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For a prerecorded video sent to YouTube Live through an encoder at 4K/2160p and 30 fps, YouTube recommends 42 Mbps for H.264 or 30 Mbps for H.265/HEVC or AV1. Those are live-ingest recommendations; a regular 4K video upload uses a different bitrate recommendation. The right setting depends on the codec your live encoder sends to YouTube, not just the codec of the source file.
Recommended live bitrate by codec
YouTube Help’s live encoder settings, accessed in 2026, list these targets for 4K/2160p at 30 fps. YouTube does not state a publication year for the page.
| Live-ingest video codec | Recommended bitrate | Listed minimum |
|---|---|---|
| H.264 | 42 Mbps | 11 Mbps |
| H.265/HEVC | 30 Mbps | 8 Mbps |
| AV1 | 30 Mbps | 8 Mbps |
Use the recommendation for the codec actually sent over the live ingest connection. The lower HEVC/AV1 figure is not a guarantee of identical picture quality to H.264, and YouTube’s table does not establish that one codec is universally better. H.264 is the straightforward choice when using a broadly supported H.264 live workflow; choose another codec only if your encoder and ingest route support it. See YouTube’s live encoder settings.
Live streaming a prerecorded file is different from uploading it
If you send a finished video file through a live encoder, use the live-ingest figures above. For a standard prerecorded 4K upload at 24, 25, or 30 fps, YouTube instead recommends 35–45 Mbps. That upload recommendation is not a substitute for the codec-specific live settings. See YouTube’s recommended upload encoding settings.
#1 Best Overall
- Read Before You Buy — No Video Output: These adapters support charging and USB 2.0 data transfer, but cannot transmit video signals. Except for standard USB webcams (which use USB data only), they are not compatible with HDMI/DisplayPort cables, video-capable USB-C hubs, or docking stations with video output.
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Encoder settings that matter
- Protocol: YouTube lists RTMP and RTMPS; it recommends RTMPS, the secure extension to RTMP.
- Rate control: set bitrate encoding to CBR.
- Keyframes: use a 2-second interval and do not exceed 4 seconds.
- Frame rate: YouTube’s listed guidance supports up to 60 fps. This recommendation is for 30 fps.
- Color and bit depth: for SDR, YouTube lists Rec. 709 and 8-bit. For HDR, its settings identify H.265/HEVC and 10-bit; AV1 is not supported for HDR in the described settings.
The file’s original encoding does not, by itself, tell you which live bitrate table applies. Check the codec configured for output from the encoder to YouTube. Consult YouTube’s live encoder settings for the full current guidance.
Plan enough upload bandwidth
The stream uses your available outbound upload capacity. YouTube says the total stream bitrate cannot exceed available upload bandwidth and recommends leaving 20% headroom above the total stream bitrate. For a 42 Mbps video setting, adding 20% gives about 50.4 Mbps before audio, other network traffic, or capacity fluctuations. This is a planning calculation from YouTube’s margin, not a separate published speed threshold.
Rank #2
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Use a reliable upload-speed test and account for other people and devices sharing the connection. Advertised download speed does not establish that you have sufficient upload capacity. YouTube’s streaming tips explain the bandwidth margin and network considerations.
Test the stream before the event
- Configure the live encoder with the intended codec, 4K/2160p resolution, 30 fps, CBR, and a 2-second keyframe interval.
- Check that stable upload capacity can carry the total video and audio bitrate with the recommended headroom.
- Run a test before going live using audio and movement similar to the real stream. A static test image may not reveal issues that appear with motion or sound.
- Watch YouTube’s stream health during the event and respond to warnings rather than assuming a successful connection alone means the stream is stable. YouTube recommends testing in advance and monitoring stream health.
Latency at 4K
YouTube’s documented settings do not offer the low-latency option at 4K/2160p. As YouTube puts it, “For 4K / 2160, the option to improve for low latency is not available.” Under these settings, 4K streams are optimized for quality and use normal latency; do not plan on the low-latency mode available at other configurations.
Rank #3
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Copyright and prerecorded content
Having a finished file does not grant permission to broadcast its music, footage, or other material. Before sending a prerecorded video through a live encoder, confirm you have the rights needed for the content and that it complies with YouTube’s rules. A bitrate setting cannot prevent a copyright claim or resolve a reused-content issue.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Or let it run in the cloud
If your goal is to keep prerecorded videos looping on a YouTube channel, StreamNeo can do that without leaving a computer or home connection running. Upload a recording or build a playlist, add your YouTube stream key, and go live. StreamNeo loops the uploaded video from the cloud; it does not stream from a camera.
Rank #4
- Dual Converters, Infinite Potential：Includes 2× USB C male to USB A female adapters and 2× USB A male to USB C female adapters. Perfect for a wide range of uses—tablets with Bluetooth keyboards, expand USB ports on macbook, and more. Two different converters for all your daily needs
- Next-Level 10Gbps & 3A Charging: No more slow 480Mbps, this usb to usb c adapter has a transfer speed of up to 10Gbps, allowing you to do more transferring in less time. This usb adapter fits both USB A and USB C charger, supporting up to 3A fast charging
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- Nothing has to stay on at home.
- Videos stream as uploaded, up to 4K 60fps, at one flat price per slot, with no re-encode or quality tiers.
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See StreamNeo or view plan details. Start your free first day.
Quick Recap
Best Value
- 5-in-1 Connectivity: Equipped with a 4K HDMI port, a 5 Gbps USB-C data port, two 5 Gbps USB-A ports, and a USB C 100W PD-IN port. Note: The USB C 100W PD-IN port supports only charging and does not support data transfer devices such as headphones or speakers.
- Powerful Pass-Through Charging: Supports up to 85W pass-through charging so you can power up your laptop while you use the hub. Note: Pass-through charging requires a charger (not included). Note: To achieve full power for iPad, we recommend using a 45W wall charger.
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- What You Get: Anker 332 USB-C Hub (5-in-1), welcome guide, our worry-free 18-month warranty, and friendly customer service.
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
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