Host Interface PCIe Gen2 x 2
Audio Format HDMI embedded audio
Audio Sampling Rate 32/44.1/48KHz
Connector Type HDMI Type A
Input Interface HDMI 1.4a, DVI-D 1.0
Video Format YUV444: IYU2, AYUV, V410, Y410
YUV422: YUY2, YUYV, UYVY, V210, Y210
YUV420: I420, NV12, YV12
RGB: RGB565, RGB555, RGB24, RGB32, ARGB
Color Depth 8-bit/10-bit
Channel No. 1Ch
Max. Input Resolution 4096 x 2160 @ 30fps
Max. Recording Resolution 4096 x 2160 @ 30fps
Input Resolution 640x480p @ 59.94/60/72/75/85
720x480p @ 59.94/60
720x576p @ 50/100
800x600p @ 56/60/72/75/85/120
1024x768p @ 60/70/75/85/120
1152x864p @ 75
1280x720p @ 50/59.94/60/100/120
1280x768p @ 60/75/85/120
1280x800p @ 60/75/85/120
1280x960p @ 60/85
1280x1024p @ 60/75/85
1360x768p @ 60/120
1366x768p @ 60
1400x1050p @ 60/75/85
1440x900p @ 60/75/85
1600x1200p @ 60
1680x720p @ 24/25/30/50/60
1680x1050p @ 60
1920x1080i @ 50/59.94/60
1920x1080p @ 23.98/24/25/29.97/30/50/59.94/60/120
1920x1200p @ 60/75/85
2048x1152p @ 60
1792x1344p @ 60/75
1856x1392p @ 60/75
1920x1440p @ 60/75
2560x1080 @ 24/25/30/50/60
2560x1440 @ 60
2560x1600 @ 60RB
3840x2160 @ 24/25/30
4096x2160 @ 24/25/30
Output Resolution 640x480 @ 59.94/60
720x480 @ 59.94/60
720x576 @ 50
1280x720 @ 50/59.94/60
1920x1080@ 23.98/24/25/29.97/30/50/59.94/60

Bypass Mode
1920x1200p @ 60/75/85
2048x1152p @ 60
1792x1344p @ 60/75
1856x1392p @ 60/75
1920x1440p @ 60/75
2560x1080 @ 24/25/30/50/60
2560x1440 @ 60
2560x1600 @ 60RB
3840x2160 @ 24/25/30
4096x2160 @ 24/25/30
Encoding Mode Software encoding
Multi-Card Support Yes
Supported OS Windows 7/ 8.1/ 10 (32/ 64 bit)*
Linux (based on V4L2, support x86, x64)
Form Factor M.2
Dimension (L x W) 22 x 80 mm
Power Consumption 3.8 W
Operating Temperature 0°C ~ 40°C
Operating Humidity 0% ~ 95% relative humidity 
Storage Temperature -30°C ~ 80°C
Safety Certification FCC / CE 
Ordering Information
CN311-H 4K 30FPS HDMI M.2 Capture Card
I/O Board, HDMI Micro Coaxial Cable
SDK kits SDK Pro
SDK Premium add-on kits

* Linux Services
‧For availability on driver versions, please contact us
‧Driver customization service by request


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