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Two independent 4K60 HDMI channels with loop-throughs on a single PCIe x8 card.
Ask us a quick question about this product — signal compatibility, use case fit, or anything technical. We usually reply the same day.
The Pro Capture Dual HDMI 4K Plus LT puts two fully independent 4K60 HDMI capture engines onto one PCIe x8 card, each with its own loop-through. For high-density 4K HDMI production it is the densest option per slot.
The card is built for premium dual-source 4K production workflows: a broadcast gallery handling two 4K HDMI cameras, a corporate AV system streaming two 4K conference rooms simultaneously, or a streaming production handling two cinema-camera HDMI feeds. The loop-throughs mean each captured signal continues feeding downstream monitors or switchers in real time.
Both channels share a PCIe x8 connection but run on fully independent FPGA pipelines, so mixed-format input is supported — one camera at 4K60 and another at 1080p60, for instance, captured simultaneously without issue.
| SKU | 112600000 |
| Brand | Magewell |
| Category | Pro Capture |
| Form Factor | Full-height PCIe x8 — 210mm × 111mm |
| Host Interface | PCIe Gen2 x8 |
| Video Input | 2× HDMI type A (HDMI 2.0b) |
| Loop-through | 2× HDMI type A (loop-through) |
| Max Input Resolution | 4096×2160 4K 60fps per channel |
| Signal Features | HDMI 2.0b — HDR10/HLG — 8/10/12-bit — RGB/YCbCr 4:4:4/4:2:2/4:2:0 — Up to 8-ch audio per input |
| Video Capture Formats | 4:2:0 8-bit: NV12, I420, YV12 — 4:2:2 8-bit: YUY2, YUYV, UYVY — 4:4:4 8-bit: V308, IYU2, V408, BGR24, BGR32 — 4:4:4 10-bit: V410, Y410 — Up to 144fps (resolution & bandwidth dependent) |
| Video Processing | Full 10-bit pipeline (~720 Mpixels/s ×2) — Scaling, Cropping, De-interlace — Aspect ratio conversion — Colour space (RGB, YCbCr 601/709/2020) — Frame rate conversion — OSD per channel |
| Audio | HDMI embedded up to 8-channel per input, 24-bit at 48kHz |
| Multi-Stream | Unlimited simultaneous capture streams per channel — independent crop/colour/resolution/frame rate per stream |
| Latency | Ultra low — 64 video lines |
| DMA Bandwidth | ~400 MB/s (PCIe 2.0) — ~200 MB/s (PCIe 1.0) — Intel tiled GPU, AMD DirectGMA, Nvidia GPUDirect |
| Sync & Timestamp | Hardware 100ns clock — A/V synchronisation — Multi-card sync via SDK |
| Recommended OS | Windows 10/11/Server 2016/2019/2022/2025 (x86 & x64) — Linux x86/x64/ARM kernel 2.6.35+ — macOS 10.9+ / 10.12+ |
| Supported APIs | Windows: DirectShow, DirectKS, WASAPI/Wave/DirectSound — Linux: V4L2, ALSA — macOS: AVCaptureSession, AudioUnit — Magewell Capture SDK |
| Compatible Software | VLC, VirtualDub, OBS, XSplit, vMix, Wirecast, Adobe Flash Media Encoder, Microsoft Media Encoder, any DirectShow/V4L2/AVCaptureSession software |
| Multi-Card / SDK | Magewell Capture SDK — rotary switch 0–F for multi-card systems — safe firmware upgrade without shutdown |
| LED Indicator | Pulsing slowly: no signal — On: signal locked — Double blink: memory/FPGA error — Off: firmware/power fault |
| Power | Max 25W |
| Working Environment | Operating: 0°C to 60°C — Storage: −20°C to 70°C — Humidity: 5–90% non-condensing |
| UK Stock | In Stock |
| Warranty | 2–3 Years (Magewell manufacturer warranty) |
Full specifications: magewell.com/tech-specs/pro-capture-dual-hdmi-4k-plus-lt ↗
Everything included in the box with the Pro Capture Dual HDMI 4K Plus LT. Part numbers and accessory images from official Magewell documentation.



If anything is missing from your delivery, contact us within 7 days and we will arrange a replacement.
Official Magewell documentation for the Pro Capture Dual HDMI 4K Plus LT. Datasheet is mirrored on our server for direct download; drivers, firmware and software live on Magewell's download centre and open in a new tab.
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The Pro Capture Dual HDMI 4K Plus LT uses a PCIe x8 slot. It will also fit in larger PCIe slots (x8, x16) as PCIe is backward compatible, but will run at the card's native lane width.
The Pro Capture Dual HDMI 4K Plus LT is a capture card. Simultaneous playback (loop-through) depends on the specific model — check the Loop-Through spec in the full specification table. ForeFront Imaging can advise if you need simultaneous I/O.
The Pro Capture Dual HDMI 4K Plus LT works with any software that supports DirectShow (Windows), V4L2 (Linux), or AVCaptureSession (macOS), including OBS Studio, vMix, Wirecast, Capture One, XSplit and most broadcast NLE software. Magewell's free Capture Express software is also available.
The Pro Capture Dual HDMI 4K Plus LT accepts 2x HDMI 2.0 with loop-through.
The Pro Capture Dual HDMI 4K Plus LT captures at up to 3840x2160 @ 60fps per channel.
Yes. Magewell Pro Capture cards are fully supported on Windows 10 and Windows 11. Driver downloads are available free from Magewell's website and from our Software page.