DiamondTiger
DiamondTiger 4 Port HDMI KVM Switch
Bottom line: The DiamondTiger 4 Port HDMI KVM Switch: Switches 4 HDMI computers to one monitor with a single keyboard and mouse; main trade-off: 4K capped at 30Hz, so no 60Hz 4K desktop or gaming use.
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Pros & Cons
Pros
- ✓ Switches 4 HDMI computers to one monitor with a single keyboard and mouse
- ✓ Includes 4 HDMI/USB combo cables and a 1.5m wired desktop controller in the box
- ✓ 3 shared USB 2.0 ports cover a printer, scanner, flash drive or webcam
- ✓ Plug and play with no software or driver install required
- ✓ Two switching options: front-panel button or remote desktop controller
Cons
- ✗ 4K capped at 30Hz, so no 60Hz 4K desktop or gaming use
- ✗ USB 2.0 peripheral ports only, limiting external drive transfer speeds
- ✗ Not compatible with docking stations or USB-C-only hosts without adapters
- ✗ Fixed combo cables mean no option to use your own HDMI runs
SpecPicks Verdict
SpecPicks scored DiamondTiger 4 Port HDMI KVM Switch using a rating × review-volume × price-fit model applied to published specs and reviews across the kvm switches category. DiamondTiger's kvm switches lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
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 retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Key Features
- 4 Computers, 1 Monitor Setup: Effortlessly control up to 4 HDMI-equipped computers or laptops using just a single set of keyboard, mouse, and 1 monitor. Perfect for maximizing workspace efficiency and eliminating clutter.
- Stunning 4K@30Hz Ultra HD: Supports resolutions up to 4Kx2K@30Hz, making the image display more exquisite and realistic. Also backward compatible with lower resolutions for a crisp, lag-free visual experience.
- 3 USB 2.0 Peripheral Ports: Features 3 integrated USB 2.0 ports to share devices like printers, scanners, flash drives, and webcams between all 4 computers, streamlining your workflow.
- Two Convenient Switching Modes: Switch between your systems seamlessly within seconds using either the one-button front panel switch or the included 1.5m wired desktop controller for easy reach.
- Plug & Play with Full Cabling: Ready to use straight out of the box with NO software required. Package includes 1x HDMI KVM Switch, 4x dedicated HDMI/USB combo cables, 1x wired desktop controller, and 1x user manual. (Note: Not compatible with docking stations or USB-C only host devices without adapters).
Full Specifications
| Brand | DiamondTiger |
|---|---|
| Model | KSH 401 |
| Material | Plastic |
| Terminal | Through Hole |
| Unit Count | 1.0 Count |
| Part Number | KSH401 |
| Switch Type | Push Button |
| Circuit Type | 1-way |
| Connectivity | USB-C |
| Contact Type | Normally Open |
| Control Type | User Control |
| Compatibility | Switch |
| Material Type | Plastic |
| Mounting Type | Surface Mount |
| Connector Type | Plug In |
| Operation Mode | ON-ON |
| Connection Type | Wired |
| Item Dimensions | 8 x 6 x 1.5 inches |
| Number of Items | 20 |
| Contact Material | Brass |
| Full listing title | 4 Port HDMI KVM Switch, 4K@30Hz KVM Switcher for 4 Computers Share 1 Monitor and 3 USB 2.0 Devices, Support Keyboard Mouse Printer, with 4 HDMI USB Cables and Desktop Controller |
Ready to buy?
4 Port HDMI KVM Switch, 4K@30Hz KVM Switcher for 4 Computers Share 1 Monitor and 3 USB 2.0 Devices, Support Keyboard Mouse Printer, with 4 HDMI USB Cables and Desktop Controller is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
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