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Repair Windows errors before they cause bigger problemsFix Now →Scan for outdated or missing drivers - takes under a minuteDriver Scan →Clear out junk files and repair common Windows errorsFree Scan →To stream 4K/2160p at 60 fps from Ubuntu, use OBS Studio with a supported NVIDIA GPU and driver, then configure NVENC, a YouTube-compatible codec, CBR, a two-second keyframe interval, and 3840×2160 at 60 fps. YouTube’s current ingest recommendation is 50 Mbps for H.264 or 35 Mbps for AV1/H.265. Confirm your installed GPU, driver, OBS build, and codec work together before relying on the setup.
Before you configure OBS: check your GPU, driver, and OBS build
NVENC availability depends on the NVIDIA GPU, its driver, the installed OBS version, and the codec you plan to use. OBS documents NVENC support on Linux and gives GeForce 750 Ti, Maxwell 900-series, or newer as general hardware guidance; that does not guarantee every codec or 4K60 workload on every card. Check the capabilities of your exact GPU and verify that OBS actually offers the encoder.
Version details matter. OBS 31.0.4 release notes say NVIDIA Kepler 600/700-series GPUs are no longer supported for NVENC, and that Linux users may need NVIDIA driver 550.54.14 or newer for that release. This is specific to OBS 31.0.4, not a universal minimum for every OBS version. Check the release notes for your installed build and the codec capabilities of your hardware. OBS system requirements · OBS 31.0.4 release notes
Install OBS and the NVIDIA driver through supported routes
OBS documents an official PPA for Ubuntu 24.04 and newer, and also offers Flatpak. Use the current OBS download instructions for your Ubuntu release rather than applying commands intended for another release. Install NVIDIA drivers using Ubuntu’s supported driver guidance. Restart if the installation requires it, then open OBS and confirm an NVIDIA NVENC encoder is available.
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Choose a codec and YouTube’s 4K60 settings
YouTube supports RTMP/RTMPS ingest with H.264, H.265 (HEVC), or AV1 video, up to 60 fps. For 4K/2160p at 60 fps, its current live-encoder guidance recommends the following ingest bitrates; these are platform recommendations, not guarantees of viewer-side image quality or of a stable connection. The figures below are from YouTube’s live encoder settings page inspected on October 3, 2026. YouTube: Choose live encoder settings, bitrates, and resolutions
| Ingest codec | YouTube’s recommended bitrate for 4K/2160p60 | Minimum listed for 4K/2160p60 | Practical note |
|---|---|---|---|
| H.264 | 50 Mbps | 14 Mbps | Use if your GPU and OBS build support it reliably. |
| H.265 (HEVC) | 35 Mbps | 10 Mbps | YouTube recommends H.265 for HDR. |
| AV1 | 35 Mbps | 10 Mbps | YouTube says AV1 is not supported for HDR. |
Choose based on actual GPU/driver/OBS support as well as the stream’s needs. The lower minimums are floors, not the recommended targets. For SDR, use Rec. 709; do not enable HDR unless your capture pipeline and ingest codec are deliberately configured for it. YouTube’s guidance also specifies progressive scan, square pixels, two B-frames, one reference frame, and CABAC. For audio, it lists AAC or MP3, with 128 Kbps for stereo; 5.1 audio over RTMP/RTMPS is supported only with AAC, for which YouTube lists 384 Kbps.
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If your upload connection cannot sustain the 4K60 target
Lower the output resolution or frame rate instead of treating a nominal 4K60 configuration as proof the connection can deliver it. YouTube’s recommended rates for 60 fps are 34 Mbps H.264 or 24 Mbps AV1/H.265 at 1440p, and 17 Mbps H.264 or 12 Mbps AV1/H.265 at 1080p. These are also ingest recommendations, not a promise of stable performance on a particular connection.
Configure OBS for 3840×2160 at 60 fps
- Set the video output size. In OBS, open Settings → Video. Set the base (canvas) resolution and output (scaled) resolution to 3840×2160, and set the common FPS value to 60. If your capture source is a different size, verify the scaling produces the intended output.
