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2 Port Dual DisplayPort USB KVM Switch with Audio & USB 2.0 Hub

Control 2 high-resolution dual DisplayPort computers with a single console

Product ID: SV231DPDDUA

3 stars (2 reviews) |
  • Native dual DisplayPort connections - no adapter required
  • Supports 2560x1600 @ 60Hz resolutions; beyond 1080p
  • Maximum resolutions of 3840x2400 at lower refresh rates
Your price
$415.99USD

In stock: US: 189 | CA: 113

Where to buy StarTech.com products
Where to buy

The SV231DPDDUA 2-Port USB Dual DisplayPort KVM Switch with Audio and USB 2.0 Hub combines next generation digital display standards with seamless KVM control, allowing you to switch between 2 dual head or twin DisplayPort systems. Also ideal for systems with a single DisplayPort output, and a second video source such as DVI or HDMI, using a low cost accessory adapter.

Delivering multi-computer control for high-res multimedia applications, the dual view KVM supports resolutions of 2560x1600 (@60 Hz) with DisplayPort HD audio, as well as 2-channel analog stereo audio and microphone input.

Suitable for high quality static imaging, such as medical applications (MRI, X-ray, etc.), a maximum resolution of 3840x2400 is supported at reduced refresh rates.

SV231DPDDUA Application Diagram

DisplayPort HDMI Comparison

This product is TAA compliant and backed by a Startech.com 3-year warranty with free lifetime technical support.

Applications

  • Multimedia design, multimedia post-production and video editing using Mac or PC computers
  • High resolution medical imaging and Health care display, such as MRI and Xray display
  • Stock trading stations with dual displays
  • Great for PC test/burn-in computer control saving the desk space required for multiple monitors, keyboards and mice
  • Dual system control for a single workstation increasing productivity in the office
  • Leverage DisplayPort’s high resolution capabilities for Satellite Topography equipment
  • Perfect for high-res Digital Signage server control, simplifying access to multiple systems

The StarTech.com Advantage

  • Versatile audio support via digital DisplayPort HD multi-channel audio or 3.5mm stereo analog audio
  • Integrated USB 2.0 hub provides peripheral sharing to eliminate the expense of duplicate devices (printers, scanners, etc.)
  • Versatile KVM solution works well with Mini-DisplayPort, DisplayPort to DVI or HDMI adapters; perfect for Dual DisplayPort or DisplayPort + DVI or HDMI video output, including Macbook® connectivity

Partner Numbers

  • Tech Data 10547444
  • A.B. Distributing, Inc. STAR-SV231DPDDUA
  • ASI 102712
  • Ingram Micro USA CT6683
  • D&H SV231DPDDUA
  • SYNNEX US STA-SV231DPDDUA
  • UPC 065030839266

Compatibility

  • OS Independent logo
OS independent; No software or drivers required

Specifications

Warranty Information Warranty 3 Years
Connector(s) 4 - Console Interface(s) USB Type-A (4 pin) USB 2.0
2 - Console Interface(s) DisplayPort (20 pin)
3.5 mm Mini-Jack (3 Position)
2 - Host Connectors USB B (4 pin)
4 - Host Connectors DisplayPort (20 pin)
3.5 mm Mini-Jack (3 Position)
Environmental Operating Temperature 0°C to 40°C (32°F to 104°F)
Storage Temperature -20°C to 50°C (-4°F to 140°F)
Humidity 0~80% RH
Hardware Audio Yes
KVM Ports 2
PC Interface USB
PC Video Type DisplayPort
Number of Monitors Supported 2
Rack-Mountable No
Cables Included No
Daisy-Chain No
Indicators 2 - LED Indicators Red - Selected PC
Green - On-Line
Packaging Information Package Height 3.9 in [100 mm]
Package Length 7.4 in [18.7 cm]
Shipping (Package) Weight 2.6 lb [1.2 kg]
Package Width 9.8 in [24.9 cm]
Performance On-Screen Display No
IP Control No
Hot-Key Selection Yes
Maximum Digital Resolutions WQXGA - 2560 x 1600
Wide Screen Supported Yes
Maximum Number of Users 1
Port Selection Support Push Button and Hotkeys
MTBF 138000 hours
Physical Characteristics Weight of Product 25.9 oz [734 g]
Color Black
Material Steel
Product Width 6.3 in [16.1 cm]
Product Height 2.3 in [57.6 mm]
Product Depth 3.9 in [100 mm]
Power Power Source AC Adapter Included
Input Voltage 100 - 240 AC
Input Current 0.8A
Output Voltage 12V DC
Output Current 1.5A
Center Tip Polarity Positive
Plug Type M
Power Consumption (In Watts) 18
Software OS Compatibility OS independent; No software or drivers required
What's in the Box 1 - Included in Package 2-port dual display DisplayPort KVM
universal power adapter (NA/EU/UK/AU)
instruction manual

