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Magewell Pro Capture Dual SDI 4K Plus
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Best for
- Live streamingAnything going out live — switcher, encoder, capture card, PTZ and monitoring.
- Gaming streamingDesk streaming for Twitch and YouTube: USB mic, capture card, stream deck, key light and cam.
- Broadcast and newsStation and OB workflows: SDI infrastructure, intercom, encoders, reference and timecode.
Part number
11270 SKU
Host interfaces
PCIe Gen2 x8
Interface - host interface
PCIe Gen2 x8
Accessories
8 x HD-BNC to BNC cable (17.3cm)
Overview
Product description from Magewell
Two-Channel 4K Capture Card
Highlights
- Single-link 12G-SDI
- Dual-link 6G-SDI
- Quad-link 3G-SDI
More about this product
- Single-link 12G-SDI
- Dual-link 6G-SDI
- Quad-link 3G-SDI
Specifications and features
- Interface — Input Interface: SD/HD/3G/2K/6G/12G SDI x2; SD/HD/3G/2K/6G SDI x2; SD/HD/3G/2K/SDI x4; Support input resolution up to 4096×2160 pixels
- Interface — Host Interface: PCIe Gen2 x8
- Video Engine: 10-bit video processing; Deinterlace; Cropping; Color Adjustment; Hardware Timestamp; Color Space Conversion; Up/down Conversion; Aspect Ratio Conversion; OSD; SG-DMA Transmission mode
- Signal Detection & Support: Auto Detection of Input Signal Format; Time Code; Closed Caption
- Software Environment — OS: Windows, Linux, Mac
- Software Environment — Driver and Firmware: Universal Driver, Updatable Firmware
- Software Environment — Included Software: Capture Express
- Software Environment — Compatible Software: 50+
- Others: Multiple Capture Streams; Low Latency Mode; Multiple Devices on One Host; Mounting Hole; Continuously Work for 24hx7; High-speed Memory; LED Status Indicator; Rotary Switch; Windows, Linux and Mac SDK; 2-year Warranty
Key specs
- Part number
- 11270 SKU
- Host interfaces
- PCIe Gen2 x8
- Interface - host interface
- PCIe Gen2 x8
- Accessories
- 8 x HD-BNC to BNC cable (17.3cm)
Manuals & downloads
Full specifications
| Recommended OS | Windows 10/11/Server 2016/Server 2019/Server 2022/Server 2025 (x86 & x64) and above; Linux x86, x64 & ARM architecture, with 2.6.35 and above; Mac OS X 10.9 and above; macOS 10.12 and above |
|---|---|
| Supported APIs | Windows; DirectShow; DirectKS; Wave API/DirectSound/WASAPI; Linux; V4L2; ALSA; macOS; AVCaptureSession; AudioUnit |
| Supported Software | Adobe Flash Media Encoder; Livestream; Microsoft Media Encoder; OBS; Skype; Vahana; VirtualDub; VidBlaster; Video Stitch; VLC; vMix; Wirecast; XSplit; Any other DirectShow/V4L2/AVCaptureSession encoding/streaming software |
| Input Interfaces | HD-BNC x8; Four connectors are compatible with SD/HD/3G SDI; Two connecter is compatible with SD/HD/3G/6G SDI; Two connecter is compatible with SD/HD/3G/6G/12G SDI; Support for input of Single Link, Dual Link, Quad Link |
| Host Interfaces | PCIe Gen2 x8 |
| Input Features | Support for input video resolutions up to 4096x2160 pixels; Auto detection of Single Link, Dual Link, Quad Link |
| SDI Specific Features | Integrated cable equalizer extending the cable length as follows:; up to 330m for SD-SDI signals; up to 190m for HD-SDI signals; up to 150m for 3G-SDI signals; up to 75m for 6G-SDI signals; up to 40m for 12G-SDI signals; Support for SD/HD/3Ga/3Gb/3Gb-DL/3Gb-DS/6G/12G; Support for 2K (2048x1080) & 4K (4096x2160) mode; Support for RGB 4:4:4, YCbCr 4:4:4, YCbCr 4:2:2 color sampling; Support for 10/12 |
| Video Capture Formats | Support for capture image resolutions up to 4096x2160 pixels; Support for capture frame rates up to 144fps (Actual capture frame rate can be limited by PCIe bandwidth & image resolution); Support for 4:2:0 8-bit capture formats: NV12, I420, YV12; Support for 4:2:2 8-bit capture formats: YUY2, YUYV, UYVY; Support for 4:4:4 8-bit capture formats: V308, IYU2, V408, BGR24, BGR32; Support for 4:4:4 10- |