- Select NVIDIA encoding. Open Settings → Output, use Advanced output mode if needed to expose encoder options, then select the available NVIDIA NVENC encoder for streaming. Choose H.264, H.265, or AV1 only if the installed GPU, driver, and OBS build offer it and YouTube supports the selected ingest mode.
- Set rate control and bitrate. Set rate control to CBR. Enter the YouTube recommendation matching your codec: 50,000 Kbps for H.264, or 35,000 Kbps for H.265/AV1 at 4K60. The values are equivalent to 50 Mbps and 35 Mbps respectively.
- Set keyframes. Set the keyframe interval to 2 seconds. YouTube recommends two seconds and says the interval must not exceed four seconds.
- Check the rest of the output. Use progressive SDR with Rec. 709 unless you have configured HDR intentionally. Keep the audio format and bitrate appropriate to your stereo or 5.1 stream. OBS controls and labels can vary by version, so use the options present in your installed build and do not assume an older preset recommendation overrides YouTube’s current ingest guidance.
OBS’s NVENC guide also recommends CBR and a two-second keyframe interval; its other preset and tuning advice is older and may not match current controls. OBS NVENC guide
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Connect OBS to your YouTube broadcast securely
- In YouTube Live Control Room, create or select the broadcast and open its stream settings.
- Copy the current stream URL and stream key shown for that broadcast. YouTube recommends RTMPS for encrypted transfer to its servers.
- In OBS, open Settings → Stream, choose the appropriate service or custom server option, and enter the current server/stream URL and stream key in the corresponding fields. Avoid exposing the key in screenshots or recordings; anyone with access to it may be able to send video to your channel.
- Start a test stream and confirm that YouTube receives it at the intended resolution and frame rate before scheduling or relying on the broadcast.
Follow the current Live Control Room details rather than reusing an old key or assuming the server URL is unchanged. YouTube’s instructions for managing stream settings are at YouTube Help: Create a live stream with an encoder.
Test stream health before the event
YouTube explicitly advises: “Make sure to test before you start your live stream.” Run a speed test, then test with movement and audio similar to the actual broadcast. Watch OBS for dropped frames or encoder overload and YouTube Live Control Room for stream-health messages or ingest warnings. A settings checklist cannot establish that a particular network is stable; measure and test the connection you will use.
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YouTube says 4K streams use normal latency; its low-latency option is unavailable for 4K. YouTube transcodes the live input into multiple output formats for viewers, so the incoming 4K60 settings do not mean every viewer receives 4K60.
Troubleshoot common 4K60 failures
- No NVENC option in OBS: Check that the NVIDIA driver is loaded, that OBS is using the expected installation, and that the specific GPU and OBS version still support NVENC. Review version-specific release notes; OBS 31.0.4, for example, dropped Kepler 600/700-series NVENC support.
- AV1 or H.265 is missing: The codec may not be supported by the GPU/driver/OBS combination. Select a codec that is actually available and supported by YouTube, or reduce resolution/frame rate if the compatible option cannot meet the workload.
- YouTube reports a bitrate or keyframe warning: Confirm CBR, the correct codec-specific recommended bitrate, and a two-second keyframe interval that does not exceed four seconds.
- Dropped frames or unstable ingest: Test upload capacity and the real program’s movement/audio, then lower the resolution or frame rate if the connection cannot sustain the selected rate. YouTube’s recommendations are not a guarantee of stability.
- Encoder overload or choppy output: Confirm the selected NVENC encoder and GPU support the chosen codec and workload. Test representative scenes; if the system cannot maintain 4K60, reduce output resolution or frame rate.
- Stream key or connection rejected: Recheck the current Live Control Room server URL and key, ensure they are entered in the corresponding OBS fields, and keep the key private.
- HDR looks wrong or is rejected: For an SDR stream, use Rec. 709 and do not introduce HDR settings. YouTube recommends H.265 for HDR and says AV1 is not supported for HDR.
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Frequently Asked Questions
Can 4K YouTube Live use low latency?
No. YouTube says 4K streams use normal latency, and its low-latency option is unavailable for 4K.
Does a 4K60 OBS setting mean every viewer sees 4K60?
No. YouTube transcodes live input into multiple output formats, and a viewer’s delivered format can differ from the ingest settings.
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