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Compact silver metal box with push buttons and multiple ports

STARTECH

STARTECH SV431USB 4 Port VGA USB KVM Switch

SKU CH-Y7JZ-Y9T3S MPN SV431USB

Control up to four computers from one keyboard, mouse and monitor with automatic scanning intervals of 15 or 30 seconds and a keep-alive feature that retains mouse control during power loss

  • PC connections4 - USB B Female 4 - High Density DB15 Male
  • Console ports1–8 DIN Female 4 - USB A Female 1 - High Density DB15 Female
  • Computer ports4 Ports
  • Monitor ports1 Port
  • Supported video resolution1920 × 1440
  • Switching methodPush Buttons

Computer Connections 4 Ports

Style Single Monitor - USB USB 2.0 Hub

  • Control 4 computers from one keyboard, mouse and monitor
  • Share any USB device across all connected systems
  • Switch ports via push buttons or 3, 8, 15, 30 second auto-scan
  • Keep-alive feature retains mouse control during power loss
  • Solid steel rack-mountable case weighs 2.85 lbs

4 Port VGA USB KVM Switch

The StarTech SV431USB lets you command up to four PC or Mac computers from one keyboard, mouse and VGA monitor. A built-in USB hub shares any connected USB device across all four systems. Solid steel construction supports desktop or rack mounting for professional environments.

Suited for administrators managing multiple

Ideal for users who need simultaneous USB peripheral sharing alongside video switching. Not suitable for buyers who require digital video interfaces such as DVI, HDMI or DisplayPort. Also not suited for setups needing more than four computer connections or higher resolutions beyond 1920 x 1440.

Simple installation with push-button and hotkey

Connect each computer using the supplied VGA and USB cables, attach the console peripherals, then power the unit via the 5 V DC adapter. The keep-alive feature draws power from keyboard ports if the adapter fails, preserving mouse control. Auto-scan intervals of 3, 8, 15 and 30 seconds automate port rotation.

How it compares

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

Price $84.99
Cheaper than about 57% of the 4,010 comparable items (median $105.49).

Specifications

Product
Brand nameStarTech.com
Model nameSV431USB
Product typeD-Sub, USB
Display
Supported video resolution1920 × 1440
Ports & slots
PC connections4 - USB B Female
4 - High Density DB15 Male
Console ports1–8 DIN Female
4 - USB A Female
1 - High Density DB15 Female
Computer ports4 Ports
Monitor ports1 Port
USB supportUSB port only
Power
Power requirementsPower Adapter Maximum Amperage: 2 Amperes
Power Adapter Output Voltage: 5 DC Volts
Size & build
Product weight2.85 lb (1.29 kg)
Shipping weight1.27 kg
Package size289 × 197 × 74 mm
In the box
In the boxKVM Switch
User Manual
More details
Switching methodPush Buttons
Auto-scan interval3, 8, 15 and 30 seconds

Other versions of this model

5 more in the same range

Questions about this item

What console-side connectors do I need on my keyboard, mouse and monitor to use the SV431USB?

The console side provides one 8-pin DIN female for keyboard, one 8-pin DIN female for mouse and one high-density DB15 female for the VGA monitor.

Can I keep my older PS/2 keyboard and mouse when connecting four USB-only computers to this switch?

Yes. Each computer connects through a USB-B port and a high-density DB15 VGA port, while your PS/2 keyboard and mouse plug into the console DIN ports.

How can I verify the switch is scanning correctly after I power it on?

Press the front push-buttons to cycle through the four ports; the active port LED will change and the attached computers will display at 1920 x 1440 resolution.

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