content

| Feature | Value |
|---|---|
| Package type | Hanging box |
| Number of screws | 4 |
| Screws included | Yes |

## FAQ

### How much does the Lian Li Uni Fan SL140 140 mm White cost, and is it available for purchase?

The price is 31.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 5 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 21.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All lian li products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized lian li service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: type, fan diameter, supported processor sockets, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

## Image

https://aio.lv/img/cache/product/4028130/56539215_large.webp