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Black rectangular box with four HDMI inputs one output USB ports and push buttons on front

STARTECH

STARTECH SV431HDU3A2 4-Port HDMI KVM Switch USB 3.0 1080p

SKU CH-1F68-WPX76 MPN SV431HDU3A2

Controls four HDMI computers from one console with a built-in USB 3.0 hub, supporting 1920 x 1080 at 60 Hz and stereo audio

  • PC connectionsHost Connectors: 4 x HDMI (19 pin) Female Input 1 x USB Type
  • Console ports1 x HDMI (19 pin) Female Output 4 x USB Type-A (4 pin) USB 2
  • Computer ports4 Ports
  • Monitor ports4-Port HDMI
  • Supported video resolutionMaximum Digital Resolutions: 1920 × 1080 @ 60 Hz Supported R
  • Switching methodPush Buttons/Hot Keys

Computer Connections 4 Ports

Style Single Monitor - USB 3.0 1080p

  • Control four HDMI computers from one console with integrated USB 3.0 hub for shared peripherals
  • Built-in USB 3.0 hub at 5 Gbps lets you share external drives and devices across all connected systems
  • Supports video resolutions up to 1920 x 1080 at 60 Hz for full HD clarity
  • 5 mm stereo audio switching keeps sound synced to the active computer
  • Switch instantly via front push buttons or hot-key combinations without software drivers

What it is and who it is for

The StarTech SV431HDU3A2 is a 4-port HDMI KVM switch with an integrated USB 3.0 hub. It lets one operator control four separate computers from a single monitor, keyboard, mouse and speaker set. The unit is aimed at IT administrators, developers and multi-system workstations that need to share peripherals without unplugging cables.

The specification that decides fit

Video support tops out at 1920 x 1080 at 60 Hz, so the switch is unsuitable for 1440p, 4K or high-refresh-rate displays. Each host connects through one HDMI input, one USB Type-B 3.0 link and a 3.5 mm audio jack; the console side provides one HDMI output, four USB Type-A 2.0 ports and one 3.5 mm audio output.

Installation and common issues

The device draws power from an included 12 V DC adapter that accepts 100 to 240 V AC, and switching is done by front-panel push buttons or configurable hot-key sequences. No drivers are required on the host computers. Buyers sometimes forget that the console USB ports are limited to 2.0 speeds even though the upstream link is 3.0, and that only two-channel stereo audio is passed through the 3.5 mm connections.

How it compares

Measured against everything we stock in KVM Switches & Rack Consoles, at today’s prices. Recalculated every night.

Price $325.99
Pricier than about 86% of the 4,010 comparable items (median $105.49).

Specifications

Product
Brand nameStarTech.com
Model nameSV431HDU3A2
Product typeKVM Switchbox
Display
Supported video resolutionMaximum Digital Resolutions: 1920 × 1080 @ 60 Hz
Supported Resolutions:
1024 × 768
1280 × 720 (High-definition 720p)
1920 × 1080 (High-definition 1080p)
Ports & slots
PC connectionsHost Connectors:
4 x HDMI (19 pin) Female Input
1 x USB Type-B (9 pin) USB 3.0 Female
4 × 3.5 mm Mini-Jack (3 Position) Female Input
Console ports1 x HDMI (19 pin) Female Output
4 x USB Type-A (4 pin) USB 2.0 Female
1 × 3.5 mm Mini-Jack (3 Position) Female Output
Computer ports4 Ports
Monitor ports4-Port HDMI
USB supportWith USB support
Power
Power requirementsInput Current: 0.6 A
Input Voltage : 100 to 240 AC
Output Current: 1.5 A
Output Voltage: 12 DC
Plug Type: M
Power Consumption (In Watts): 18 W
Size & build
Product dimensions8.7 in × 5.1 in × 1.7 in
Product weight3.55 lb (1.61 kg)
Shipping weight1.61 kg
Package size295 × 249 × 76 mm
More details
Switching methodPush Buttons/Hot Keys
Status lights4 x port selection/link LEDs
1 x power LED

Other versions of this model

2 more in the same range

Questions about this item

What does the 1080p 60 Hz rating mean when I connect four computers to one monitor?

The switch passes up to 1920 x 1080 at 60 Hz from whichever computer is active, so the console monitor shows that resolution without scaling.

How does the USB 3.0 host port and the four USB 2.0 console ports work together in practice?

The single USB 3.0 Type-B upstream link carries keyboard, mouse and hub traffic at 5 Gbps, while the four Type-A downstream ports provide USB 2.0 connections for peripherals.

What clearance and power connections does the unit need to sit on a desk?

It measures 8.70 x 5.10 x 1.70 inches and weighs 3.55 lbs, and it ships with a 100–240 V AC adapter that delivers 12 V DC at 1.5 A.

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