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Blackmagic Decklink Duo 2 Capture Card – SD/HD/3G-SDI Input/Output

  • Use it with your favourite software
  • Innovative technology
  • Unmatched video excellence
  • Peak quality connections
  • Select the right model for your situation



DeckLink offers you the world’s peak performance capture cards for Linux, Windows and Mac.

Use With Your Favourite Software

DeckLink video capture cards work with the software you love to use!

Linux Open Standard

Blackmagic DeckLink cards are open standard capture cards suitable for development of Linux based video applications. They’re intended to work effortlessly with DaVinci Resolve for;

  • Editing
  • Colour correction
  • Professional audio

Blackmagic’s Design Media Express is also offered for capture and playback when using DeckLink with the Linux operating systems. There’s also a free, well known SDK that makes it easy for you to develop specific solutions to meet your requirements.

Windows – Huge Array Of Software

Get access to a huge array of windows software! DeckLink supports “WDM”, “DirectShow” and “QuickTime”, so you can use applications such as;

  • DaVinci Resolve
  • Avid Media Composer and News Cutter
  • Premiere Pro
  • Sony Vegas Pro

For visual effects usage you have the option of using “Fusion”, “After Effects” and “Photoshop”. The audio software maintained includes “Nuendo”, “Cubase” and others.

When streaming you get compatibility with;

  • Flash Media Encoder
  • Xsplit Broadcaster
  • Wirecast
  • Livestream Procaster

Mac OS X – Maintained By More Software Applications

No other capture and playback cards are maintained by more software applications for Mac. Get drivers that work with excellent editing software such as;

  • DaVinci Resolve
  • Avid Media Composer
  • Final Cut Pro X
  • Premiere Pro
  • News Cutter

For visual effects get complete compatibility with “Fusion”, “Nuke”, “After Effects” and “Photoshop”. For audio, DeckLink capture cards work with “Fairlight” audio in DaVinci Resolve, “ProTools”, “Nuendo” and “Cubase”

For streaming, you can utilise;

  • Flash Media Encoder
  • Wirecast
  • Livestream Producer

Innovative Technology

Get the newest 6G-SDI and 12G-SDI technology so you can capture and playback in; Full resolution Ultra HD, 4K or even 8K video, while remaining fully compatible with all SD and HD-SDI equipment! That’s up to 16 times the resolution of regular 1080 HD video at a huge 7680 x 4320 image size!

DeckLink SDI 4K and the DeckLink Studio 4K contain 6G-SDI, while the innovative DeckLink 8K Pro has quad link 12G-SDI and DeckLink 4K Extreme 12G embraces dual link 12G-SDI connections for higher colour resolution, twin stream 3D stereoscopic support and frame rates up to 60p!

The DeckLink 8K Pro and DeckLink 4K Extreme 12G are the perfect option for DaVinci Resolve editing and colour correction!

Unmatched Video Excellence

DeckLink capture cards let you work with compressed video formats such as ProRes and DNxHD, as well as 10‑bit uncompressed YUV and 12‑bit RGB video. When working with uncompressed, all images are a statistically faultless pixel-for-pixel replica of the source, without any generational loss, so you have the assurance that you’re working at the absolute peak quality probable.

You will see benefits such as;

  • Sharper keying with green screens
  • Cleaner compositions
  • Superior colour improvement

Peak Quality Connections

With DeckLink capture cards you get pristine video and audio, along with compatibility for working with the broadest assortment of professional SDI gear, because every DeckLink video capture card features high quality connections. DeckLink 8K Pro embraces quad link 12G-SDI while other models feature single and dual link 6G and 12G‑SDI, or single link 3G-SDI. In addition, some DeckLink capture cards include a professional analog component, S-video and composite connections, along with 2 channels of AES/EBU and 4 channels of balanced analog audio in and out. All models comprise Black Burst/Tri-sync reference and serial deck control.

The 6G and 12G-SDI cards feature multi rate connections that robotically perceive and shift speed for working with all SD, HD and Ultra HD formats. The advanced DeckLink 8K Pro and DeckLink 4K Extreme 12G provision further high resolution DCI formats and higher frame rates!

Select The Right Model For Your Situation

There are multi-channel models that let you to utilise a single card to capture and playback from various sources at the same time!

All models support embedded SDI audio for full compatibility with professional broadcast gear such as;

  • Decks
  • Monitors
  • Projectors
  • And more

There’s a perfect DeckLink video capture card model for each project!

