The compact, ready-to-stream ASUS TUF GAMING CAPTURE BOX-4KRPO delivers incredible 4K60 video with near-zero latency to captivate fans and followers.
  • HDMI 2.1 compatibility offers HDR passthrough video support of 4K up to 144 Hz, 2K up to 144 Hz, and Full HD up to 240 Hz
  • Experience smooth video streaming of 4K up to 60 fps, 2K up to 120 fps, and Full HD up to 120 fps, all through a plug-and-play USB 3.2 Gen 2 connection
  • Two 3.5mm jacks enable connection with a controller and headset for game console party mode
  • Certified OBS™ compatibility ensures optimal usage on a wide variety of streaming platforms
  • VRR (variable refresh rate) passthrough for enjoying the next-gen gameplay without lag or screen tearing.
  • ARGB Lighting on exterior signals the device’s operating status
  • On-board upscaling and downscaling provide auto scaling up to 4K, removing the need for manual adjustments
  • Aluminum outer shell dissipates heat and improves durability


Whether you want to broadcast to your followers while playing on a console or PC, ASUS TUF GAMING CAPTURE BOX-4KPRO lets you unleash top-notch gaming streams that’ll make the crowd to wild.

Capture Every Detail of the Action

ASUS TUF GAMING CAPTURE BOX-4KPRO supports up to 4K144 HDR passthrough via HDMI 2.1 ports and keeps your gameplay smooth by offloading up to 4K60 video to your external workstation or laptop via a USB 3.2 Gen 2 connection. Get ready to amaze your followers with livestreams in mind-blowing quality.

Passthrough Video

  • Up to144Hz

    in 4K

  • Up to144Hz

    At 2K Bypass

  • Up to240Hz

    in Full HD

Capture Video

  • Up to60fps

    in 4K

  • Up to120fps

    in 2K

  • Up to120fps

    in Full HD

ASUS TUF GAMING CAPTUE BOX-4KPRO steaming scenario photo

Streaming with Squad or Solo

For streamlined capturing of console parties or live solo commentary, a headset and controller can be connected to ASUS TUF GAMING CAPTURE BOX-4KPRO via two 3.5 mm jacks. The headset connection seamlessly transmits audio to party members and allows the audience to listen in on all the action.
ASUS TUF GAMING CAPTUE BOX-4KPRO with certified for OBS logo

Certified for OBS™

Backed by OBS Studio™ certification, ASUS TUF GAMING CAPTUE BOX-4KPRO delivers masterful video content tailored for your favorite streaming platform.

On-board Scaling Supported

With an onboard scaler, TUF GAMING CAPTURE BOX-4KPRO can automatically sync up streaming resolution with input resolution, eliminating the need to make extra adjustments and making setup easier and quicker.

*upscaling supported up to 4K

On-board Scaling Supported
ASUS CAPTURE BOX-CU4K30 VRR(variable refresh rate) comparison illustration ASUS CAPTURE BOX-CU4K30 VRR(variable refresh rate) comparison illustration

VRR Passthrough For Fluid Gameplay

VRR (variable refresh rate) passthrough is an additional perk of the ASUS TUF GAMING CAPTURE BOX-4KPRO, enabling smooth visuals by synchronizing the refresh rate of your VRR-compatible display with the frame rate of your console or PC.

*VRR passthrough requires connected devices to support HDMI 2.1; check with your device manufacturers to confirm compatibility.

ASUS CAPTURE BOX-CU4K30 scenario photo

Compact, Ready-to-Go Design

Inside and out, ASUS TUF GAMING CAPTURE BOX-4KPRO is crafted for hassle-free operation. Its half-palm-sized aluminum chassis reduces desktop clutter and silently boosts reliability by dissipating heat generated by internal components. And USB class video support allows PC or laptop hookup without requiring dedicated drivers, for rapid deployment anytime, anywhere.

ASUS Video Capture Console

A software dashboard from Asus, the Video Capture Console not only lets you customize the lighting effects of the TUF GAMING CAPTURE BOX’s ARGB element and enables full audio control from your PC or console, it also allows you to setup the recording and livestream functions.

Customizable Lighting Effects

The front of the ASUS TUF GAMING CAPTUE BOX-4KPRO is illuminated by an ARGB lighting strip that conveniently indicates functional status.​
  • Standby mode

    (USB 2.0)
  • Standby mode

    (USB 3.2 Gen1)
  • Standby mode

    (USB 3.2 Gen2)
  • Firmware

  • Party Mode On

  • Party Mode Off

  • HDMI Signal

  • Device Signal


Get Ready to Capture and Conquer

Gaming device, streaming PC, controller, and headset – just hook up each to immediately start streaming the action to your followers!
ASUS CAPTURE BOX-CU4K30 provides comprehensive connectivity

Gaming Device

HDMI 2.1

USB 3.2 Type C

Streaming Computer

Headset (Audio in)


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