AVerMedia CN312M 2K SDI/HDMI Dual-Channel M.2 Video Capture Card

AVerMedia CN312M 2K SDI/HDMI Dual-Channel M.2 Video Capture Card


  • Max. input resolution 2048 x 1080 60fps
  • Max. capturing/recording 1920 x 1080 60fps
  • Wide temperature and conformal coating design
  • CN312MN: Normal versionCN312MW: Wide temperature versionCN312MC: Wide temperature with conformal coating version
  • The latest M.2 compact Gen2x4 interface
  • Hardware video processing:1. hardware scaling2. color space conversion


AVerMedia AVerGrabber CN312M, the Dual-Channel M.2 Video Capture Card, is equipped by one HDMI and one SDI channels with the embedded audio. With its HDMI and SDI video source input, it is able to support an astounding uncompressed real-time video capture resolution of up to 2048 x 1080 60fps (SDI)/ 1920 x 1200 60fps (HDMI). At the frame rate of 60 fps, CN312M can improve the quality of a wide range of media recorded for businesses, universities, broadcasting, and manufacturing facilities, which can eventually provide a more lifelike and smooth video playback experience.

Ordering Info

CN312MN Normal version
CN312MW Wide Temperature version
CN312MC Wide Temperature with conformal coating 


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Host Interface Gen2 x 4
Audio Format HDMI/SDI embedded audio
Audio Sampling Rate 32/44.1/48KHz
Connector Type 1CH HDMI Type A , 1CH BNC for SDI
Input Interface HDMI 1.4a, DVI-D 1.0 + 2K SDI
Video Format Driver support output:4:2:0 8-bit : NV12, I420, YV124:2:2 8-bit : YUY2, YUYV, UYVY4:4:4 8-bit: IYU2, BGR24, BGR32SDK support output:4:2:0 8-bit : YV124:2:2 8-bit : YUY24:4:4 8-bit: BGR24
Color Depth 8-bit (support 10-bit video input)
Channel No. 2 channels
Max. Input Resolution 2048 x 1080@60fps (SDI), 1920 x 1200@60fps (HDMI)
Max. Recording Resolution 1920 x 1080@60fps
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 (2280 Key M)
Dimension (W x L x H) CN312MN: 22 x 80 x 6.8 mmCN312MW/CM312MC: 22 x 80 x 26.3 mm
Power Consumption 3.3 W
Operating Temperature CN312MN: 0°C ~ 40°CCN312MW/CM312MC:  -20°C ~ 70°C (with 0.5m/s airflow)
Storage Temperature 0% ~ 95%  relative humidity 
Operating Humidity -40°C ~ 85°C
Safety Certification FCC / CE
Package includes CN312M x 1, BNC Cable x 1, HDMI Micro Coaxial Cable x 1