The high performance DeckLink 8K Pro and DeckLink 4K Extreme 12G feature the newest innovative 12G technology for Ultra HD and 8K. You can also pick from 1.5G, 3G, 6G and 12G‑SDI models that feature diverse combinations of SDI, Analog and HDMI connections.

The Versatility You’ve Been Looking For

Perfect for post production – SD, HD, Ultra HD, 4K and 8K! Work with any video format and resolution that you require! DeckLink capture cards let you capture from cameras, decks and live feeds, directly into editing, effects and design software applications such as DaVinci Resolve.

Dependent on the model you pick, DeckLink video capture cards support a comprehensive range of formats, used in modern;

  • Top quality film
  • Television
  • Commercial post production

For deep colour and high dynamic range work, you get;

  • 12‑bit RGB support
  • 4:4:4 image quality
  • High frame rate support of up to 6o frames per second
  • Stereoscopic 3D
  • and more!

There are DeckLink capture card models to support either file or tape based workflows for flawless monitoring in editing and grading suites using Professional SDI monitors, HDMI televisions and even digital cinema projectors. DeckLink capture and playback cards are used every day on Hollywood feature films, episodic television programs, music videos, commercials and more!

Featuring the latest leading-edge technologies such as 12G-SDI and 8K support, DeckLink video capture cards give you the peak excellence video and work with more applications and platforms than any other card.

Every DeckLink PCI Express capture card can be installed in Mac, Windows or Linux based workstations and servers, giving you decisive flexibility!

Presenting DeckLink 8K Pro

High resolution 8K capture and playback card with multi-channel provision for all formats up to Ultra HD and 4K!  DeckLink 8K Pro video capture cards are an innovative Generation 3, 8 lane PCI Express capture and Playback card. Intended for high resolution 8K workflows, they also including four 12G‑SDI connections.

DeckLink 8K Pro supports all:

  • SD
  • HD
  • Ultra HD
  • 4K DCI
  • 8K
  • 8K DCI formats

In addition to 8K, the four 12G‑SDI connections can be organised for accurate multi-channel capture and playback of 4 different video streams at any format or frame rate, up to 4K DCI 60p using the free DeckLink SDK.

DeckLink 8K Pro works in 8 and 10‑bit YUV 4:2:2, as well as 10 and 12‑bit RGB 4:4:4. You also get complete Rec. 2020 support for deep colour and accurate digital cinema quality images!

The bi-directional 12G‑SDI connections can be used for;

  • Quad link 8K
  • Single or dual link 4K
  • Ultra HD
  • HD
  • and even SD

You can also capture and playback at the same time!



Featuring 4 independent 3G-SDI connections, DeckLink Duo 2 is a PCI Express capture and playback card that supports SDI formats in SD and HD up to 1080p60! You get the flexibility of 4 separate capture or playback cards in one! Plus, it’s completely customisable so it’s perfect for media play-out systems, multi screen digital signage servers, real time multi channel capture systems and more!


SDI Video Inputs

  • 4 x bidirectional 12-bit SD/HD independently configurable as either Input or Output.

SDI Video Outputs

  • 4 x bidirectional 12-bit SD/HD independently configurable as either Input or Output.

SDI Audio Inputs

  • 16 channels embedded in SD and HD.

SDI Audio Outputs

  • 16 channels embedded in SD and HD.

Sync Input

  • Tri-Sync or Black Burst.

Computer Interface

PCI Express 4 lane generation 2, compatible with 4, 8 and 16 lane PCI Express slots.

Supported Codecs

AVC-Intra, AVCHD, Canon XF MPEG2, Digital SLR, DV-NTSC, DV-PAL, DVCPRO50, DVCPROHD, DPX, HDV, HEVC, XDCAM EX, XDCAM HD, XDCAM HD422, DNxHR & DNxHD, Apple ProRes 4444, Apple ProRes 422 HQ, Apple ProRes 422, Apple ProRes LT, Apple ProRes 422 Proxy, Uncompressed 8-bit 4:2:2, Uncompressed 10-bit 4:2:2, Uncompressed 10‑bit 4:4:4

Software Included

  • Media Express, Disk Speed Test, LiveKey, Blackmagic Desktop Video Utility and Blackmagic driver on Mac OS and Windows. Media Express, Blackmagic Desktop Video Utility and Blackmagic driver on Linux.

Internal Software Upgrade

  • Firmware built into software driver. Loaded at system start or via updater software.

