The CP-UNR-4K2161-V2 is a 16-channel Network Video Recorder (NVR) from CP Plus that supports high-resolution surveillance recording up to 8MP (4K). Firmware Download & Update Guide
If you need a formal "paper" or spec sheet for this device, you can view or download the Official Product Data Sheet or the Detailed Specifications on Scribd. CP-UNR-4K2161-V2-16 Ch. H.265+ Network Video Recorder
For Intel CPUs: Intel provides microcode updates, and these can usually be found on their support website. You would search for your processor model and look for microcode updates.
This NVR is popular for its robust capabilities in medium-to-large surveillance setups: 4K Resolution Support