Epiphan Video AV.io 4K USB 3.0 Video Grabber
VideoGuys Part # (SKU): AVIO4K
MFR Part # (MPN): ESP1360
HDMI to USB 4K capture card
  • Full Description
  • Specifications
  • What's Included
  • Demo Videos
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The easiest way to capture 4K video
The plug-and-play Epiphan AV.io 4K™ capture card is as rugged as it is easy to use. Just connect your HDMI video source to your AV.io 4K, and your AV.io 4K to your computer via USB. Windows, Mac, and Linux operating systems will auto-detect the AV.io 4K capture card – no driver installation required.

Wide range of resolutions
AV.io 4K captures resolutions up to 4096×2160, with 4K UHD video streaming at 30 fps and 1080p at 60 fps. Use your video at its original resolution or let AV.io 4K scale it to exactly what you need.

4K streaming anywhere, anytime
This compact frame grabber will fit in any kit, or even in your pocket. AV.io 4K is a USB video grabber, so its HDMI capture will work perfectly up to 4K on any computer with USB 3.0.

Ultra low latency
AV.io 4K captures HDMI video and audio as it happens. With just one to two frames of latency, you likely won’t notice any lag at all

Crystal-clear audio
AV.io 4K captures PCM audio over HDMI at up to 24-bit 96 kHz. The two-channel stereo audio output has automatic resampling at 48 kHz and encodes in 16-bit.

Broad application support
AV.io 4K works seamlessly with your favorite paid or free applications such as Zoom, Wirecast, OBS, VLC media player, QuickTime, and Windows Camera. Save captured content and easily upload it to video platforms like YouTube and Vimeo.

Tough as nails
With its rugged metal exterior, the AV.io 4K capture card will stand up to repeated, long-term use. Drop it down a flight of stairs, step on it – it’ll still work. The same enclosure has even been used in space!

Operating System Support Windows 8.1, Windows 10, Mac OS X 10.10 and up, Linux distribution with kernel 3.5.0 or higher supported.
Drivers Native UVC and UAC device auto-detected by OS.
Input connector HDMI
Input resolution Standard and non-standard resolution from 640×360 up to 4096×2160 (4K DCI)
Output connector USB 3.0 B-Type connector with USB 2.0 backward compatibility
Output scaling Choose from: no scaling (1:1), preserve aspect ratio scaling or aspect ratio conversion scaling
Declared output formats (USB 3.0)  
Color space YUY2 (4:2:2)
Color space NV12 (4:2:0)
640×360 15, 23.97, 24, 25, 29.97, 30, 50, 59.94, 60 fps 15, 23.97, 24, 25, 29.97, 30, 50, 59.94, 60 fps
3840×2160 (4K UHD) 5, 10, 15, 20 15, 23.97, 24, 25, 29.97, 30
4096×2160 (DCI 4K)1
USB host controllers When capturing 4K resolutions we recommend using a computer with an Intel USB host controller (this is the most common type) to achieve the best results. With other USB host controllers such as ASM, AMD, VIA, Renesas, Eltron, Fresco and TI, capture will be at 96% to 79% of the expected frame rate.
HDMI Audio Input Up to 96 kHz sampling rates
Audio output 16-bit 48 kHz stereo sampling rates
Capture latency Near-zero. However, third-party applications may contribute capture delay
HDCP High-bandwidth digital content protection (HDCP) protected content cannot be captured
LED LED indicates the status of the AV.io 4K
Dimensions 3.54″ × 2.36″ × 0.91″, (90 mm × 60 mm × 23 mm)


  • Av.io 4K
  • USB 3.0 cable
  • HDMI cable
  • Quick Starter Guide