The Hikvision DS-7764NI-M4(STD) is a robust 64-channel NVR that supports up to 4 hard drives. It's designed to handle high-resolution video feeds, with IP video input for up to 64 channels and a maximum resolution of 32 megapixels. This NVR is capable of managing a substantial incoming bandwidth of 400 Mbps, which is matched by its outgoing bandwidth, ensuring smooth transmission of high-definition video.

For display outputs, it offers two HDMI ports and one VGA port. The first HDMI port can output at an impressive 8K resolution at 30Hz, as well as various other resolutions including 4K at 60Hz and 30Hz, and full HD. The second HDMI port can also support up to 4K resolution. When the first HDMI output is set to 8K, the second is limited to 1080p. The VGA output supports resolutions up to full HD.

In terms of video output modes, the DS-7764NI-M4(STD) provides flexibility with HDMI1/VGA simultaneous output and independent HDMI1/HDMI2 output. It also includes a CVBS output channel with standard definition resolution.

Audio capabilities are not left behind, with one channel for audio output and another for two-way audio, both using RCA connectors. The NVR supports various audio compression formats, including G.711ulaw, G.711alaw, G.722, G.726, AAC, and MP2L2, catering to different audio recording needs.

On the decoding front, the NVR supports multiple formats like H.265+, H.265, H.264+, and H.264. It can handle a variety of recording resolutions from 32 MP to standard definition. Synchronous playback is available for up to 16 channels, and the device has a strong decoding capability, able to decode 2 channels at 32 MP at 30 frames per second, among other configurations.

For network connectivity, the DS-7764NI-M4(STD) can handle up to 128 remote connections and supports a wide range of network protocols, ensuring compatibility and integration with various network setups. It comes with two self-adaptive Ethernet interfaces for reliable network connection.

Storage is also well-provisioned with four SATA interfaces, each capable of supporting up to 14 TB HDDs, and an eSATA interface for additional external storage options.

This NVR model does not support RAID configurations, but it compensates with its ample storage capacity and robust network and decoding capabilities. It's a suitable choice for large-scale surveillance systems requiring high-resolution video recording and playback. For more detailed specifications and information, you can refer to the official Hikvision product page.

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