TRENDnet
4-Port USB KVM Switch Kit with Audio, TK-409K, Control Up to 4 Computers, Windows, Linux, Mac OS Compliant, 2048 x 1536 VGA Resolution, NDAA & TAA Compliant, KVM Cables Included, Black
*Price sourced from Amazon.com. Last updated 2026-05-24. Price and availability subject to change.
TRENDnet’s 4-Port USB KVM Switch with Audio, model TK-409K, allows you to control four computers with one set of console controls. Experience up to 2048 x 1536 resolutions, no driver installation required. Separate sets of KVM cables are included with the KVM switch, so users can start controlling four workstations instantly. The KVM cables also provide power to the KVM switch, eliminating the need for a power adapter. Hot Key operations provide immediate access to features, such as computer switching, and auto-scanning. With its Hot-Plug and Audible Feedback, the 4-Port USB KVM Switch is…
SpecPicks Verdict
SpecPicks classifies TRENDnet 4-Port USB KVM Switch Kit with Audio, TK-409K, Control Up… as a solid pick with broad community endorsement in the kvm switches category, based on 1,539 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. TRENDnet'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 4.2★ customer rating
- ✓ Large, well-vetted feedback pool (1,539 reviews)
- ✓ Backed by TRENDnet's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ 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
- DEVICE INTERFACE: 1 x VGA /SVGA HDB 15-pin (Female); 2 x USB ports (Keyboard / Mouse); 1 x 3.5mm speaker jack; 1 x 3.5mm microphone jack
- NDAA COMPLIANT: With our NDAA compliant KVM Switch, you can plan and install networking solutions that Government customers demand today (U.S. and Canada Only)
- COMPUTER INTERFACE: (Up to 4) 1 x USB 2.0 Type A; 1 x VGA /SVGA HDB 15-pin (Female); 1 x 3.5mm speaker jack; 1 x 3.5mm microphone jack
- CONTROL UP TO 4 COMPUTERS: The 4-Port USB KVM Switch allows you to control up to four computers with one set of console controls
- KVM CABLES INCLUDED: Separate sets (4) of KVM cables are included with the KVM Switch, so users can start controlling four workstations instantly. 2 sets: 1.2m (4 ft.) and 2 sets: 1.8m (6 ft.)
- USB POWER: The KVM cables also provide USB power to the 4 Port KVM Switch with a max consumption of 0.7W, eliminating the need for a power adapter
Full Specifications
| Brand | TRENDnet |
|---|---|
| Color | Black |
| Model | TK-409K |
| Wattage | 10 watts |
| Material | Plastic |
| Terminal | Through Hole |
| USB POWER | The KVM cables also provide USB power to the 4 Port KVM Switch with a max consumption of 0.7W, eliminating the need for a power adapter |
| MULTI TASK | Listen to music or share a microphone from one computer while working on another |
| Unit Count | 1.0 Count |
| Part Number | TK-409K |
| Switch Type | Push Button |
| Circuit Type | 4-way |
| Connectivity | USB |
| Contact Type | Electronic_switch |
Ready to buy?
TRENDnet 4-Port USB KVM Switch Kit with Audio, TK-409K, Control Up to 4 Computers, Windows, Linux, Mac OS Compliant, 2048 x 1536 VGA Resolution, NDAA & TAA Compliant, KVM Cables Included, Black 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 2026-05-24. Price and availability subject to change.
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