Accessories

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12V DC 1.5A Universal Power Adapter

Replace your 12V DC (1.5 Amp) power cable, with a reliable connection

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1ft (30cm) DisplayPort 1.2 Cable - 4K x 2K Ultra HD VESA Certified DisplayPort Cable - Short DP to DP Cable for Monitor - Slim DP Video/Display Cord - Latching DP Connectors

Create high-resolution 4k x 2k connections with HBR2 support between your DisplayPort™-equipped devices, with reduced clutter

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Replace your lost or failed power adapter

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6ft (2m) DisplayPort 1.2 Cable - 4K x 2K Ultra HD VESA Certified DisplayPort Cable - DP to DP Cable for Monitor - DP Video/Display Cord - Latching DP Connectors

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Replace your lost or failed power adapter

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10ft (3m) DisplayPort 1.2 Cable - 4K x 2K Ultra HD VESA Certified DisplayPort Cable - DP to DP Cable for Monitor - DP Video/Display Cord - Latching DP Connectors

Create high-resolution 4K x 2K connections with HBR2 support between your DisplayPort equipped devices

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Create high-resolution 4k x 2k connections with HBR2 support between your DisplayPort-equipped devices over longer distances

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25ft (7m) DisplayPort Cable - 2560 x 1440p - DisplayPort to DisplayPort Cable - DP to DP Cable for Monitor - DP Video/Display Cord - Latching DP Connectors - HDCP & DPCP

Provide high resolution digital video and audio performance between your DisplayPort®-enabled devices

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USB2HAB1

1 ft USB 2.0 A to B Cable - M/M

Connect USB 2.0 peripherals to your computer

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Connect USB 2.0 peripherals to your computer

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10 ft USB 2.0 Certified A to B Cable - M/M

Connect USB 2.0 peripherals to your computer

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Drivers/Downloads

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Manual(s):

Datasheet

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Frequently Asked Questions

Installation

  1. Turn off all of the computers and monitors that will be connected to the KVM switch.
  2. Connect the power adapter to the KVM switch.
  3. Connect the video cables from your monitors to the console video port on the KVM switch. 
  4. Turn on the monitors.
  5. Connect your keyboard and mouse to the console PS/2 or USB ports on the KVM switch.
  6. If you have not done so already, change the KVM switch to focus on port 1.
  7. Connect the video cables from PC1 to the KVM switch.
  8. Connect the PS/2 or USB cables from PC1 to the PC1 PS/2 or USB ports on the KVM switch.
  9. Turn on PC1. You should see the computer load the operating system that you are using on PC1.
  10. Make sure that the mouse and keyboard can control PC1.
  11. Repeat steps 4 to 8 for each additional computer that you want to connect to the KVM switch. Leave the computer in focus until you make sure that the mouse and keyboard can control the computer in step 8.
  1. Turn off all of the computers and monitors that will be connected to the KVM switch.
  2. Connect the power adapter to the KVM switch.
  3. Connect the DisplayPort cables from your monitors to the console DisplayPort ports on the KVM switch. 
  4. If it is not already turned on, turn on the monitor.
  5. Connect your keyboard and mouse to the console PS/2 or USB ports on the KVM switch.
  6. If you have not done so already, change the KVM switch to focus on port 1.
  7. Connect the DisplayPort cables from PC1 to the KVM switch.
  8. Connect the PS/2 or USB cables from PC1 to the PC1 PS/2 or USB ports on the KVM switch.
  9. Turn on PC1. You should see the computer load the operating system that you are using on PC1.
  10. Make sure that the mouse and keyboard can control PC1.
  11. Repeat steps 4 to 8 for each additional computer that you want to connect to the KVM switch. Leave the computer in focus until you make sure that the mouse and keyboard can control the computer in step 8.

