# KVM Switch ATEN US421A-A7

**URL:** https://aio.lv/en/product--aten-us421a-a7--7764
**Data updated:** 2025-12-28 21:00 (EET)
**Category:** KVM Switches
**Manufacturer:** ATEN
**Manufacturer code:** US421A-A7
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 38.49 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 31.81 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--aten-us421a-a7--7764

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 15.07.2026 | free |
| Pickup points | 20.07.2026 | 1.99 EUR |
| Courier delivery to door | 20.07.2026 | 4.99 EUR |

## Summary description

The ATEN US421A-A7 KVM switch allows you to control multiple computers using a single USB keyboard and mouse. It features a compact design with dimensions of 76 mm width, 102 mm depth, and 23 mm height. The switch supports USB connections for both keyboard and mouse, ensuring compatibility with a wide range of devices. With a cable length of 1.8 m, it provides flexibility in setup. The product is RoHS compliant, ensuring it meets environmental standards.

## Long description

The ATEN US421A-A7 KVM switch enables up to four computers to share a single USB peripheral such as a keyboard, mouse or multifunction printer. The compact, bus-powered unit is USB 2.0 compliant and supports transfer rates up to 480 Mbps. It is hot-pluggable, provides LED indicators for port focus, and includes overcurrent protection. The package contains the 4‑port USB 2.0 peripheral switch, a 1.8 m USB A to B cable, an installation disk and user instructions.
Advantages
The switch offers simple port selection via pushbuttons, a configuration utility or an Auto Switch function which eliminates the need for a print server for shared printing. It supports both Windows and Mac platforms, notifies users of port changes with an audible buzzer, and handles multifunction printers. Its compact design and bus-powered operation reduce cable clutter and the need for an external power adapter.
Suitable for
Small offices sharing a single USB printer or multifunction device
Workstations that need to share a USB keyboard and mouse between multiple computers
Environments requiring quick manual or automatic switching between systems
Key specifications
Model: ATEN US421A-A7
Ports: 4 USB device ports
USB standard: USB 2.0 (up to 480 Mbps)
Power: Bus-powered (no external adapter required)
Cable included: USB Type A to Type B, 1.8 m
Compatibility: Windows and Mac
Dimensions (W×D×H): 76 × 102 × 23 mm
Weight: 0.097 kg
Colour: Grey, Black
How to use
Connect the USB Type B end of the supplied cable to the switch and the Type A ends to the USB ports on each computer or connect the peripheral to the switch’s device port. Use the front-panel pushbuttons, the configuration utility or the Auto Switch feature to select the active computer. The LEDs indicate which port is currently in focus. The unit supports hot-plugging, so devices and PCs can be connected or disconnected while powered on.
Usage recommendations
Place the switch within the cable reach of all connected computers and keep the included USB cable untangled to ensure reliable switching and data transfer. For uninterrupted shared printing of multifunction printers, enable Auto Switch and verify driver compatibility on each connected computer.

## Specifications

### Ports & interfaces

| Feature | Value |
|---|---|
| Keyboard port type | USB |
| Mouse port type | USB |
| Number of computers controlled | 4 |

### Other features

| Feature | Value |
|---|---|
| I/O ports | 4 x USB Type B Out
1 x USB Type A In |

### Operational conditions

| Feature | Value |
|---|---|
| Operating relative humidity (H-H) | 0 - 80 |
| Storage temperature (T-T) | -20 - 60 |
| Operating temperature (T-T) | 5 - 40 |

### Packaging content

| Feature | Value |
|---|---|
| Cables included | USB |
| Manual | Yes |

### Display

| Feature | Value |
|---|---|
| Built-in display | No |

### Design

| Feature | Value |
|---|---|
| Rack mounting | No |
| Cable length | 1.8 m |
| Product colour | Grey, Black |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.097 kg |
| Height | 23 mm |
| Width | 76 mm |
| Depth | 102 mm |

### Sustainability

| Feature | Value |
|---|---|
| Sustainability certificates | RoHS |

## FAQ

### How much does the KVM Switch ATEN US421A-A7 cost, and is it available for purchase?

The price is 38.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 160 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 15.07.2026 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. 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 ATEN 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 ATEN 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: keyboard port type, mouse port type, number of computers controlled, weight, 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/7764/54629022_large.webp