Guides
Internet Speed Needed for HD Streaming
Sustained throughput, not burst speed. What 720p and 1080p really need, and how concurrency changes it.
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| Concurrent 1080p streams | Raw requirement | Recommended line speed |
|---|---|---|
| 1 | 5–8 Mbps | 15 Mbps |
| 2 | 10–16 Mbps | 30 Mbps |
| 3 | 15–24 Mbps | 50 Mbps |
| 4 | 20–32 Mbps | 75 Mbps |
Why headroom matters more than the headline figure
Adaptive players keep a buffer of several seconds. When throughput dips, the buffer drains; the player then needs to receive faster than real time to refill it. Without spare capacity it never catches up and steps down a quality level instead.
Frequently asked questions
Worth knowing: Budget 1.5× the nominal bitrate per stream: adaptive players need headroom to refill their buffer after any dip, or they downshift.