 

Troubleshooting

Monitors may begin flickering when they receive a signal of insufficient quality. There are a few potential fixes available that will help to improve the signal quality in order to eliminate flickering:

  • Replace Video Cables with high-quality Video Cables (e.g. upgrade DisplayPort 1.2 Cables to DisplayPort 1.4 Cables).
  • Use shorter Video Cables to reduce signal attenuation.
  • When possible, remove Video Adapters to use native Video Connection Types (e.g. go from VGA to VGA, or DisplayPort to DisplayPort)
  • For DisplayPort Monitors, try changing the DisplayPort Version on the Monitor. For information on how to change your Monitor Settings refer to the Manual from the Monitor Manufacturer.
  • Update the Drivers for the Computer’s GPU to the latest available from the Monitor Manufacturer.
  1. Ensure the video & USB cables are connected between each computer and the KVM switch
  2. Safely power off all computers.  Unplug everything from the KVM switch and connect one computer at a time, swapping the inputs previously used (e.g., the computer connected to PC2 now connects to PC1). Power on each computer and confirm functionality before connecting the next one to the KVM switch. 
    • If using a KVM switch that supports multiple displays, ensure all video connections from the computer are from either the video card or motherboard, both cannot be used simultaneously on most systems.

There are some quick tests that you can perform to rule out potential issues. Start by turning off all of the connected computers and peripherals, unplugging everything from the KVM, including power, and leaving it for 10 seconds.  Then connect everything to the KVM following the procedure in the following FAQ: https://www.startech.com/faq/kvm-switches-setup.

You can test to make sure that the following components are working correctly and are not the source of the issue:

  • Video cables

  • KVM switch

  • Video source (such as a DVR or computer)

  • Video destination (such as a monitor or projector)

Note: When you are testing your setup components, it is recommended that you avoid using any video adapters. For example, if you are converting a VGA source to HDMI to be used with an HDMI extender, you should test with an HDMI source.

To test your setup components, try the following:

  • Use the video cable, KVM switch, video source, and video destination in another setup to see if the problem is with the components or the setup.

  • Use a different video cable, KVM switch, video source, and video destination in your setup to see if the problem persists. Ideally, you should test a component that you know works in another setup.

When you test your cables, it is recommended that you do the following:

  • Test each cable individually.

  • Use short cables when you are testing.

When you test the video source and video destination, it is recommended that you do the following:

  • Remove the KVM switch from your setup and test to make sure that the video source and video destination work together without the KVM switch.

  • Test to make sure that the video source and video destination work together at the resolution that you want to use.

Note: In order for your setup to work properly, the video source, KVM switch, and video destination all need to support the resolution that you are using.

There are four troubleshooting actions that you can try if some but not all of the ports and your computer are working with the KVM switch. 

  • To determine if a specific cable is the source of the problem, switch the cables that connect the KVM switch to the computers to one working port and computer, and one port and computer that is not working. Keep the computer plugged into the same ports and only switch the cables. If the issue persists when you switch cables, the issue may be with the cable itself.
  • To determine if the problem is between the computer and the KVM switch, using the same cables, connect the KVM switch to one computer that is working and one computer that is not working. If the issue persists when you switch computers, follows the issue may be with the computer and the KVM switch.
  • Try reinitializing the KVM.  This is done by following the setup instructions on the website.
  • To determine if the KVM switch is the source of the problem, if you have another KVM switch, disconnect the current KVM switch and connect the second KVM switch.

If the keys on your keyboard are repeating, complete the following:

  1. If the KVM you are using has USB ports, you can move your keyboard to the USB hub port on the back of the KVM (the USB hubs are marked).

Note: When you move the keyboard out of the keyboard port, you will not be able to access the hotkeys.

  1.  You can adjust the typematic rate in your operating system’s settings. Depending on the version of Windows you are running, you can adjust the typematic rate by doing one of the following:
    • Click Control Panel > Keyboard > Speed. Adjust the repeat delay and repeat rate until the keys no longer repeat.
    • Click Control Panel > Hardware and Sound > Devices and Printers. Right-click Keyboard Settings. Adjust the repeat delay and repeat rate until the keys no longer repeat.

In order for your mouse to move properly between your monitors you must rearrange your monitors in Windows to match the physical location of your monitors on your desk. To do so, complete the following based on your operating system:

Windows 10 and Windows  8

  1. On your keyboard, press the Windows key + X and select Control Panel.
  2. Click Appearance and Personalization, then click Display.
  3. Click the Resolution or Adjust Resolution option from the left column, which will display your monitors as numbered icons.
  4. Click Identify to display the numbers on each connected monitor, showing how the operating system has assigned their positions.
  5. Click and drag the monitor icons to best match your physical setup.
  6. Click OK to apply the changes and close the window.

Windows 7 and Windows Vista

  1. Click the Start button and select Control Panel.
  2. Click Appearance and Personalization, then click Display.
  3. Click the Resolution or Adjust Resolution option from the left column, which will display your monitors as numbered icons.
  4. Click Identify to display the numbers on each connected monitor, showing how the operating system has assigned their positions.
  5. Click and drag the monitor icons to best match your physical setup.
  6. Click OK to apply the changes and close the window.

