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Rectangular black metal box with eight PoE ports on the rear

GW Security Inc.

GW Security Inc. GW5508NPG 8 Channel 4K NVR 16TB

SKU CH-ZD27-2YDTG

Eight-channel 4K NVR with built-in PoE ports, H.265/H.264 compression, and 16 TB pre-installed storage

  • Supported ProtocolsRTSP/FTP/PPPOE/DHCP/DDNS/NTP/UPnP/ONVIF (UPnP function: NVR
  • Network Interface8x Built-in PoE Ports (No additional PoE switch needed)
  • Video Input8x RJ45
  • Video Output1 x VGA, 1 x HDMI
  • Audio Inputsame ports as the video inputs (requires IP camera to have b
  • Frame Rate30fps/channel real time
  • Records 8 channels at 4K 30fps with H.265/H.264 compression
  • 16TB pre-installed storage across 2 SATA bays up to 8TB each
  • 8 built-in PoE ports power cameras without extra switch
  • Hi3535 processor handles 160Mbps recording bandwidth smoothly
  • USB 3.0 port enables fast video backup to external drive

Eight-channel 4K recorder

The GW5508NPG records eight IP cameras at up to 8.0 megapixels each using H.265 or H.264 compression. Built-in PoE ports power every camera directly, so no separate switch is required. An embedded Linux system runs on a Hi3535 processor and stores footage on two SATA drive bays. The unit ships with 16 terabytes already installed.

160 Mbps recording bandwidth

The recorder accepts a total incoming stream of 160 megabits per second across all eight channels. This ceiling determines how many 4K cameras can record simultaneously at full frame rate. If the combined bitrate of the connected cameras exceeds this limit, some channels must drop resolution or frame rate to stay within the budget.

Two-bay hot-swap storage

Two tool-less SATA trays hold up to 8 terabytes each, giving the 16 terabyte maximum. Drives can be swapped while the NVR is running, so capacity can grow without downtime. HDMI delivers 4K live view, VGA tops out at 1080p, and a USB 3.0 port provides fast clip export. A single 10/100/1000 uplink connects the recorder to the wider network.

Highlights

  • Records 8 channels at 4K 30fps with H.265/H.264 compression
  • 16TB pre-installed storage across 2 SATA bays up to 8TB each
  • 8 built-in PoE ports power cameras without extra switch
  • Hi3535 processor handles 160Mbps recording bandwidth smoothly
  • USB 3.0 port enables fast video backup to external drive

Specifications

BrandGW
SeriesSmart NVR Series
ModelGW5508NPG
Supported ProtocolsRTSP/FTP/PPPOE/DHCP/DDNS/NTP/UPnP/ONVIF (UPnP function: NVR will auto detects and assigns IP cameras)
Network Interface8x Built-in PoE Ports (No additional PoE switch needed)
Video Input8x RJ45
Video Output1 x VGA, 1 x HDMI
Audio Inputsame ports as the video inputs (requires IP camera to have built-in mic)
Frame Rate30fps/channel real time
Compression FormatH.265 / H.264
Recording TypeMotion Detective / Continues / Time Schedule / Alarm (Each individual camera can be setup with its own recording mode)
Video Setting3840 x 2160
ProcessorHi3535 Processor
Storage Installed16TB capacity (supports 2x "easy pull-n-fit" HDD slot tray, each slot support up to 8TB)
Operating SystemEmbedded Linux (operating system is built into the motherboard, It is totally ok to change hard drive, which does not affect the system)
Power SupplyPower adapter (Included)
Features1x USB 3.0 port with faster speed backup video files
Dimensions13.8" x 8.5" x 3"
Weight8 (lb.)

Questions about this item

How much recording bandwidth does the 160Mbps figure actually deliver when eight 4K cameras are streaming simultaneously?

The 160Mbps total inbound bandwidth is shared across all eight PoE ports, so eight 4K streams at typical H.265 bit-rates fit comfortably with headroom for motion spikes.

What does the built-in PoE interface cap at for each camera connection?

Each of the eight RJ45 ports negotiates 10/100Mbps and supplies PoE power, so the per-camera network link is capped at 100Mbps.

What physical drive bays and cabling does the 16TB installation require?

The unit provides two SATA bays with tool-less pull-out trays; each bay accepts one 3.5in drive up to 8TB, giving the 16TB total.

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