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Sku: CN312SW
Product type: Video Capture Card
Manufacturer: AVerMedia





M.2 2K SDI Dual-Channel Video Capture Card

  • Max. input resolution 2048 x 1080 60fps
  • Max. capturing/recording 1920 x 1080 60fps
  • Wide temperature and conformal coating design
    CN312SW: Wide temperature version
    CN312SC: Wide temperature with conformal coating version
  • The latest M.2 compact Gen2x4 interface
  • Video processing hardware:
    1. scaling hardware
    2. color space conversion
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AVerMedia AVerGrabber CN312S, the 2K SDI Dual-Channel M.2 Video Capture Card, is equipped by two SDI channels with the embedded audio. With its SDI video source input, it is able to support an astounding uncompressed real-time video capture resolution of up to 2K (2048 x 1080).

At a frame rate of 60 fps, CN312S can improve the quality of a wide range of recorded media for businesses, universities, broadcasting, and manufacturing facilities, which can eventually provide a more lifelike and smooth video playback experience.

Wide Temperature and Conformal Coating Design

AVerMedia delivers this advanced solution, which is capable of standing the extreme temperature environment without compromising the video functionality. CN312SW (Wide Temperature Version) can provide stable operation in the temperature range from -20°C to 70°C (-4°F to 158°F). Furthermore, CN312SC (Wide Temperature with Conformal Coating Version) thermally robust product is specifically designed to provide great reliability for the rugged and industrial applications to against moisture, dust, or chemicals.


The Latest M.2 Compact Form Factor

Today, the M.2 compact form factor has become the hot trend. The dimension of a PCI Express M.2 is extremely compact and designed perfectly to fit into small-footprint embedded systems for industrial applications. Conforming to the most popular standard of M.2 2280, CN312SW is the ideal solution for the education sector and industrial PCs, it features PCIe Gen2x4 interface with a theoretical bandwidth of 8 Gb/s.

Hardware Video Processing

CN312S has built-in AVerMedia Video Engine technology which implements useful video enhancing features to significantly reduce CPU efforts and software development. In other words, this can help our clients to achieve the better cost saving of the hardware platform and the development resource.


Versatile AVerMedia SDK Support

Industrial customers can develop vertical applications flexibly and efficiently by using AVerMedia's unique SDK designed with features such as device control, media capture, A/V processing and more.
Learn more about AVerMedia SDK


Host Interface

Gen2 x 4

audio Format

SDI embedded audio

Audio Sampling Rate


Connector Type


Input Interface

2-channel 2K SDI

Video Format

Driver support output:

4:2:0 8-bit : NV12, I420, YV12

4:2:2 8-bit : YUY2

4:4:4 8-bit: IYU2, BGR24, BGR32

SDK support output:

4:2:0 8-bit : YV12

4:2:2 8-bit : YUY2

4:4:4 8-bit: BGR24

Color Depth

8-bit (10-bit video input support)

Channel No.

2 channels

Max. Input Resolution


Max. Recording Resolution

1920 x 1080@60fps (2-channel)

Encoding Mode

Encoding Software

Multi-Card Support


Supported OS

Windows 7, 8.1, 10 (32/64-Bit)

Linux (based on V4L2, support x64)

Form Factor

M.2 (2280 Key M)

Dimension (W x W x H)

22 x 80 x 26.3 mm

Power Consumption

3.3 W

Operating Temperature

CN312SW: -20 ° C ~ 70 ° C

CN312SC: -20°C ~ 70°C (with 0.5m/s airflow)

Storage Temperature

-40 ° C ~ 85 ° C

Operating Humidity

5% - 95% Relative Humidity

Safety Certification


*All specifications are subject to change without prior notice.

* Linux Services

Normal Delivery | 3 to 5 working days

Urgent Delivery | 1-2 business days

* unless out of stock

We work hard to meet the announced delivery deadlines. However, we face a global shortage for some components and manufacturers.
If you have any questions or concerns, please contact us to ensure delivery time.
We will be able to advise on the availability of alternative hardware and provide recommendations on available components for faster shipping options.