# Aten US421A

**Brand:** Aten
**Category:** Informatique
**Code (GTIN/SKU):** 4710423776302
**Canonical URL:** https://openreviews.io/en/reviews/aten/aten-us421a-4710423776302

## Rating: 5.0/5 ★★★★★ — 5 reviews analyzed
_Confidence: high_

## At a glance

Aten US421A reviews: 5.0/5 based on 5 analyzed reviews, updated September 4, 2026.

Praised: reliability.

5 reviews analyzed, all published on other sites.
Other sites: 1 source, 5 reviews, average rating 5.0/5.
How we count reviews: https://openreviews.io/en/methodology

## AI summary

The Aten US421A switch is a USB peripheral sharing device that allows you to connect and switch equipment between multiple computers. This KVM switch model receives excellent feedback, with users highlighting its high reliability and daily efficiency in optimizing their workspace.

## Strengths

- **Reliability** — User feedback confirms the smooth operation and stability of the switch when sharing peripherals.

## Frequently asked questions

- Is switching between computers fast?
- Does this switch require an external power supply?
- What types of USB devices are compatible?
- Are the connection cables included with the device?

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_Source: OpenReviews — https://openreviews.io/en/reviews/aten/aten-us421a-4710423776302_