# USB Peripheral Switch ATEN US421A-AT

**URL:** https://aio.lv/en/product--aten-us421a-at--624692
**Data updated:** 2025-12-28 21:31 (EET)
**Category:** KVM Switches
**Manufacturer:** ATEN
**Manufacturer code:** US421A-AT
**EAN:** 4710423776302
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 35.99 €
**Prices and availability valid until:** 2026-07-21 23:59
**Price without VAT (21%):** 29.74 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--aten-us421a-at--624692

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 09.07.2026 | free |
| Pickup points | 14.07.2026 | 1.89 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

The ATEN 4-Port USB 2.0 Peripheral Switch allows you to connect up to four USB devices to a single USB port. It features USB B console ports, a cable length of 1.8 m, and is made of durable plastic. With a compact design (104 mm x 79.6 mm x 22 mm), it is easy to integrate into any workspace. Compliant with RoHS standards, this switch is an eco-friendly choice for your USB connectivity needs.

## Long description

The ATEN US421A-AT is a 4-port USB 2.0 peripheral switch that lets up to four computers share a single USB peripheral device, such as a printer, scanner or external storage, on a one-at-a-time basis. The unit includes a USB Type-A to Type-B cable (1.8 m) and user instructions. It has a compact plastic housing (104 mm x 79.6 mm x 22 mm) and complies with RoHS standards.
Advantages
The USB Peripheral Switch ATEN US421A-AT provides simple manual switching between four computers without needing to disconnect cables. It supports USB 2.0 data transfer rates and uses a standard USB B console port for easy connection to a peripheral device. The compact footprint and lightweight construction make it easy to place on a desk or integrate into existing workspaces. RoHS compliance ensures reduced hazardous substances.
Suitable for
 Sharing a single printer or scanner between multiple computers
 Accessing an external USB storage drive from different workstations
 Small office or home office environments with several PCs
 Workstations that require occasional manual switching of USB peripherals
Key specifications
 Model: ATEN US421A-AT
 Interface: 4 x USB 2.0 ports (peripheral switch)
 Cable: USB Type-A to USB Type-B, 1.8 m
 Controlled computers: 4
 Material: plastic
 Dimensions: 104 mm x 79.6 mm x 22 mm
 Weight: 0.155 kg
 Color: Black, Grey
 Standards: RoHS compliant
How to use
Connect the USB Type-B end of the supplied cable to the peripheral device (for example, a printer) and plug the Type-A end into the switch's console port. Connect each computer to the switch using their respective USB ports. Use the switch controls to select which computer has access to the connected peripheral; only one computer can use the peripheral at a time. Refer to the included user instructions for any device-specific steps or troubleshooting tips.
Usage recommendations
Place the ATEN US421A-AT on a flat, stable surface near the peripheral device to avoid strain on the cable. Ensure connected devices are powered on when switching and follow proper eject procedures for storage devices before switching to prevent data loss.

## Specifications

### Design

| Feature | Value |
|---|---|
| Rack mounting | No |
| Cable length | 1.8 m |
| LED indicators | Y |
| Product colour | Black, Grey |
| Housing material | Plastic |
| Push button | Yes |

### Display

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

### Packaging content

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

### Ports & interfaces

| Feature | Value |
|---|---|
| USB 2.0 ports quantity | 5 |
| Keyboard port type | USB |
| Mouse port type | USB |
| Number of computers controlled | 4 |
| Console ports | USB B |

### Operational conditions

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

### Logistics data

| Feature | Value |
|---|---|
| Master (outer) case height | 330 mm |
| Master (outer) case width | 328 mm |
| Master (outer) case gross weight | 6120 g |
| Master (outer) case length | 389 mm |
| Products per master (outer) case | 20 pc(s) |
| Master (outer) case net weight | 3100 g |
| Harmonized System (HS) code | 85176200 |

### Packaging data

| Feature | Value |
|---|---|
| Package weight | 280 g |
| Package depth | 150 mm |
| Package height | 256 mm |
| Package width | 70 mm |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.155 kg |
| Height | 22 mm |
| Width | 104 mm |
| Depth | 79.6 mm |

### System requirements

| Feature | Value |
|---|---|
| Mac operating systems supported | Y |

### Sustainability

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

## FAQ

### How much does the USB Peripheral Switch ATEN US421A-AT cost, and is it available for purchase?

The price is 35.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 102 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 09.07.2026 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 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, weight, number of computers controlled, 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 USB Peripheral Switch ATEN US421A-AT?

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/624692/54594004_large.webp