Physical Installation

  • PCI Express 4 lane generation 2, compatible with 4 and 8 lane PCI Express slots on Mac OS, Windows and Linux. Mac OS systems require a Mac Pro computer with PCI Express slots. Please check the Support pages to see the full system requirements.

Software Applications

  • DaVinci Resolve
  • Fusion
  • Final Cut Pro X
  • Adobe Premiere Pro CC
  • Avid Media Composer
  • Adobe After Effects CC
  • Avid Pro Tools
  • Steinberg Cubase
  • Steinberg Nuendo
  • Adobe Photoshop CC

Other supported applications include:

  • The Foundry Nuke, Grass Valley Edius, Sony Catalyst Production Suite, Tools On Air Just: Play & Live & In, Softron MovieRecorder & MReplay, Adobe Flash Media Live Encoder, Telestream Wirecast, Livestream Producer, Resolume Arena, Magix Vegas Pro & Movie Edit Pro Premium, Corel VideoStudio Pro, CyberLink PowerDirector, Vidblaster X & Studio & Broadcast, Uniplay One & CG, CasparCG Server, Magicsoft CG, Xsplit Broadcaster, Imagine Communications Velocity & InfoCaster, DevTek Easy Media Suite, Metus Ingest, Boinx Software MimoLive, Cinegy Capture Pro, vMix Live, Renewed Vision ProPresenter, Ventuz Director, Class X Liveboard & Coral CG, Glookast Capturer, Open Broadcaster Software Studio, Nautilus NEMO3D, Burst Video WebClip2Go & [REC]Marker.

Video Standards

SD Video Standards

  • 525i59.94 NTSC, 625i50 PAL

HD Video Standards

  • 720p50, 720p59.94, 720p60
  • 1080p23.98, 1080p24, 1080p25, 1080p29.97, 1080p30, 1080p50, 1080p59, 1080p59.94, 1080p60
  • 1080PsF23.98, 1080PsF24, 1080PsF25, 1080PsF29.97, 1080PsF30
  • 1080i50, 1080i59.94, 1080i60

SDI Compliance

  • SMPTE 259M, SMPTE 292M, SMPTE 296M, SMPTE 372M, SMPTE 425M, ITU-R BT.656 and ITU-R BT.601.

SDI Metadata Support

  • RP 188/SMPTE 12M-2 and closed captioning.

Audio Sampling

  • Television standard sample rate of 48 kHz and 24 bit.

SDI Colour Precision

  • 8, 10, 12-bit RGB 4:4:4 in all modes up to 1080p30 and 8, 10-bit YUV 4:2:2 in all modes. 12-bit RGB 4:4:4 only supported in playback.

SDI Video Sampling

  • 8, 10, 12-bit RGB 4:4:4 in all modes up to 1080p30 and 8, 10-bit YUV 4:2:2 in all modes. 12-bit RGB 4:4:4 only supported in playback.

Colour Space

  • REC 601, REC 709


Colourspace Conversion

  • Hardware based real time.

HD Down Conversion

  • Built in, high quality software down converter on playback and capture. Down converted SD selectable between letterbox and anamorphic 16:9 styles.

HD Up Conversion

  • Built in, high quality software up converter from SD to 720HD or 1080HD on input. Selectable between 4:3 pillarbox, 14:9 zoom and 16:9 zoom.

Cross Conversion

  • Built in, high quality software cross conversion from 720HD to 1080HD, 1080HD to 720HD on playback.

Real Time Effects

  • DaVinci Resolve, Final Cut Pro X internal effects. Adobe Premiere Pro CC Mercury Playback Engine effects. Avid Media Composer internal effects.

Physical Specifications

Blackmagic Decklink Duo 2 Capture Card - SD/HD/3G-SDI Input/Output

Operating Systems


  • 10.13 High Sierra
  • 10.14 Mojave or later


  • 7, 8.1 and 10, all 64-bit.


  • Linux

Power Requirements

Power Consumption

  • 10 Watts

EMC Certifications

  • FCC, CE and C-Tick

Environmental Specifications

Operating Temperature

  • 5° to 40 ° C (32° to 104° F)

Storage Temperature

  • -20° to 45° C (-4° to 113° F)

Relative Humidity

  • 0% to 90% non-condensing

What’s Included

  • DeckLink Duo 2
  • SD card with software and manual


3 Year Limited Manufacturer’s Warranty

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