Active Displayport to HDMI Adatper Cable

Active Displayport to HDMI Adatper Cable


  • The active adapter enables you to connect a DisplayPort video output from your laptop or desktop PC to HDMI-equipped displays, HDTVs, and projectors
  • Supports resolutions up to 3840×2160 (4K) Ultra-HD @ 60Hz, 1080P@120Hz. Does not support HDR displays. Supports 8-channel LPCM and HBR audio up to a 192kHz sample rate
  • AMD Eyefinity compatible. VESA (DisplayPort) certified. Compliant with VESA Dual-Mode DisplayPort 1.2, High Bit Rate 2 (HBR2), and HDMI 2.0 standards
  • Will convert from DisplayPort on the computer to HDMI on monitor only. Not a bi-directional adapter and not compatible with gaming consoles, DVD/BluRay players and USB ports. Note that source device and attached display must support the desired resolution/mode – adapter will not allow the use of resolutions which are not supported by the source or display

Product Detail

Product Tags

Technical Specifications
Warranty Information
Part number                                                                  STC-MM024

Warranty                                                                       2-Years

Active or Passive Adapter                                             Active

Adapter Style                                                                Adapter

Output Signal                                                                HDMI

Converter Type                                                             Format Converter

Maximum Digital Resolutions                                       4k*2k/ 60Hz or 30Hz
Supported Resolutions:1920×1080 (1080p)
1680×1050 (WSXGA+)
1400×1050 (SXGA+)
1280×768 (WXGA)
1280x720p (720p)
800×600 (SVGA)
640×480 (480p)Wide Screen Supported                         Yes
Connector A                                                                    1 -DisplayPort (20 pins)  Male 

Connector B                                                                    1 -HDMI (19 pins) Female

Humidity                                                                        < 85% non-condensing

Operating Temperature                                                    0°C to 50°C (32°F to 122°F)

Storage Temperature                                                     -10°C to 75°C (14°F to 167°F)

Special Notes / Requirements
DP++ port (DisplayPort ++) required on video card or video source(DVI and HDMI pass-through must be supported)
Physical Characteristics
Products Length                                                               8 in (203.2 mm)

Color                                                                                Black

Enclosure Type                                                                PVC

Packaging Information
Package Quantity                                                            1Shipping (Package)
What’s in the Box

Active Displayport to HDMI Adatper Cable


Displayport to HDMI 

Product Description

The STC DP-HDMI active adapter allows you to connect your DisplayPort-enabled computer or tablet to virtually any HDMI display. As more and more system manufacturers such as Microsoft, Intel, Dell, and Lenovo include DisplayPort outputs on their systems, Plugable’s active adapters enable you to continue to utilize your existing HDMI displays while minimizing potential compatibility issues that can be caused by low-cost, low-quality “passive” adapters.

Our active DisplayPort to HDMI adapter is capable of supporting up to a 594MHz pixel clock and allows resolutions up to 3840×2160@60Hz or 30Hz(4K). (Most inexpensive “passive” adapters on the market, also known as “level-shifters” or “Type 1" adapters, have a maximum resolution of 1920×1200.) Supports pass-through of LPCM/HBR audio up to 8-channels and 192kHz sample rate.

The adapter has passed the extensive testing requirements necessary for VESA certification and is compliant with VESA Dual-Mode DisplayPort 1.2, High Bit Rate 2 (HBR2), and HDMI 2.0 standards. The adapter is also AMD Eyefinity and Nvidia compatible.



  • The active adapter enables you to connect a DisplayPort video output from your laptop, desktop, or tablet PC to HDMI-equipped displays, TVs, and projectors
  • Supports resolutions up to 3840×2160 (4k) Ultra-HD@60Hz. 1080p displays supported at 120Hz
  • VESA (DisplayPort) certified to ensure maximum compatibility and performance
  • Compliant with VESA Dual-Mode DisplayPort 1.2, High Bit Rate 2 (HBR2), and HDMI 2.0 standards
  • Compatible with the Plugable UGA-4KDP USB 3.0 DisplayPort graphics adapter
  • AMD Eyefinity compatible for 3+ displays
  • Supports 8-channel LPCM and HBR audio up to a 192kHz sample rate
  • Complies with HDCP content protection
  • Requires no driver installation or external power supply



The STC active DisplayPort to HDMI adapters should work with virtually any DisplayPort-enabled host and HDMI display, regardless of which operating system is in use. Though please note that system will require functional graphics drivers as normal.