Windows XP

  1. Click the Start button and select Control Panel.
  2. Double-click Display.
  3. Click the Settings tab, which will display your monitors as numbered icons.
  4. Click Identify to display the numbers on each connected monitor, showing how the operating system has assigned their positions.
  5. Click and drag the monitor icons to best match your physical setup.
  6. Click OK to apply the changes and close the window.

To mirror the image from your primary monitor instead of extending your desktop, refer to the following FAQ: http://www.startech.com/faq/Windows_Mirroring_Monitors

To output 4K to a DisplayPort display at 30Hz, your monitor must support the resolution and refresh rate. If your monitor also supports 4K at 60Hz (DP 1.2 or higher), you may also need to set the monitor to work at 30Hz. 

To resolve this issue, use the buttons on your monitor to change the DisplayPort settings to DP1.1. For more information about how to change your monitor settings, refer to the website of the manufacturer of your monitor.

To output 4K to a DisplayPort display at 60Hz your monitor must support the resolution and refresh rate. If your monitor supports 4K at 60Hz (DP1.2 or higher) you may also need to set the monitor to work at 60Hz.

To resolve this issue, use the buttons on your monitor to change the DisplayPort settings to DP1.2. For more information about changing your monitor settings, refer to the website of the manufacturer of your monitor.

Before You Buy

KVM stands for Keyboard Video Mouse and KVM switches allow you to switch the use of a keyboard, display and mouse between multiple computers.  KVM switches also commonly let you switch audio and USB devices between computers.

There are different types of KVM switches as well.

  • Standard box KVM switches. (e.g. SV231USB)
  • Cable KVM switches. (e.g. SV211USB)
  • Multi-Monitor KVM switches.  (e.g. SV231DDUSB)
  • IP KVM switches. (e.g. SV841HDIE)

Standard box and cable KVM switches are a simple way to switch the use of a keyboard, display, and mouse between multiple computers.  Multi-monitor KVM switches allow you to switch multiple displays between computers, and IP KVM switches allow you to remotely control the KVM switch and connected computers over a network.

Here are some important things to consider before purchasing a KVM switch.

  • How many computers do you need to control?  Purchase a KVM switch that supports the number of computers in your setup.
  • Which video connections do your computers and display(s) support?  It is best practice to use the same video connections wherever possible.
  • Will you be using a PS/2 or USB mouse and keyboard?
  • Do you need multiple monitor support?  Ensure every computer can support the number of monitors you are looking to use in your setup.
  • Do you need audio support?
  • What resolution(s) do you want your display(s) running at?  The KVM switch must support the resolution(s) you want to use.
  • Would you like hotkey support?  Some KVM switches support the use of hotkey combinations to complete tasks such as switching between computers.

There are a couple of other important things you may want to take note of:

  • Some KVM switches require proprietary cables to function.  These KVM cables may vary by each KVM switch.  For StarTech.com KVM switches that require proprietary cables, the KVM switches will either come with these cables, or they will be listed in the Accessories tab on the individual product pages.  For more information, see our video dedicated to KVM switch cables.
  • Basic mice and keyboards are recommended for use with KVM switches.  Wireless, gaming or combo mice and keyboards (mice and keyboards that use a single USB connection / receiver for both units) can cause performance issues, and in general, are not supported for use with KVM switches.

It can be difficult to tell which ones are right for the KVM switch you are interested in.  How can you tell which KVM cables you require?  How can you tell if a KVM switch requires proprietary cables?  How do these cables work? 

Standard KVM Switches and Cables

Note: You will need one bundle of KVM cables per computer you want to connect to the KVM switch.

Standard KVM switches have no special cable requirements.  If you have spare video and PS/2 or USB cables, you can use them to hook up the KVM switch to your computers.  StarTech.com still sells KVM cable packages, but they are just for the convenience of buying them in bundles and usually involve some savings.  Keep in mind that even if you have some of the cables you need, it still might be advantageous to buy the bundle.

KVM Switches with Opposite Gender Video Connections

Some KVM switches use male video connections for the computers and female video connections for the console ports.  In this case you simply need a video extension cable, or a KVM cable package appropriate to the KVM switch.  This is so you cannot accidentally plug cables from your computer into the console ports.

KVM Switches Requiring Proprietary Cables

KVM switches can also use proprietary KVM cables to connect to the individual computers.  This is often done with larger KVM switches and KVM switches intended for a server environment.  These cables use a proprietary pinout which does not conform to the video standard in use, as the cable carries both the video and PS/2 or USB data along a single cable.

