# RAIDSONIC KeySonic ACK-540U+ Mini USB Wired Keyboard QWERTY UK English Black, Membrane, Wrist Rest

**URL:** https://aio.lv/en/product--raidsonic-28030--431708
**Data updated:** 2026-04-12 10:48 (EEST)
**Category:** Keyboards
**Manufacturer:** RAIDSONIC
**Manufacturer code:** 28030
**EAN:** 4250078141990
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 59.99 €
**Prices and availability valid until:** 2026-07-04 23:59
**Price without VAT (21%):** 49.58 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--raidsonic-28030--431708

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 18.06.2026 | free |
| Pickup points | 25.06.2026 | 1.99 EUR |
| Courier delivery to door | 25.06.2026 | 4.99 EUR |

## Summary description

Wired mini RAIDSONIC KeySonic ACK-540U+ keyboard with USB connection and QWERTY UK English layout. Membrane key switches provide quiet typing for office use. Includes integrated wrist rest and 1.9 m cable for flexible placement. Compact straight form factor suits tight workspaces and general productivity tasks.

## Long description

The KeySonic ACK-540U+ is a compact wired mini keyboard in black with an integrated Smart-Touchpad. It combines a space-saving mini form factor with a full-size layout functionality: an integrated numeric keypad can be activated via a function key, and a built-in touchpad with two mouse buttons replaces the need for an external mouse. The surface uses a matt SoftSkin coating and the keyboard features blue LED indicators for Caps, Num and Scroll Lock in a light‑stripe design. Keystrokes are quiet and provide tactile feedback thanks to X-Type membrane technology.
Advantages
The wired USB connection ensures a stable and reliable link to desktops or notebooks. The mini form factor saves desk space while keeping full typing functionality through an integrated numpad. The Smart-Touchpad and two mouse buttons allow cursor control without an additional pointing device. The SoftSkin surface and rounded design improve comfort during extended typing, and the quiet X-Type membrane reduces noise.
Suitable for
Office work on desktop or laptop computers
Users who need a compact keyboard with integrated numeric keypad
Environments where a quiet keyboard is preferred
Setups where an integrated touchpad replaces an external mouse
When it may not be suitable
The mini form factor may not suit users who require a dedicated full-size numeric keypad or a separate ergonomic layout. Gamers or users who prefer mechanical key switches may find the membrane keys less responsive compared with mechanical alternatives.
Key specifications
Connectivity: Wired USB 2.0
Keyboard form factor: Mini with integrated numeric keypad (activated via function key)
Layout: QWERTY, UK English
Key switch type: X-Type membrane (quiet, tactile)
Touchpad: Integrated Smart-Touchpad with left and right mouse buttons
Colour and finish: Black with matt SoftSkin coating
Cable length: 1.9 m
Recommended use: Office
How to use
Connect the keyboard to a computer using the USB cable. Use the function key to enable the integrated numeric keypad when needed. Navigate and click using the built-in Smart-Touchpad and its left and right buttons. Typing is the same as on a standard keyboard, with quiet tactile feedback from the X-Type membrane switches. LED indicators show Caps, Num and Scroll Lock status.
What to consider before purchase
Whether a compact mini layout meets your typing and numeric-entry needs
If you require mechanical switches instead of membrane keys
Whether an integrated touchpad provides the pointer control you need
Compatibility with UK English QWERTY layout
Usage recommendations
For typical office environments, place the keyboard centrally in front of your monitor to make best use of the compact layout and built-in touchpad. Use the function key to toggle the numpad only when necessary to keep primary keys easily accessible.

## Specifications

### Keyboard

| Feature | Value |
|---|---|
| Device interface | USB |
| Keyboard form factor | Mini |
| Keyboard layout | QWERTY |
| Keyboard language | UK English |
| Pointing device | Touchpad + mouse buttons |
| Windows keys | Yes |
| Numeric keypad | No |
| Connectivity technology | Wired |
| Purpose | Universal |
| Fingerprint reader | No |
| Recommended usage | Office |
| USB hub | No |
| Key travel distance | 3 mm |
| Keyboard keys operating life | 5 million characters |

### Mouse

| Feature | Value |
|---|---|
| Mouse included | No |

### Design

| Feature | Value |
|---|---|
| Product colour | Black |
| Backlight | No |
| Surface coloration | Monochromatic |
| Wrist rest | Yes |
| Keyboard style | Straight |
| LED indicators | Status |

### Weight & dimensions

| Feature | Value |
|---|---|
| Keyboard dimensions (WxDxH) | 291 x 197 x 29 |
| Keyboard weight | 665 g |

### Power

| Feature | Value |
|---|---|
| Operating voltage | 5 V |
| Power consumption | 100 mA |

### System requirements

| Feature | Value |
|---|---|
| Windows operating systems supported | Windows 7 Ultimate, Windows 7 Starter x64, Windows 7 Ultimate x64, Windows 98SE, Windows ME, Windows Vista Business, Windows Vista Business x64, Windows Vista Enterprise, Windows Vista Enterprise x64, Windows Vista Home Basic, Windows Vista Home Basic x64, Windows Vista Home Premium, Windows Vista Home Premium x64, Windows Vista Ultimate, Windows Vista Ultimate x64, Windows XP Home, Windows XP Home x64, Windows XP Professional, Windows XP Professional x64, Windows 7 Starter, Windows 2000, Windows 2000 Professional, Windows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64 |

### Operational conditions

| Feature | Value |
|---|---|
| Operating relative humidity (H-H) | 10 - 85 |
| Storage temperature (T-T) | -20 - 65 |
| Operating temperature (T-T) | 0 - 50 |

### Packaging data

| Feature | Value |
|---|---|
| Package weight | 860 g |
| Package depth | 245 mm |
| Package height | 31 mm |
| Package width | 312 mm |

### Packaging content

| Feature | Value |
|---|---|
| Number of products included | 1 pc(s) |

### Logistics data

| Feature | Value |
|---|---|
| Master (outer) case height | 325 mm |
| Master (outer) case width | 520 mm |
| Master (outer) case gross weight | 18240 g |
| Master (outer) case length | 335 mm |
| Products per master (outer) case | 20 pc(s) |

### Features

| Feature | Value |
|---|---|
| Plug and Play | Yes |
| Cable length | 1.9 m |

## FAQ

### How much does the RAIDSONIC KeySonic ACK-540U+ Mini USB Keyboard cost, and is it available for purchase?

The price is 59.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 20 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 18.06.2026 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 RAIDSONIC 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 RAIDSONIC 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: device interface, keyboard form factor, keyboard layout, mouse included, keyboard language, 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.

### Where can I download the instructions for RAIDSONIC KeySonic ACK-540U+ Mini USB Keyboard?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/431708/62419575_large.webp