

Record and share it in high quality,
no lag, no hassle.

Go live in Full HD without interrupting your 4K gameplay.

Connect your camera and upgrade your live setup.
Whether you're recording your game highlights, streaming gameplay across platforms, or going live with a camera, StreamLine MINI+ (GC311G2) makes it easy. This compact HDMI capture card supports sharp 1080p60 video capture while letting you play in smooth 4K60 passthrough. With high-quality visuals, simple setup, and a user-friendly software, even beginner creators can create great content without the hassle.
Low-quality visuals make great content fall flat. With StreamLine MINI+, you get rich colors, crisp detail, and smooth, reliable performance whether you're capturing gameplay or camera footage. It’s the simple way to boost your stream quality without a steep learning curve or price tag.




Just plug in, sign in, and hit the “Stream” button. StreamLine MINI+ with Streaming Center software makes it easy to stream your content to the world.
No bulky manuals. No tech jargon. No hassle.

Reach your audience wherever they are: YouTube, Twitch, Facebook, and more. Once logged into your account through Streaming Center, you can easily select multiple platforms and stream to all of them with a single click.

Game at full resolution without compromise. The pass-through function of StreamLine MINI+ lets you enjoy ultra-smooth 4K60 HDR gameplay while capturing in 1080p60—perfect for sharing without sacrificing your experience.
When every input counts, latency shouldn't stand in the way. Feel the game exactly as you play it—even through the preview.


StreamLine MINI+ connects to a wide range of HDMI sources, including PlayStation 5, Xbox Series X, Switch, and cameras—making it ideal for both gamers and creators. With USB-C output, it works seamlessly with PCs, laptops, Mac, and iPad. It’s also compatible with popular streaming software and platforms, so you can get started with ease.


The StreamLine MINI+ features an outer shell made with 60% Post-Consumer Recycled (PCR) plastic, combining innovative materials with reliable performance and reflecting a commitment to mindful resource use.


*PS5 Pro, PS5, PS4 Pro, Xbox Series X/S, Xbox One X, switch 2 and more.
| Specifications | StreamLine MINI+ GC311G2
|
| System Requirements | Windows® 10 / 11 or later
macOS 14 / 15 or later
iPadOS 17 or later (Type-C port) |
| Supported AVerMedia Software |
|
| What's in the box |
|
Date : 2026-03-05 00:00:00
Version: Diagnosis Tool v3.0.14.2
Purpose: Compatibility Check
OS : Win10 x64, Win11
Description:
1. Added a search bar for quickly finding products by name or model number.
2. Updated the supported product list.
3. Improved the interface and analysis messages for a smoother user experience.
Date : 2026-02-03 00:00:00
Version:AVerMedia Streaming Center (Win) v1.7.4.1
Purpose: Streaming & Recording
OS:Win10 x64, Win 11
Description:
1. Kick CDN Support: Integrated support for Kick streaming.
2. Audio Monitoring: Enabled by default for all capture devices.
3. AV1 & NVIDIA Super Resolution: Now supported for recording and streaming.
Supported Models: GC553G2, GC575, GC573, GC553Pro, GC551G2.
4. New Aspect Ratios: Added support for 21:9 ultra-wide recording and portrait (9:16) streaming.
5. HEVC Encoder Support:
SDR → YouTube
HDR → YouTube / RTMP
6. Bug Fixes:
Resolved crashes during Alt+Tab switching and Snapshot usage.
Fixed blurry visuals when capturing Discord.
7. Optimized startup to prevent occasional black screens and audio anomalies.
See the new features in action:
Date : 2025-12-22 00:00:00
Version: Assist Central Pro v4.0.80
Purpose: Configuration & Update
OS : macOS 15, macOS 26
Description:
1. Added support for German, Spanish, Russian, French, Korean, and Thai interface languages.
2. Fixed an issue where some devices weren’t being detected or were showing up incorrectly.
3. Fixed an issue on macOS where GC313Pro couldn’t retrieve firmware version information correctly.
Date : 2025-12-22 00:00:00
Version: Assist Central Pro v4.0.80
Purpose: Configuration & Update
OS : Win10 x64,Win 11
Description:
1. Added support for German, Spanish, Russian, French, Korean, and Thai interface languages.
2. Added PCIe information display to the GC573 settings page.
3. Fixed an issue where some devices weren’t being detected or were showing up incorrectly.
4. Fixed a rare issue where GC553G2 and GC575 lights couldn’t be controlled through Assist Central Pro on certain PCs.
Date : 2025-08-14 00:00:00
Version:AVerMedia Streaming Center (Win) v1.6.65.1
Purpose: Streaming & Recording
OS:Win10 x64, Win 11
Description:
New Features
1.Added support for zoom, screenshot, and full-screen preview for more flexible operation.
2.Added hotkey function to start streaming or quickly perform common actions with hotkey.
3.Added stream quality display and detailed streaming platform settings, including privacy options, for more precise control over streaming status.
4.Added HDR brightness adjustment for more refined image colors.
5.Added VSync toggle for a smoother viewing experience.
UI and Stability Improvements
Optimized UI interface, and improved audio monitoring function and overall stability.
See the new features in action:
Date : 2025-07-22 00:00:00
Version: Assist Central Pro v4.0.73
Purpose: Configuration & Update
OS : macOS 14, macOS 15
Description:
1. Support for EDID Merge, Copy, and Internal mode changes has been added for the following models:
GC515, GC553G2, GC553Pro, GC575, GC571, GC573, GC570D
Support for EDID Merge and Internal mode changes has been added for GC551G2 (requires firmware ver. 1.2.6.1)
*Note: For more information on EDID modes, refer to this FAQ
2. Fixed issue: When Nintendo Switch 2 was set to 1440p60 and when GC551G2 passthrough was connected to certain monitors, Assist Central Pro displayed incorrect input resolution.
Date : 2025-07-22 00:00:00
Version: Assist Central Pro v4.0.73
Purpose: Configuration & Update
OS : Win10 x64,Win 11
Description:
1. Support for EDID Merge, Copy, and Internal mode changes has been added for the following models:
GC515, GC553G2, GC553Pro, GC575, GC571, GC573, GC570D
Support for EDID Merge and Internal mode changes has been added for GC551G2 (requires firmware ver. 1.2.6.1)
*Note: For more information on EDID modes, refer to this FAQ
2. Fixed issue: When Nitendo Switch 2 was set to 1440p60 and when GC551G2 passthrough was connected to certain monitors, Assist Central Pro displayed incorrect input resolution.