If you are unsure whether or not you need special cables, complete the following:

  1. Check the Technical Specifications tab on the individual product pages for What's in the Box.  This section lists everything that comes with your purchase, and your KVM switch might come with the cables.
  2. Check the Accessories tab.  This section lists potential accessories for the product you are looking at.  StarTech.com will list the appropriate KVM cables for the KVM switch here. 
  3. Check the Gallery and look at a picture of the back of the KVM switch.

Note: If there are no PS/2 or USB ports on the back of the KVM switch other than for the console, you will require proprietary cables.

If at this point you require further assistance in deciding which cables to purchase with your StarTech.com KVM switch, contact our technical support team.  

Whether a specific mouse or keyboard will work with StarTech.com KVM switches can depend on the type of mouse or keyboard you use.  Any mice with additional functionality or keyboards that are not standard 104 key keyboards could cause issues.  This includes wireless, gaming, combination (one USB receiver for both the mouse and keyboard), and Apple keyboards.  We recommend that you use a standard wired mouse and keyboard with our KVM switches, especially when you troubleshoot issues.

If you cannot get a specific mouse or keyboard to work with your KVM switch, connect the mouse or keyboard into the USB hub ports, if available (they are marked on the back of the KVM switch). If the KVM switch has hotkey functionality, you will lose the functionality when using these hub ports.

Common Issues

The Display Data Channel (DDC) communication from each connected computer can be disrupted when the focus of a KVM switch is switched between computers. This causes the computer to revert to a basic display configuration. In which any windows open may resize and/or move to a single display. This behavior is common among high-resolution or multi-display DisplayPort KVM switches and is not exclusive to StarTech.com products.

To avoid this behavior:

  • A DisplayPort EDID emulator can be connected between the computer and the DisplayPort KVM Switch. The DisplayPort EDID Emulator maintains the DDC communication to the connected computer, which prevents the computer from reverting to a more basic display configuration.
  • In Windows this can be worked around by pressing “Windows Key + m” prior to switching and “Windows Key + Shift + m” when you have returned to that Computer.

Common Issues

The beeping sounds cannot be disabled. They help confirm that a successful or unsuccessful hotkey command has been entered. Many people position their KVM switch out of sight. As a result, this feature saves time by not having to check the LEDs or press the physical buttons on the KVM switch.
 

Compliance and safety

Compliance letters

Safety Measures

  • If product has an exposed circuit board, do not touch the product under power.
  • If Class 1 Laser Product. Laser radiation is present when the system is open.
  • Wiring terminations should not be made with the product and/or electric lines under power.
  • Product installation and/or mounting should be completed by a certified professional as per the local safety and building code guidelines.
  • Cables (including power and charging cables) should be placed and routed to avoid creating electric, tripping or safety hazards.
*Product appearance and specifications are subject to change without notice.

Customer Reviews

(2 reviews)
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(5 Stars)

Solid Product

By: AlanJ - 01/11/2021
I have had this product for nearly 3 years - simple to set up, switches between Mac & PC with two 2560x1440 displays and logitech wireless mouse / keyboard. Super easy to use - couldn't have hoped for a more trouble-free better product.
| Helpful?
(1 Stars)

Garbage... What use does this have?

By: Frustrated2021 - 05/02/2021
I learned something new this week: EDID, or Extended Display Identification Data, is used by the computer to determine it is connected to an external display. Without it, the computer thinks it is not connected. When using a KVM switch, if EDID data isn't reported to the computer, such as when switching between machines, the computer defaults its desktop (at least under Windows). This device does not mimic EDID data; therefore, switching causes the computer to think it has lost its display. EDID Emulation is available, better KVM devices offer it. StarTech is not a "better KVM device", however. They recommend that after buying their overpriced box, that one goes and buys external EDID emulators to overcome this problem - instead of just engineering it into their product. I have to say I'm disappointed; this isn't a cheap import - it is supposed to be a quality device; though I learned this is not the case. Furthermore, I've noticed continued issues when switching. More than half of the time, when I switch, the displays don't come up. I have to switch back and forth numerous times to get the monitors to be recognized. When doing so many switches, I've also noted that keyboard and mouse functions have gotten weird. The mouse wheel will often stop working, the keyboard doesn't register; and the only solution left is to reboot. I am absolutely unimpressed - I strongly recommend individuals consider alternative vendors and avoid the frustrations that I and others have had with this manufacturer. Hopefully, they'll get their act together and fix their faulty designs.
| Helpful?
Dan, Customer Support on 5/4/2021 7:37:06 AM
Thank you for your detailed review and we apologize that the KVM didn't meet your expectations. I have passed your feedback along in regards to the built in EDID emulation for KVMs. We will be reaching out to see if we can help resolve the issues you are seeing when switching back and forth.
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