I once had an OEM NVR model HNR30P8-8 with firmware version V3.0.8 Build 150209 as well. My unit had 8 POE ports and could support up to 8 cameras. I think your version is 16 channel (8 POE), so closer to a 7616NI-E2/8P. I purchased a 7616NI-E2 and compared the internals, they were identical...