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Silver 1U rack-mount KVM switch with front push buttons and LED indicators

STARTECH

STARTECH SV431DUSBU 4 Port 1U Rack Mount USB KVM Switch

SKU CH-KDK6-KJCKZ MPN SV431DUSBU

Controls four VGA and USB computers from one keyboard, mouse and monitor in a 1U rack unit

  • PC connections4 x High Density DB15 (VGA) Female
  • Console ports1 x High Density DB15 (VGA) Female 2 x USB A Female
  • Computer ports4 Ports
  • Supported video resolution1920 × 1440@60 Hz (1920 × 1200@60 Hz - Wide Screen)
  • Switching methodPush Buttons/Hot Keys/OSD
  • Status lights1 x Green - Power 4 x Green - Online PC 4 x Red - Selected P

Computer Connections 4 Ports

Style Single Monitor - USB

  • Control 4 computers from one console using push buttons, hot keys or on-screen display
  • 1U rack-mount design fits standard server cabinets for space-efficient deployment
  • Supports VGA video up to 1920 x 1440 at 60 Hz for clear display output
  • USB keyboard and mouse share a single connection per computer for simplified cabling
  • Auto-scan function cycles through connected systems automatically for hands-free monitoring

4-Port 1U Rack-Mount USB KVM Switch

This StarTech.com SV431DUSBU lets you manage four USB-equipped computers from one USB keyboard, mouse and VGA monitor. It fits a standard 1U rack space and is aimed at datacentres, server farms, co-location sites and test labs that need single-console administration. The unit includes the required power adapter and unique cables for a secured connection between each computer and the switch.

Installation and common issues

The switch mounts in a 1U rack slot and connects to each computer through the supplied High Density DB15 and USB cables; console peripherals plug into the front-panel DB15 and two USB Type-A ports. Selection is made by front push-buttons, keyboard hot-keys or the on-screen display. A frequent issue is mismatched cable length or loose DB15 screws causing intermittent video; ensure all connectors are fully seated and secured before powering on.

Practical limits of VGA and USB console

Video output tops out at 1920 x 1440 at 60 Hz, with 1920 x 1200 at 60 Hz for widescreen formats; higher resolutions or refresh rates are not supported. The console keyboard and mouse share a single USB connection, so only standard USB HID devices are guaranteed to work — advanced gaming peripherals or multi-function USB hubs may not function correctly. The unit operates between 5 °C and 40 °C at up to 80 % relative humidity.

How it compares

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

Price $153.99
Pricier than about 70% of the 4,010 comparable items (median $105.49).

Specifications

Product
Brand nameStarTech.com
Model nameSV431DUSBU
Product typeD-Sub, USB
Display
Supported video resolution1920 × 1440@60 Hz (1920 × 1200@60 Hz - Wide Screen)
Ports & slots
PC connections4 x High Density DB15 (VGA) Female
Console ports1 x High Density DB15 (VGA) Female
2 x USB A Female
Computer ports4 Ports
Power
Power requirementsPower Adapter Included: Yes
Input Voltage: 110 to 240 AC
Output Voltage: 9 DC
Output Current: 500 mA
Size & build
Product dimensions1.69 in × 8.66 in × 5.12 in
Product weight3.31 lb (1.5 kg)
Shipping weight1.56 kg
Package size409 × 208 × 89 mm
Environment & compliance
Temperature range5&degC to 40 °C (41 °F to 104 °F)
Humidity range80% RH
More details
Switching methodPush Buttons/Hot Keys/OSD
Status lights1 x Green - Power
4 x Green - Online PC
4 x Red - Selected PC

Other versions of this model

5 more in the same range

Questions about this item

How can I confirm the KVM switch is operating correctly after connecting four PCs and a USB keyboard, mouse and VGA monitor?

The green power LED should be lit and the red selected-PC LED for the active port will illuminate; use the push buttons, hot-key sequence or OSD menu to cycle through all four ports and verify video appears at up to 1920 x 1440@60Hz on the shared monitor.

Which cables and accessories are included in the box versus what I must purchase separately for a four-PC setup?

The unit ships with the 9 V DC 500 mA power adapter; the four proprietary DB15-to-USB KVM cables required to link each computer are sold separately.

The product line shows several port counts — why choose the four-port version over the eight- or sixteen-port models?

The SV431DUSBU provides exactly four computer ports in a 1U rack-mount chassis measuring 1.69 x 8.66 x 5.12 inches and weighing 3.31 lb, matching smaller server-farm or lab deployments where only four USB-and-VGA systems need single-console control.

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