| Video Processing Features | Two video processing pipelines with ~720 Mpixels/s processing bandwidth for each one; Full 10-bit video processing; Video cropping; Video scaling; Video de-interlacing; Weave; Blend top & bottom field; Top field only; Bottom field only; Video aspect ratio conversion; Auto or manual selection of input aspect ratio; Auto or manual selection of capture aspect ratio; Three aspect ratio conversion mode |
| 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 Dual SDI 4K+” 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 Capture Streams | Unlimited capture streams for any one input channel; Independent cropping, aspect ratio, color format, resolution, frame rate, de-interlacing, color adjustment and OSD 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 Capture 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 chipset |
| SDK | Magewell Capture SDK for easy integration, maximum flexibility and performance |
| Windows Driver Tweaks | All options can be controlled 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); Safe upgrade. If power off or system break down occur when the firmware is being upgraded, it will automatically restore to the initial version. |
| LED Indicator | Status LEDs indicate the working state of each channel:; Pulsing slowly: input signal unlocked; On: input signal locked; Double blinks: memory failed or FPGA configuration failed; Off: firmware or power supply abnormal |
|---|---|
| Form Factor | Low profile PCIe x8 Add-on Card; 127.89mm x 102.92mm (without PCI bracket) |
| Accessories | 8 x HD-BNC to BNC cable (17.3cm) |
| Power Consumption | Max current at 12V:; 4 x 3G SDI: ~ 1.42 A; 2 x 6G SDI: ~ 1.41 A; 1 x 12G SDI: ~ 1.42 A; Max current at 3.3V:; 4 x 3G SDI: ~ 1.84 A; 2 x 6G SDI: ~ 1.73 A; 1 x 12G SDI: ~ 1.66 A; Max power consumption:; 4 x 3G SDI: ~ 23.05 W; 2 x 6G SDI: ~ 22.62 W; 1 x 12G SDI: ~ 22.52 W |
| Working Environment | Operating temperature: 0 to 60 deg C; Storage temperature: –20 to 70 deg C; Relative Humidity: 5% to 90% non-condensing |
| Interface — Input Interface | SD/HD/3G/2K/6G/12G SDI x2; SD/HD/3G/2K/6G SDI x2; SD/HD/3G/2K/SDI x4; Support input resolution up to 4096×2160 pixels |
| Interface — Host Interface | PCIe Gen2 x8 |
| Video Engine | 10-bit video processing; Deinterlace; Cropping; Color Adjustment; Hardware Timestamp; Color Space Conversion; Up/down Conversion; Aspect Ratio Conversion; OSD; SG-DMA Transmission mode |
| Signal Detection & Support | Auto Detection of Input Signal Format; Time Code; Closed Caption |
| Software Environment — OS | Windows, Linux, Mac |
| Software Environment — Driver and Firmware | Universal Driver, Updatable Firmware |
| Software Environment — Included Software | Capture Express |
| Software Environment — Compatible Software | 50+ |
| Others | Multiple Capture Streams; Low Latency Mode; Multiple Devices on One Host; Mounting Hole; Continuously Work for 24hx7; High-speed Memory; LED Status Indicator; Rotary Switch; Windows, Linux and Mac SDK; 2-year Warranty |
| SKU | 112700000 |
| Part number | 11270 SKU |
Diagrams
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Pro capture dual plus diagram
Manuals & downloads
Setups this belongs to
- Gaming and Twitch streamingA gamer streaming to Twitch or YouTube from a PC desk, solo, who wants the channel to look and sound built, not like a webcam call.
- Online teacher and coachingA tutor, coaching-institute faculty member or edtech creator teaching live or recording lessons from a desk or a small classroom.
- School, college and lecture captureA school or college putting classrooms, auditorium sessions and online classes on camera without an operator in the room.
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