IOGEAR 4-Port 4K KVM Switch with HDMI Connection, Control 4 Computers with one Monitor, Keyboard, & Mouse - up to 4096x2160 @60 Hz or 5120x1440 @60Hz - Windows, Mac, Linux, GCS1904H
*Price sourced from Amazon.com. Last updated 2026-05-12. Price and availability subject to change.
SpecPicks Verdict
SpecPicks classifies IOGEAR 4-Port 4K KVM Switch with HDMI Connection, Control 4 Computers… as a mid-pack option worth checking against alternatives in the kvm switches category, based on 1 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. IOGEAR's positioning sits within the broader category mid-tier. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
Common buyer scenarios for kvm switches of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Solid 4.0★ customer rating
- ✓ Backed by IOGEAR's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Limited review volume so far — fewer data points on long-term reliability
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- Control up to 4 PCs from a single monitor, keyboard, mouse, speaker and up to 2 USB peripherals. Superior video quality – up to 4096x2160 @60 Hz or 5120x1440 @60Hz (HDMI 2.0)
- Exclusive IOGEAR DynaSync technology ensures optimal resolution and consistent window layout when port switching for smoother workflows
- Computer selection via remote port selector, hotkeys, and USB mouse. All HDMI / USB cables and power adapter included – for plug-and-play setup and hassle-free installation, no extra purchases needed
- Power-on detection automatically switches to the next active computer. Supports most gaming / multimedia keyboards and multifunction mice with emulation or bypass
- Plug and play – no software installation or configuration required.All HDMI / USB cables and power adapter included – for plug-and-play setup and hassle-free installation, no extra purchases needed .Multiplatform support – Windows, Mac, and Linux
Full Specifications
| Brand | IOGEAR |
|---|---|
| Color | Black |
| Model | GCS1904H |
| Unit Count | 1.0 Count |
| Part Number | GCS1904H |
| Circuit Type | 4-way |
| Connectivity | USB |
| Contact Type | Normally Open |
| Control Type | Multiple |
| Compatibility | Switch, Mac, Linux |
| Mounting Type | Rack Mount |
| Connector Type | Hdmi, Usb Type-a |
| Control Method | Remote |
| Operation Mode | Manual |
Ready to buy?
IOGEAR 4-Port 4K KVM Switch with HDMI Connection, Control 4 Computers with one Monitor, Keyboard, & Mouse - up to 4096x2160 @60 Hz or 5120x1440 @60Hz - Windows, Mac, Linux, GCS1904H is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-05-12. Price and availability subject to change.