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Blackmagic Design DeckLink Duo 2

BH #BLDLD2 • MFR #BDLKDUO2
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Blackmagic Design DeckLink Duo 2
Key Features
  • SD/HD/3G-SDI Input/Output
  • PCI-E Interface
  • 1080p 4:4:4 by Single-Link 3G-SDI
  • 10/12-Bit Processing
With four bi-directional SDI interfaces, the Blackmagic Design DeckLink Duo 2 is a versatile video I/O card for professional video workflows. Since each SDI interface can be configured to be either an input or an output, a computer with this card installed can be purposed as a media play-out system, a multi-screen digital signage server, a live keyer, a real-time multi-channel capture system, or a combination of the above to fit your specific workflow of the moment. A reference input is also available for syncing with other studio equipment.
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Blackmagic Design Duo 2 Overview

With four bi-directional SDI interfaces, the Blackmagic Design DeckLink Duo 2 is a versatile video I/O card for professional video workflows. Since each SDI interface can be configured to be either an input or an output, a computer with this card installed can be purposed as a media play-out system, a multi-screen digital signage server, a live keyer, a real-time multi-channel capture system, or a combination of the above to fit your specific workflow of the moment. A reference input is also available for syncing with other studio equipment.

Processing
  • Color space conversion: Hardware based real time
  • HD down conversion: Built-in, high-quality software down converter from HD to SD on output. Down converted SD selectable between letterbox, anamorphic 16:9, and center cut 4:3 styles.
  • HD up conversion: Built-in, high-quality software up conversion from SD to 720 or 1080 HD on input. Selectable between 4:3 pillarbox, 14:9 zoom, and 16:9 zoom.
  • Cross conversion: Built-in, high-quality hardware cross conversion from 720 to 1080 HD, and 1080 to 720 on playback.
  • Real-time effects support: Final Cut Pro X internal effects, Premiere Pro CC Mercury Playback Engine effects, and Avid Media Composer internal effects.
Software Compatibility
The DeckLink Duo 2 interfaces with many popular NLE, DAW, and professional software programs including:
  • Blackmagic Design: DaVinci Resolve, Fusion 8
  • Apple: Final Cut Pro X
  • Adobe: Premiere Pro CC, After Effects CC, Photoshop CC
  • Avid: Media Composer, Pro Tools
  • Steinberg: Cubase, Nuendo
For an up-to-date list, see the Blackmagic Design website.

Blackmagic Design Duo 2 Specs

Inputs/Outputs
System Connection
PCIe 2.0 x4
Inputs/Outputs
4x BNC (3G-SDI)
Audio Inputs
No
Other I/O
1x BNC Blackburst, Reference, Tri-Level Sync Input
Simultaneous Multi-Input Support
Not Specified by Manufacturer
Format Support
Input Video Format
SDI (8/10/12-Bit 4:4:4/4:2:2 RGB, YUV)
1080p at 23.98/24/25/29.97/30/50/59.94/60 fps
1080PsF at 23.98/24/25/29.97/30 fps
1080i at 50/59.94/60 fps
720p at 50/59.94/60 fps
576i / 625 lines at 50 fps
480i / 525 lines at 60 fps
Embedded Audio
SDI: 16-Channel
Standards
Video Standard Compliance
SMPTE 259M/292M/296M/372M/425M
ITU -R BT.601/BT.656
HDR Support
Not Specified by Manufacturer
Hardware
OS Compatibility
Windows 8.1.10 or Later
macOS 10.14.15 or Later
Linux
Power
Power Consumption
10 W
Environmental
Operating Temperature
41 to 104°F / 5 to 40°C
Storage Temperature
-4 to 113°F / -20 to 45°C
Operating Humidity
0 to 90%
General
Certifications
C-Tick, CE, FCC
Dimensions
3.7" / 9.4 cm
Weight
5.64 oz / 160 g
Packaging Info
Package Weight
0.54 lb
Box Dimensions (LxWxH)
5.65 x 5.55 x 1.2"

Blackmagic Design Duo 2 Reviews

Does what it is supposed to

By Matthias Lot Ch
Rated 5 out of 5
Date: 2026-06-25

I have used several of these - with varying output specs, and all have been solid. Will usually pair them with the Sonnet cases and love the simplicity and quality of the pairing.

Replaced Decimator MD-HX

By Kevin
Rated 5 out of 5
Date: 2024-06-12

Purchased the Decklink Duo 2 card to make our equipment look cleaner and more streamline. It replaced two devices, which were decimators. The connector vs port took a moment to understand.

See any errors on this page?

Can I use this to play video on from files on my ...

Can I use this to play video on from files on my computer and send them to a switcher?
Asked by: Steve
Yes, when working with the Blackmagic Design DeckLink Duo 2 you can play video files from your computer using a compatible video software to output SDI video to a connected switcher when using the DeckLink card.
Answered by: Chris H
Date published: 2023-12-29

Can each thunderbolt port output the 4 signals? ...

Can each thunderbolt port output the 4 signals? Can I send the 4 signals to two machines? I’m using the Sonnet chassis
Asked by: Ryan
No, the Blackmagic Design DeckLink Duo 2 can only be used on one system at a time.
Answered by: Jonathan S
Date published: 2024-03-28

Will this accept 4k Signal from camera and ...

Will this accept 4k Signal from camera and auto-convert to 1080P60? Or do I have to shoot exclusively on 1080P
Asked by: Dongjoo
The DeckLink Duo 2 supports 1080p and SD.
Answered by: Anonymous
Date published: 2019-07-27

Will this work with the Akitio Node Thunderbolt ...

Will this work with the Akitio Node Thunderbolt enclosure?
Asked by: JONATHAN GEORGE
Yes it should. This Decklink card should work well with the Akitio Node Pro Single-Slot PCIe to Thunderbolt 3 Expansion Chassis, B&H # AKT3NPT3DIYA. https://bhpho.to/2SwNzvO
Answered by: Joe P
Date published: 2019-01-13

Are there any specific GPU requirements for this ...

Are there any specific GPU requirements for this card? I am planning on getting a RTX 2070 Super along with the DeckLink Duo 2 for use with ProPresenter 7
Asked by: Nathan
There are no specific requirements, however you will want to have at least a 4GB Graphics card if not more in general to deal with the kind of work associated with such a product.
Answered by: Joe P
Date published: 2020-10-22

Will this work with a pcie x4 gen 4?

Will this work with a pcie x4 gen 4?
Asked by: Booth Crew
Yes. the following unit is compatible with PCI Express 4 lane generation 2, compatible with 4, 8 and 16 lane PCI Express slots.
Answered by: hectorm
Date published: 2022-08-11

Does this card work with the Apple M2 Pro chip in ...

Does this card work with the Apple M2 Pro chip in the new mac minis?
Asked by: Peter
Yes
Answered by: BMD Product Specialist
Date published: 2023-02-28

Can i input sdi 3g?

Can i input sdi 3g?
Asked by: David
Yes you can.
Answered by: Andric
Date published: 2021-01-25
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