# Fan Noctua NF-A4X20 5V

**URL:** https://aio.lv/en/product--noctua-nf-a4x20-5v--485985
**Data updated:** 2025-12-28 21:22 (EET)
**Category:** CPU Coolers & PC Cooling Systems
**Manufacturer:** Noctua
**Manufacturer code:** NF-A4X20 5V
**EAN:** 9010018100129
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 19.49 €
**Prices and availability valid until:** 2026-08-02 23:59
**Price without VAT (21%):** 16.11 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--noctua-nf-a4x20-5v--485985

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 17.07.2026 | free |
| Pickup points | 22.07.2026 | 1.89 EUR |
| Courier delivery to door | 22.07.2026 | 4.99 EUR |

## Summary description

The Noctua NF-A4X20 5V is a compact 4 cm fan designed for efficient cooling. With a maximum rotational speed of 5000 RPM and an airflow of 9.4 m³/h, it ensures optimal performance. Operating at 5V, it features a beige and brown color scheme, measuring 40 mm in width, 20 mm in depth, and 40 mm in height. Ideal for small cases and applications requiring quiet yet effective cooling.

## Long description

The Noctua NF-A4x20 5V is a compact 40x20 mm cooling fan engineered for efficient, low-noise operation in 5V systems. It incorporates Flow Acceleration Channels and Noctua's AAO frame to improve airflow and static pressure for demanding small-form-factor cooling tasks. The fan uses Smooth Commutation Drive technology and SSO2 bearings to ensure smooth rotation and long-term stability, and comes with modular cabling and the OmniJoin™ Adaptor Set.
Advantages
The NF-A4x20 5V delivers a balance of high rotational speed (up to 5000 RPM) and controlled airflow (9.4 m³/h) tailored for 5V applications, while remaining quiet thanks to aerodynamic optimizations. Durable SSO2 bearings and refined motor control provide low vibration, reliable lifespan and stable performance over time. Included modular cables and adaptor set simplify installation in varied setups.
Suitable for
Cooling compact PC cases and small form-factor builds
Embedded devices and single-board computers running on 5V
Router, NAS or network equipment cooling in tight spaces
Custom projects and electronics enclosures requiring a 40 mm fan
Key specifications
Model: Noctua NF-A4x20 5V (MPN: NF-A4X20 5V, EAN: 9010018100129)
Dimensions: 40 x 20 x 40 mm
Operating voltage: 5V
Maximum speed: up to 5000 RPM
Airflow: 9.4 m³/h
Colour: Beige / Brown
Bearing: SSO2
How to use
Mount the fan in the intended fan slot or enclosure using compatible screws or brackets for 40 mm fans. Connect the fan to a 5V supply or header following the polarity markings on the connector. Use the supplied modular cables and OmniJoin™ adaptors if the target connector differs from the fan’s cable. Ensure clear airflow paths and avoid obstructing the blades for optimal performance.
Usage recommendations
The NF-A4x20 5V is best used where compact dimensions and 5V operation are required; position it to create direct airflow over heat-generating components and keep intake/exhaust paths unobstructed. For prolonged reliability, verify mounting minimizes vibration transfer to the chassis.

## Specifications

### Performance

| Feature | Value |
|---|---|
| Type | Fan |
| Fan diameter | 40 mm |
| Noise level (high speed) | 14.9 dB |
| Rotational speed (max) | 5000 RPM |
| Mean time between failures (MTBF) | 150000 h |
| Airflow | 9.4 m³/h |
| Suitable location | Computer case |

### Design

| Feature | Value |
|---|---|
| Product colour | Brown, Beige |
| Number of fans | 1 fan(s) |
| Fan connector | 3-pin |

### Weight & dimensions

| Feature | Value |
|---|---|
| Height | 40 mm |
| Width | 40 mm |
| Depth | 20 mm |

### Power

| Feature | Value |
|---|---|
| Power consumption (typical) | 0.5 W |
| Rated current | 0.1 A |
| Voltage | 5 |

### Packaging content

| Feature | Value |
|---|---|
| Screws included | Yes |

### Other features

| Feature | Value |
|---|---|
| Mounting hole pattern (W x D) | 32 x 32 |

### Logistics data

| Feature | Value |
|---|---|
| Harmonized System (HS) code | 84733080 |

## FAQ

### How much does the Fan Noctua NF-A4X20 5V cost, and is it available for purchase?

The price is 19.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 22 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 17.07.2026 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 Noctua 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 Noctua 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, 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/485985/65734207_large.webp