Aten US421A 4-Port USB 2.0 Peripheral Switch - 5 USB Ports - 480 MB/s - External - PC/Mac
Business volume discounts
Technical guidance
Preparation & staging
QC · ON · AB · BC
Product Features
Technical Overview
Built around USB 2.0 technology, the US421A delivers data transfer speeds up to 480 MB/s, ensuring responsive performance for most peripheral types. The host interface connects via a standard USB Type-B port, while the five downstream USB 2.0 ports provide consistent connectivity for attached devices.
The switch operates without external power, drawing minimal current from the host computer to maintain reliable operation across all connected peripherals. This energy-efficient design reduces cable clutter and simplifies deployment in office, home, or educational settings where power outlets may be limited.
Relevant factors for this section include Host Interface, Data Transfer Rate. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.
A strong technical summary explains how the product's interfaces, hardware profile, and operating characteristics work together in real deployment. Buyers often need this context to confirm compatibility with existing devices, expected performance in daily use, and whether installation will be straightforward for IT staff or end users.
Key Product Advantages
The ATEN US421A streamlines USB management by consolidating multiple peripherals into a single switchable hub, reducing desk clutter and improving workflow efficiency. Its compact footprint and lightweight construction make it ideal for portable setups or environments where space is at a premium.
Simplified Connectivity
Switch between computers or share peripherals with a single button press, eliminating the need to physically reconnect cables each time you change devices.
- 5 USB 2.0 ports for multiple devices
- No external power required
- Compatible with Windows and macOS
Reliable Performance
Delivers stable 480 MB/s transfer speeds suitable for keyboards, mice, printers, and moderate-bandwidth storage devices without performance degradation.
- USB 2.0 host interface
- Plug-and-play operation
- 3-year warranty for peace of mind
Deployment / Use Cases
The US421A is particularly useful in multi-computer environments where users need to share peripherals between systems. Common applications include office workstations where employees switch between desktop and laptop computers, educational labs with limited USB ports, or home offices managing multiple devices.
For IT administrators, this switch simplifies peripheral management in kiosk setups, point-of-sale systems, or digital signage installations by centralizing USB connections. The external form factor and cable-included packaging ensure quick deployment without requiring technical expertise or additional accessories.
Office and Workspace
Share printers, scanners, and input devices between multiple computers in shared office spaces or hot-desking environments.
- Reduce cable clutter
- Improve desk organization
- Support hybrid work setups
Educational and Lab Environments
Manage peripherals in computer labs, libraries, or classroom stations where multiple users access shared equipment throughout the day.
- Durable construction
- Simple operation
- Cost-effective connectivity solution
Physical Profile
Measuring 4.09" (104 mm) in length, 3.13" (79.60 mm) in width, and 0.87" (22 mm) in height, the US421A features a compact external design that fits easily on desks, shelves, or mounted surfaces. The lightweight 99.8 g construction ensures portability while the durable housing protects internal components during daily use.
The device includes a 1.8-meter USB Type-A to Type-B cable for flexible placement relative to host computers, accommodating various desk configurations and cable management needs without requiring extension cables.
- Width
- 3.13" (79.60 mm)
- Height
- 0.87" (22 mm)
- Weight
- 99.8 g
- Length
- 4.09" (104 mm)
What's in the Box
The package includes all necessary components for immediate deployment without additional purchases.
Highlights
- 4-port USB 2.0 peripheral switch with 5 total USB ports
- 480 MB/s data transfer rate for responsive peripheral performance
- External form factor with compact dimensions: 4.09" x 3.13" x 0.87"
- Plug-and-play operation without external power requirements
- Compatible with Windows and macOS operating systems
- Supports PC and Mac platforms for versatile deployment
- Includes 1.8-meter USB Type-A to Type-B cable for flexible placement
- 3-year limited warranty for reliable long-term use
Specifications
| Specifications | |
|---|---|
| Manufacturer | ATEN Technology, Inc |
| Manufacturer Part Number | US421A |
| Brand Name | ATEN |
| Product Model | US421A |
| Product Name | 4-Port USB 2.0 Peripheral Switch |
| Product Type | USB Switch |
| Technical Information | |
| Host Interface | USB 2.0 |
| Media & Performance | |
| Data Transfer Rate | 480 MB/s |
| Interfaces/Ports | |
| Total Number of USB Ports | 5 |
| Number of USB 2.0 Ports | 5 |
| Software | |
| Operating System Supported | Windows,macOS |
| Physical Characteristics | |
| Form Factor | External |
| Height | 0.87" (22 mm) |
| Width | 3.13" (79.60 mm) |
| Length | 4.09" (104 mm) |
| Weight (Approximate) | 99.8 g |
| Miscellaneous | |
| Package Contents | 4-Port USB 2.0 Peripheral Switch 1 x USB Type-A to USB Type-B Cable (1.8m) 1 x User Instructions |
| Platform Supported | PC,Mac |
| Warranty | |
| Limited Warranty | 3 Year |
User Manual
FAQ
How many devices can I connect to the ATEN US421A switch?
The ATEN US421A provides five USB 2.0 ports, allowing you to connect up to five USB peripherals simultaneously. This includes common devices like keyboards, mice, printers, scanners, and external storage drives. The switch manages these connections through a single host interface to your computer.
What is the maximum data transfer speed of this USB switch?
This switch supports USB 2.0 specifications with a maximum data transfer rate of 480 MB/s. This speed is suitable for most peripherals including input devices, printers, and moderate-bandwidth storage devices, though it may not be optimal for high-speed external SSDs that require USB 3.0 or faster interfaces.
Does the ATEN US421A require external power or drivers?
No, the US421A operates as a plug-and-play device that draws power directly from the host computer's USB port, eliminating the need for external power adapters. It also doesn't require additional drivers for basic functionality on supported operating systems, making installation straightforward for most users.
Which operating systems are compatible with this USB switch?
The ATEN US421A is compatible with Windows and macOS operating systems. This includes recent versions of both platforms, though specific version compatibility should be verified against the manufacturer's documentation. The switch supports both PC and Mac hardware platforms for versatile deployment.
What is included in the package with the USB switch?
The package includes the 4-Port USB 2.0 Peripheral Switch unit, one USB Type-A to USB Type-B cable measuring 1.8 meters in length, and user instructions. These components provide everything needed for immediate setup without requiring additional cables or accessories.
What warranty coverage does ATEN provide for this product?
ATEN offers a 3-year limited warranty for the US421A USB switch. This warranty covers manufacturing defects and ensures reliable performance throughout typical usage scenarios. For specific warranty terms and claim procedures, consult the included documentation or manufacturer's website.
| Qty | Price | Available |
|---|
