By Magewell

Magewell USB Capture SDI 4K Plus

$1,111.40
$1,111.40
SKU: MG-321000000
Availability: Low stock: 2 left

Overview

The Magewell USB Capture SDI 4K Plus is a USB 3.0 capture device that supports 6G-SDI 4K input with a simultaneous SDI loop-through output, enabling 4K capture from broadcast cameras and production switchers while the signal feeds downstream SDI equipment uninterrupted. A 3.5mm audio jack provides analogue line-in and line-out alongside the SDI-embedded audio capture.

Key features
  • Single 6G-SDI BNC input (SD/HD/3G/2K/6G) with full SDI loop-through output
  • Captures up to 4096×2160 via USB 3.0 (practical 3840×2160p30 or 1080p90; limited by host and resolution)
  • Supports 6G 4K SDI (ST 2081) in addition to SD/HD/3G standards
  • SDI cable runs up to 75m for 6G-SDI; up to 150m for 3G-SDI
  • 3.5mm analogue Line In and Line Out alongside SDI-embedded audio capture
  • Compatible with Zoom Rooms, Microsoft Teams, OBS Studio, XSplit, VLC, QuickTime, and all DirectShow/V4L2/AVCaptureSession software
  • Rated for continuous 24/7 operation

Warranty

3-year warranty

Product specs Download
Assembly guide Download
Magewell I/O (Capture) Magewell USB Capture SDI 4K Plus
$1,111.40
$1,111.40

Technical details

Magewell USB Capture SDI 4K Plus

One-channel 4K capture device.

Capture SD/HD/3G/2K/6G SDI + embedded audio.

Loop-through SD/HD/3G/2K/6G SDI.

Audio input via Line in.

Extract SDI embedded audio and output via Line out.

  • Single 6G-SDI BNC input (SD/HD/3G/2K/6G) with full SDI loop-through output
  • Captures up to 4096×2160 via USB 3.0 (practical 3840×2160p30 or 1080p90; limited by host and resolution)
  • Supports 6G 4K SDI (ST 2081) in addition to SD/HD/3G standards
  • SDI cable runs up to 75m for 6G-SDI; up to 150m for 3G-SDI
  • 3.5mm analogue Line In and Line Out alongside SDI-embedded audio capture
  • Compatible with Zoom Rooms, Microsoft Teams, OBS Studio, XSplit, VLC, QuickTime, and all DirectShow/V4L2/AVCaptureSession software
  • Rated for continuous 24/7 operation
SpecificationDetail
Part Number32100
Video Input1 × 6G-SDI (BNC); SD/HD/3G/2K/6G supported
Loop-Through Output1 × SDI (BNC)
SDI StandardsSD (ST 259), HD (ST 292), 3Ga/3Gb (ST 425), 6G 4K (ST 2081)
Max Input Resolution4096×2160 (6G 4K at 30fps 4:2:2 10-bit)
Audio Ports3.5mm Line In / Line Out
USB StandardUSB 3.0 (USB 2.0 compatible)
Max Power~4.3W (0.86A at 5V)
Dimensions110.7 × 56.8 × 17mm
OS SupportWindows 10/11/Server; Linux (kernel 2.6.35+); macOS 10.9+; Chrome OS
Operating Temp0-45°C

Compatibility

  • Zoom Rooms, Microsoft Teams, Skype for Business, Google Meet, OBS Studio, XSplit, VLC, QuickTime Player, and any DirectShow (Windows), V4L2 (Linux), or AVCaptureSession (macOS) compatible software.

Frequently Asked Questions

Which SDI formats does the USB Capture SDI 4K Plus support?

It supports SD, HD, 3G, 2K and 6G 4K SDI (ST 2081) input.

What resolution can it capture?

It captures up to 4096 x 2160. In practice it delivers 3840 x 2160 at 30fps or 1080p at 90fps, depending on the host.

Does it have SDI loop-through?

Yes. The SDI loop-through output feeds downstream equipment without interruption.

How long can the SDI cable runs be?

It supports cable runs up to 75 m for 6G-SDI and up to 150 m for 3G-SDI.

What audio connections does it have?

It has 3.5 mm analog Line In and Line Out alongside SDI-embedded audio capture.

What warranty is included?

It includes a 3-year warranty.