VideoRecording	720p (up to 24 channels), 1080p (up to 12 channels)
Total Recording Rate	48 Mbit/s
Recording Modes	Continuous mode, record by schedule, event triggered or manual
Video/Audio Compression	H.264 baseline, main or high profile / G.711 (u-Law and a-Law)
Live View	Up to 16 channels of VGA, 4 channels of 720p, or 2 channels of 1080p via HDMI or VGA output
Total Storage	Up to 16TB internally with encrytion; additional storage available vie external eSATA
RAID	RAID 0 or RAID 1
Outputs	1x HDMI, 1x VGA, 1x Line(Chinch), Alarm,
Inputs	1x Line(Chinch), Alarm, 1x IR Remote Control, optional USB mouse and keyboard
Network Interface	1x 10/100/1000MBit/s auto-sensing RJ-45 port
IP Cameras Supported	Grandstream GXV36xx cameras, GXV35xx encoders/decoders, & 3rd party ONVIF compliant cameras
Dimensions	440mm (W) x 343,5mm (L) x 44mm (H)
Weight	Including packaging: 4,05 kg

• Up to 24 channels (RAID 0 and 7,200rpm HDD) or 16 channels* (RAID 1 or 5,400rpm HDD) of 720p HD video/audio real-time recording (see product FAQs for details)

• Automatic discovery for IP cameras on the local network

• Fully customizable recording rules: time based, event based, manual or automatic

• Patent-pending storage system design that is resilient against power interruptions

• Grandstream’s innovative Direct I/O technology allows concurrent access to live view, searching and playback, PTZ and much more

• 1 HDMI and 1 VGA output for full HD local playback, easy-to-access USB, eSATA, alarm in and alarm out ports for future 1 RJ45 10M/100M/1000M network interface Up to 4 SATA 3.5a�? internal hard drives with maximum 16TB storage and RAID 0 or RAID 1 configurations Automatic recording resume after power failure and automatic storage recycling Complete security features including role based access control, event/system logs and hard drive content encryption expansion and external integration

• 1 RJ45 10M/100M/1000M network interface

• Up to 4 SATA 3.5a�? internal hard drives with maximum 16TB storage and RAID 0 or RAID 1 configurations

• Automatic recording resume after power failure and automatic storage recycling

• Complete security features including role based access control, event/system logs and hard drive content encryption

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The GVR3550 is a powerful Network Video Recorder (NVR) that offers small to medium businesses (SMBs) and residential users a reliable and easy-to-manage solution for video surveillance recording and monitoring. It provides video recording, indexing, searching and video storage management for up to 24 IP video cameras to allow users to record and monitor their IP video surveillance network using one device. The GVR3550 supports all Grandstream IP Video surveillance cameras and IP Video Encoders/Decoders in addition to all ONVIF compliant IP Cameras. Users can view the live feed of up to 16 cameras simultaneously by connecting the GVR3550 to a TV or computer monitor or through remote access, and can save up to 16TB of video files on the device by connecting up to 4 hard drives.