I purchased this unit in order to run a stand-alone pfSense firewall for my home network. It's silent operation--no fans needed--makes it the perfect compact host.I did have a problem with pfSense crashing initially, but after reviewing the troubleshooting information on the Protectli website, it was suggested to run a RAM test. After doing so I discovered there was a problem with the supplied RAM. I contacted Protectli support via email and the RAM was replaced within two days.Protectli Support was highly responsive and makes this product easy to recommend.