H.264 SD/SDHC Card Rack Mount DesignVideo Server VS8401 VIVOTEK VS8401, the new milestone in video server security performing 4-CH high resolution with high frame rate in H.264, is able to convert analog video into digital video with the highest quality. The H.264 compression format drastically reduces the file sizes and conserves valuable bandwidth and storage space. The VS8401 supports simultaneous dual streams to be transmitted in H.264, MPEG-4 and MJPEG formats for versatile applications. The streams can also be individually configured with separated frame rates, resolution, and image quality so as to meet different platforms or bandwidth constraints. Features Up to 30 fps in D1 Resolution Real-time H.264, MPEG-4 and MJPEG compression (Triple Codec) 4-CH Video and Audio In Two-way Audio RS-485 Interface for PTZ Camera Control 4 Digital I/O for External Sensor and Alarm Built-in SD/SDHC Card Slot for On-board Storage DC 12V / AC 24V Compatible Power Input Professional Rack Mount Compatible Design Supports Gigabit Ethernet Data Transmission