Blackmagic Design DeckLink SDI 4K Capture and Playback Card

The Blackmagic Design DeckLink SDI 4K is a compact, professional-grade PCIe capture and playback card offering single-link 6G-SDI input and output for Ultra HD and DCI 4K video workflows. Designed for editors, broadcasters, colorists, and post-production professionals, it supports uncompressed and compressed video formats, RS-422 deck control, and real-time up/down/cross conversions. With 10-bit 4:2:2 and 4:4:4 processing, internal keying, and wide format compatibility, this card is ideal for high-quality video workflows across macOS, Windows, and Linux platforms.

Product Features

UHD and DCI 4K via 6G-SDI

Capture and playback Ultra HD (3840×2160) and full DCI 4K (4096×2160) at up to 30fps using a single 6G-SDI connection, ensuring high-resolution quality for modern video production needs.

Professional 10-Bit Processing

Enjoy accurate, high-fidelity color with 10-bit 4:2:2 and 4:4:4 processing. Perfect for green screen keying, color grading, and maintaining visual detail throughout the editing workflow.

Real-Time Format Conversions

Includes hardware-based down-conversion from HD to SD, up-conversion from SD to HD, and cross-conversion between 720p and 1080p formats for seamless integration into diverse production environments.

RS-422 Deck Control

Supports legacy and modern broadcast decks using the standard DE-9 RS-422 interface, enabling timecode-accurate ingest and control during capture or playback.

Internal Keying Support

Includes internal keying capabilities, allowing real-time graphic overlays directly through the SDI signal chain, essential for live productions and broadcast graphics.

Embedded Multi-Channel Audio

Supports up to 16 channels of embedded SDI audio for HD and 4K content, and up to 8 channels for SD, delivering high-quality multichannel audio alongside video streams.

Genlock and Reference Sync

Reference input supports blackburst and tri-sync signals for synchronizing with external broadcast infrastructure, essential for live multi-camera setups.

Wide Software and Platform Compatibility

Works with major NLEs and VFX software including DaVinci Resolve, Adobe Premiere Pro, Avid Media Composer, Final Cut Pro, and others. Fully compatible with macOS, Windows, and Linux.

Product Specifications

• Brand: Blackmagic Design
• Model: DeckLink SDI 4K
• Interface: PCI Express (PCIe)
• Input/Output Ports:
  • 1x 6G-SDI Input (BNC)
  • 1x 6G-SDI Output (BNC)
  • 1x RS-422 Deck Control (DE-9)
  • 1x Reference Input (BNC)
• Video Format Support:
  • SD, HD, 3G, and 6G-SDI formats
  • Resolutions supported include:
    • 4096 x 2160p at 23.98/24/25 fps
    • 3840 x 2160p at 23.98/24/25/29.97/30 fps
    • 2048 x 1080p at 23.98/24/25 fps
    • 1920 x 1080p at 23.98 to 60 fps
    • 1080i at 50/59.94/60 fps
    • 720p at 50/59.94/60 fps
    • SD: 576i at 50 fps / 480i at 59.94 fps
• Audio Support:
  • SDI: Up to 16-channel embedded audio in HD and 4K
  • Up to 8-channel embedded audio in SD
• Color Sampling:
  • 10-bit 4:2:2 and 10-bit 4:4:4
• Video Standards:
  • SMPTE: 259M, 292M, 296M, 372M, 425M, ST-2081
  • ITU-R: BT.601, BT.656
• Broadcast Compatibility: NTSC and PAL
• HDCP Support: Not supported
• Conversion Capabilities:
  • HD to SD down-conversion
  • SD to HD up-conversion
  • 720p to 1080p hardware cross-conversion (playback only)
• Supported Operating Systems:
  • macOS
  • Windows
  • Linux
• Certifications: CE, FCC, C-Tick
• Dimensions: 3.75 inches (9.53 cm)
• Weight: 4.5 oz (128 g)
• Package Dimensions: 5.5 x 5.3 x 1.1 inches
• Package Weight: 0.45 lb