Magewell Pro Capture HDMI 4K Plus

Capture 4K resolution video using the professional Magewell Pro Capture HDMI 4K Plus Capture Card. This low profile PCI Express x 4 capture card is compatible with 4K and UHD video formats up to 4096 x 2160 at 60fps, and features a single HDMI input. Capture uncompressed video from a camera or switcher’s HDMI output on your computer for recording, editing, or streaming.

  • 4K at 60fps
  • HDMI + embedded audio
  • Support input resolution up to 4096×2160 pixels
  • PCIe Gen2 x4





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Magewell Pro Capture HDMI 4K Plus

The Pro Capture HDMI 4K Plus Capture Card from Magewell is a low-profile PCIe x4 card that allows for capturing a single channel of HDMI + embedded audio. The card supports extraction of AVI/Audio/SPD/MS/VS/ACP/ISRC1/ISRC2/Gamut InfoFrames, audio formation information and channel status data, video timing information, 3D format information, and Sony/Canon DSLR timecode. The card is also capable of performing various video processing features, including cropping, scaling, deinterlacing, aspect ratio conversion, color format conversion, video frame rate conversion, and video OSD composition.


Magewell Pro Capture HDMI 4K Plus


  • HDMI x1
  • Support input resolution up to 4096×2160 pixels
  • PCIe Gen2 x4
  • Auto Detection of Input Signal Format
  • Supports multiple cards in one system
  • 10-bit video processing
  • Deinterlace
  • Cropping
  • Color Adjustment
  • Hardware Timestamp
  • Color Space Conversion
  • Up/down Conversion
  • Aspect Ratio Conversion


Supported OS ·         Windows 7/8/8.1/10/2008/2008 R2/2012 (x86 & x64)

·         Linux (V4L2 kernel driver source code under NDA, supports x86, x64 & arm architecture)

·         Mac OS X (10.8 and above)

Supported APIs ·         Windows

o    DirectShow

o    DirectKS

o    Wave API/DirectSound/WASAPI

·         Linux

o    V4L2

o    ALSA

Supported Software ·         VLC

·         VirtualDub

·         OBS

·         XSplit

·         vMix

·         VidBlaster

·         Wirecast

·         Microsoft Media Encoder

·         Adobe Flash Media Encoder

·         Any other DirectShow/V4L2 encoding/streaming software

Input Interfaces ·         HDMI

o    DVI-D 1.0 (Dual link DVI not supported)

o    HDMI 2.0 (HDMI 2.0 cable required)

Output Interfaces ·         PCIe Gen2 x4
Input Features ·         Support for input video resolutions up to 4096×2160 pixels
HDMI Specific Features
  • 594MHz HDMIreceiver
  • Adaptive HDMI equalizer
  • Support for customized EDID
  • Support for extraction ofAVI/Audio/SPD/MS/VS/ACP/ISRC1/ISRC2/Gamut InfoFrames
  • Full colorimetry support
  • Support for 8/10/12-bit color depths
  • Support for RGB 4:4:4, YCbCr 4:4:4, YCbCr 4:2:2 color sampling
  • Support for up to 8-channel IEC60958/IEC61937 audio streams
  • Support for extraction of audio formation information & channel status data
  • Support for extraction of video timing information
  • Support for extraction of 3D format information
  • Support for extraction of Sony/Canon DSLR time code
  • Support for Side-by-Side Half, Top-and-Bottom, Frame Packing 3D mode
Video Output Formats ·         Support for output image resolutions up to 4096×2160 pixels

·         Support for output frame rates up to 120fps. (Actual output frame rate can be limited by PCIe bandwidth & image resolution)

·         Support for 4:2:0 8-bit output formats: NV12, I420, YV12

·         Support for 4:2:2 8-bit output formats: YUY2, YUYV, UYVY

·         Support for 4:4:4 8-bit output formats: V308, IYU2, V408, BGR24, BGR32

·         Support for 4:4:4 10-bit output formats: V410, Y410

·         More output formats are supported via Pro Capture SDK for DirectKS

Video Processing Features ·         Two video processing pipelines with ~720Mpixels/s processing bandwidth

·         Full 10-bit video processing

·         Video cropping

·         Video scaling

·         Video de-interlacing

o    Wave

o    Blend top & bottom field

o    Top field only

o    Bottom field only

·         Video aspect ratio conversion

o    Auto or manual selection of input aspect ratio

o    Auto or manual selection of output aspect ratio

o    Three aspect ratio conversion modes: Ignore (Anamorphic), Cropping or Padding (Letterbox or Pillarbox)

·         Video color format conversion

o    Auto or manual selection of input color format & quantization range

o    Auto or manual selection of output color format, quantization range & saturation range

o    Support for RGB, YCbCr 601, YCbCr 709, YCbCr 2020 color formats

o    Support for Limited or Full quantization range

o    Support for Limited, Full & ‘Extended gamut’ saturation range

·         Video frame rate conversion

Multiple Cards per System ·         Support for multiple cards plugged to one system

·         On-board rotary switch to set card number, with 16 positions from 0 to F

·         System hardware device tree will display “01: Pro Capture AIO” when rotary switch is set to 1, and so on

·         The video and audio device names displayed in your software will include the card number (set by the rotary switch)

Multiple Output Streams ·         Unlimited output streams for any one input channel

·         Independent cropping, aspect ratio, color format, resolution, frame rate, de-interlacing and color adjustment settings for each individual stream

Ultra Low Latency Support ·         Latency of 64 video lines

·         Partial notification mode in SDK

Timestamp &A/V Synchronization ·         Hardware based 100ns high resolution clock

·         Audio frames (192 audio samples) & video frames are stamped with hardware clock

·         Hardware clock can be synchronized across cards (via SDK)

Video Output SG-DMA ·         ~1600MB/s per channel DMA bandwidth in PCIe 2.x system

·         ~800MB/s per channel DMA bandwidth in PCIe 1.x system

·         Support for auto detection of Intel tiled GPU surface

·         Support for DirectGMA for AMD video adapter chipsets

·         Support for GPUDirect for Nvidia video adapter chipsets

SDK ·         Pro Capture SDK for DirectShow for easy integration (Windows)

·         Pro Capture SDK for DirectKS for maximum flexibility & performance (Windows)

Windows Driver Tweaks ·         All options can be controled by three levels of registry key: global level, product level and device level

·         Video,Audio, Crossbar filter names can be customized via registry keys

Firmware Upgrade ·         Multiple cards in one system can be upgraded simultaneously

·         Cards can be upgraded without a system power shutdown (In most cases, even a reboot is not needed)

LED Indicator ·         Status LEDs indicate the working state of each channel: idle, input signal locked, memory failed or FPGA configuration failed.
Form Factor ·         Low profile PCIe x4 Add-on Card

·         140mm x 68.88mm (without PCI bracket)

Power Consumption ·         Max current at 12V TBD

·         Max current at 3.3V TBD

·         Max power consumption TBD

Working Environment ·         Operating temperature: 0 to 40 deg C

·         Storage temperature: –20 to 70 deg C

·         Relative Humidity: 5% to 90% non-condensing


  • Magewell Pro Capture HDMI 4K Plus Capture Card (1-Channel)
  • Low Profile Bracket







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