Non classé
How to Build a Dual PC Streaming Setup in 2025 – Ultimate Performance Guide
Avr
Introduction
Streaming in 2025 has evolved into a polished, professional craft—and for creators seeking flawless quality and performance, a dual PC streaming setup is the gold standard. Whether you’re playing at ultra settings or pushing out high-fidelity streams at 1080p/60FPS, separating gaming and streaming duties across two machines ensures no compromises.
This guide shows you how to build a dual PC streaming setup, what gear you need, how to connect everything, and how to configure it for smooth, pro-level results.
Why Use a Dual PC Streaming Setup?
A dual PC setup separates the workload:
- 🖥️ Gaming PC handles your game at max settings
- 📺 Streaming PC encodes and streams video/audio to Twitch, YouTube, etc.
Benefits:
- No FPS drops or input lag while streaming
- Higher stream quality (more bitrate, better encoding)
- Dedicated resources for overlays, recording, multitasking
How It Works – The Basics
- Video output from your gaming PC (HDMI or DisplayPort) goes to a capture card inside or connected to the streaming PC.
- Audio can be routed using mixers, software (like Voicemeeter), or USB audio interfaces.
- The streaming PC runs OBS, manages overlays, chat, and uploads the stream.
Pros and Cons
✅ Pros
- Better performance
- Stream stability
- Multitask without system overload
❌ Cons
- More gear and cables
- Higher cost
- Setup and troubleshooting complexity
Minimum Specs
| Component | Gaming PC | Streaming PC |
|---|---|---|
| CPU | Ryzen 7 / i7 or better | Ryzen 5 / i5 10th Gen or better |
| GPU | RTX 3070 or better | GPU optional, helpful for NVENC |
| RAM | 16–32GB DDR4/DDR5 | 16GB DDR4 minimum |
| Storage | NVMe SSD | SSD for fast recording/writes |
| PSU | 650W+ | 500W+ |
Must-Have Gear
- ✅ Capture card (Elgato HD60 X, 4K60 Pro, or AVerMedia Live Gamer 4K)
- ✅ Audio mixer/interface (GoXLR, Scarlett 2i2)
- ✅ HDMI cable + USB cables
- ✅ Two monitors or a KVM switch
- ✅ Headset with mic or separate XLR mic
Setting Up the Capture Card
Step-by-Step:
- Connect your gaming PC’s HDMI output to the capture card input
- Connect capture card output to your monitor (pass-through)
- Plug capture card into streaming PC via USB or PCIe
- Add the capture card as a video source in OBS
🛠️ Use 1080p/60FPS settings unless you have a 4K card and enough bandwidth.
OBS Configuration on Streaming PC
- Add Capture Card Source
- Set base and output resolution (e.g. 1080p)
- Use NVENC if streaming PC has an NVIDIA GPU
- Adjust bitrate (6000 kbps for Twitch 1080p60)
Audio Setup – The Tricky Part
Goal: You hear game audio, your stream hears it, but no echo.
A – Hardware Mixer
- Route mic/game/chat through mixer
- Output to streaming PC via line-out
B – Voicemeeter Banana
- Install on gaming PC
- Create virtual outputs
- Send mix to capture card or over LAN
C – USB Audio Interface
- XLR mic connects to GoXLR or Scarlett
- USB sends clean audio to streaming PC
Dual Keyboard & Mouse?
Not needed. You can use:
- KVM switch – Hardware toggling
- Synergy/Barrier – Software to control both with one set
- Mouse Without Borders – Microsoft utility
Tips for Stream Quality
- Use VBR or CBR at 6000–8000 kbps
- Prefer NVENC over x264 if possible
- Stream at 1080p60, or 1440p30 for YouTube
- Match frame rate between capture card and OBS settings
Common Issues and Fixes
| Problem | Solution |
|---|---|
| Audio echo | Check monitoring settings, disable duplication |
| Video delay/desync | Add delay to mic or sync in OBS manually |
| No signal from capture | Check HDMI routing, try different cables |
| Stream lagging | Lower bitrate, check encoder overload |
Streaming With NDI – An Alternative
NDI lets you stream without a capture card by sending video over LAN.
Pros: Free, no hardware needed
Cons: More latency, depends on network stability
FAQ – Dual PC Streaming Setup
Do I need a GPU in the streaming PC?
It helps for encoding (NVENC), but not mandatory.
Can I stream and record in 4K?
Yes—with a strong streaming PC and a 4K capture card.
What if my capture card adds input lag?
Use pass-through to your monitor and preview on OBS only.
Conclusion – Build the Streaming Setup of Your Dreams
A dual PC streaming setup brings your streams to the next level. It frees up resources, offers pro-level quality, and gives you room to grow. Yes, it takes more time to configure, but the end result is worth it.
🎯 Essentials:
- Gaming PC with powerful GPU
- Streaming PC with good CPU + NVENC
- Quality capture card and audio routing
- OBS properly configured
Master it—and your viewers will see and hear the difference.
