* Max 256channel IP cameras connection 
* Max 512Mbps incoming bandwidth 
* Up to 128ch@1080P, 256ch@720Prealtime recording 
* 2 HDMI / 1 HDMI +1 VGA (Optional: 6 HDMI sync output/1 VGA+5 HDMI sync output) 
* Support 24 hot-swap HDDs 
* Support RAID0/1/5 
* Support N+Mhot standby 
* Support iSCSI &Mini SAS to expand storage space 
* Redundant power supply module adopted (DH-NVR724R-256 &DH-NVR724DR-256) 
* Front LCD display (DH-NVR724D-256&DH-NVR724DR-256)
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