Available resolution options will be determined by the specifications and abilities of your computer/graphics adapter and attached display. I.e.; if the graphics adapter in your system is only capable of outputting a maximum of 1080P to an external display, the Plugable active adapters will not allow you to exceed this limitation, regardless of the specifications of the attached monitor.

Will convert from DisplayPort on the computer to HDMI on monitor only. Not a bi-directional adapter, and not compatible with gaming consoles, DVD/Blu-ray players or USB ports.

HDMI connector fit may vary. Using too much force at insertion or removal can damage connectors. This can be a big deal if it's an expensive device like a Virtual Reality/Mixed Reality headset with non-removable cables. So be gentle, and if you have any questions about a particular connection please contact our support team.


Frequently Asked Questions

Q: I am only getting 4K@30Hz when using your adapter. How can I get 4K@60Hz?
There are several different reasons why a 4K display would be limited to 4K@30Hz using our adapter. We would recommend first checking:


  • System specifications to ensure that the internal graphics processor can support 4K@60Hz and that the output port on the system/GPU can support 4K@60Hz.
  • The DisplayPort output port must be DP 1.2 compliant.
  • Monitor specifications to ensure that it can support 4K@60Hz from the desired input port. HDMI input ports must be HDMI 2.0 specification.
  • Ensure that the HDMI cable is HDMI 2.0 compliant.


If both the system’s GPU, DisplayPort output port and the monitor claim support for 4K@60Hz, please check the Windows Advanced Display Adapter settings to ensure that 60Hz is available and selected from the drop-down list (example screenshot below).


If 30Hz is not listed and you are connected to our adapter with an HDMI cable, please double-check that the monitor has HDMI 2.0 ports. Additionally, some 4K TVs and monitors must enable an “HDMI 2.0,” an “HDMI UHD Color” or “Ultra HD/UHD Deep Color” (or similar) setting for 4K@60Hz to work via HDMI. Please consult the monitor’s manual and check the monitor’s menu settings to see if there is an applicable setting.


Q: What’s the difference between an active and passive adapter?
DisplayPort is a very interesting standard. It has a function known as “Dual-Mode” or “DisplayPort++/DP++” which allows other signal types to be passed through the DisplayPort connector, including TMDS which is the signaling required by HDMI and DVI displays. Passive adapters rely entirely upon the “Dual-Mode” DisplayPort functionality in conjunction with a voltage boost (DisplayPort natively has a 3.3V output, where HDMI requires 5V). When outputting a TMDS (DVI/HDMI) signal through Dual-Mode, most DisplayPort sources, as well as the inexpensive passive adapters on the market, are limited to a 165MHz clock rate. This limited clock rate generally limits the maximum resolution to 1920×1200 and reduces the maximum available color-depth to preserve the limited bandwidth.


Some mid-range DP -> HDMI adapters (whether these qualify as “active” or “passive” is a subject of much debate and confusion) are capable of operating at up to 300MHz, but ultimately they are still reliant upon the Dual-Mode functionality of the host to transmit the TMDS signal required for HDMI/DVI displays.


Plugable’s DP-HDMI adapter is truly active. Rather than relying upon passing a TMDS signal via DisplayPort’s Dual-Mode, the adapters actively convert the outgoing DisplayPort LVDS packets into the necessary TMDS signaling. With an internal clock rate of up to 594MHz, our adapters support all the “must-have” features of HDMI 2.0, with resolutions up to 4K@60Hz, stereoscopic 3D support, and higher color depths.


Q: Does the Plugable DP-HDMI adapter support AMD Eyefinity setups beyond two monitors?
Yes! AMD Eyefinity will allow up to two “legacy” display connections (HDMI, DVI, or VGA). The third connection must be native DisplayPort, i.e.; not Dual-Mode/DP++ carrying an HDMI signal (since that would count as one of the two “legacy” displays). When using our active adapter, the video card will not need to utilize one of the legacy connections but instead will address it as a native DisplayPort display. (Please note: per AMD, their graphics cards support a maximum of two active adapters.)


Q: Does the Plugable DP-HDMI adapter support 4:4:4 color/chroma sampling?
Yes! Our adapter supports 4:4:4 chroma sampling at 4K@60Hz resolutions at 8bit color depth (8bpc). Please be aware that the display that is being connected must also support 4:4:4 color depth and the HDMI cable must be HDMI 2.0 capable while connected to an HDMI 2.0 input port on the display.


Q: Does your adapter support HDR?
Our adapter does not support HDR imaging (High Dynamic Range). HDMI 2.0a is the minimum specification for supporting HDR, while our adapter supports HDMI 2.0 and previous standards.


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