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Blackmagic DeckLink 4K Extreme 12G PCIe card with HDMI mezzanine daughterboard

Blackmagic Design Pty. Ltd.

Blackmagic Design Pty. Ltd. DeckLink 4K Extreme 12G BDLKHDEXTR4K12G video capturing device

SKU CH-SHTZ-MD84S MPN BDLKHDEXTR4K12G

Captures and plays back UHD 4K and DCI 4K up to 60 fps via dual 12G-SDI and HDMI on an 8-lane PCIe Gen 2 card

  • Interface typePCI Express 8-lane generation 2, compatible with 8- and 16-l
  • Media formatsAVC-Intra AVCHD Canon XF MPEG2 Digital SLR DV-NTSC DV-PAL DV
  • Product formatSD Format Support 625/25i PAL, 525/59.94i NTSC HD Format Sup
  • Video sampling4:2:2, 4:4:4, and 4:4:4:4
  • Interface typeSMPTE 259M, SMPTE 292M, SMPTE 372M, SMPTE 435, ITU-R BT.656
  • Audio formatsTelevision standard sample rate of 48 kHz at 24 bit
  • 8-lane PCIe Gen2 interface enables high-bandwidth capture and playback
  • Dual 12G-SDI connections handle UHD 4K and DCI 4K up to 60 fps
  • Single and dual link 4:4:4:4 and 4:2:2 signals preserve full colour fidelity
  • 3D stereoscopic SDI output at 4:4:4:4 supports immersive workflows
  • Broad codec support including ProRes 4444 and 12-bit uncompressed simplifies post-production

Professional capture card for 4K workflows

The Blackmagic Design DeckLink 4K Extreme 12G is a PCI Express 8-lane generation 2 card built for broadcast and post-production. It targets editors and engineers who need simultaneous capture and playback of UHD and DCI 4K up to 60 fps. The board fits 8- and 16-lane slots and includes an HDMI mezzanine option for flexible I/O.

Dual 12G-SDI and analog connections

Two 12G-SDI inputs and outputs handle single-link and dual-link 4:2:2 or 4:4:4 signals with 2D/3D switching. Analog component, composite, S-Video and XLR audio ports sit on the rear bracket for legacy deck integration. The 6.69-inch depth suits standard workstation chassis without blocking adjacent slots.

PCIe Gen2 bandwidth limits 4K60 12-bit

The 8-lane generation 2 interface caps sustained throughput, so uncompressed 12-bit 4:4:4 at 4K60 may require frame buffering or compressed codecs such as ProRes 4444. Systems must run macOS 10.8 or later, Windows 7 64-bit or later, or Linux with supported NLE software. Buyers needing higher bandwidth or newer OS certifications should verify platform roadmap before purchase.

How it compares

Measured against everything we stock in Video Capture Cards & Boxes, at today’s prices. Recalculated every night.

Price $709.99
Pricier than about 91% of the 987 comparable items (median $43.99).

Specifications

Product
Brand nameBlackmagic Design
Product lineDeckLink 4K Extreme 12G
Model nameBDLKHDEXTR4K12G
Audio & video
Media formatsAVC-Intra
AVCHD
Canon XF MPEG2
Digital SLR
DV-NTSC
DV-PAL
DVCPRO50
DVCPROHD
DPX
HDV
XDCAM EX
XDCAM HD
XDCAM HD422
Apple ProRes 4444
Apple ProRes 422 (HQ, 422, LT, & Proxy)
Uncompressed 8-bit 4:2:2
Uncompressed 10-bit 4:2:2
Uncompressed 10 bit 4:4:4
Uncompressed 12-bit 4:4:4
Audio formatsTelevision standard sample rate of 48 kHz at 24 bit
Ports & slots
Interface typePCI Express 8-lane generation 2, compatible with 8- and 16-lane PCIe with HDMI mezzanine card
Size & build
Product dimensionsDepth: 6.69 in (17 cm)
Product weight10.56 oz (299.37 g)
Shipping weight0.45 kg
Package size254 × 178 × 76 mm
Compatibility
3D supportYes
Compatible withApple Final Cut Pro X, Adobe Premiere Pro, Avid Media Composer, Adobe After Effects, Nuke - The Foundry, DaVinci Resolve, Avid Pro Tools, Steinberg Cubase, Autodesk Smoke, Adobe Photoshop, Steinberg Nuendo, Avid Symphony, Avid News Cutter, Tools On Air just:in & live:cut & just:play & just:live, Softron OnTheAir, MovieRecorder and OnTheAir CG, Flash Media Encoder, Wirecast, Livestream Procaster, Resolume Avenue 4, Sony Vegas Pro, Corel VideoStudio Pro X4, CyberLink Power Director, MAGIX Video Pro X4, Vidblaster Pro & Studio & Broadcast, Uniplay, Playbox AirBox, CasparCG, Magicsoft CG
More details
Product formatSD Format Support
625/25i PAL, 525/59.94i NTSC
HD Format Support
720p 50/59.94/60
1080i 50/59.94/60
1080PsF 23.98/24/25/29.97/30
1080p 23.98/24/25/29.97/30/50/59.94/60
2K Format Suppor
2048 × 1080PsF 23.98/24/25
2048 × 1080p 23.98/24/25/47.95/48/50/59.94/60
4K Format Support
3840 × 2160p 23.98/24/25/29.97/30/50/59.94/60
4096 × 2160p 23.98/24/25/29.97/30/50/59.94/60
Video sampling4:2:2, 4:4:4, and 4:4:4:4

Questions about this item

What does the PCI Express 8-lane Gen 2 interface cap in practice?

It provides up to 4 GB/s throughput, limiting 12G-SDI capture and playback to the card's supported 4K 60 fps 4:4:4 formats.

What slot and chassis space does the card need to fit?

It requires an 8-lane or 16-lane PCIe slot and 17 cm depth, plus room for the included HDMI mezzanine card.

How is the HDMI mezzanine card installed, and what step is often missed?

Attach the mezzanine card to the main board header before inserting the assembly into the PCIe slot; skipping this leaves HDMI I/O inactive.

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