Mellanox MCX312C-XCCT Connectx-3 Pro Network Adapter PCI Express 3.0 X8 10 Gigabit Ethernet

so what I have here is a $30 Canadian or 22 US dollar Mellanox Kinect x3 MC x3 41 it's a 10 gigabit sfp+ network card however if you actually look on mullennixes website I'll put it up here there is no MCX 341 that's not a part number that exists and also you'll see that the official Mellanox cards are usually a bare PCB with heat sinks and then the network interfaces I will mention these are also available in dual port convict's I didn't feel like spending the extra so I went for the single port now the question is since this part number doesn't exist on mullennixes website and since it's such an unusual form factor is this some sort of a knockoff card or something it is from China so why don't we see what's inside so they come in basically with a half-height PCI slot cover and then when you open it up they also have the full length basically PCI slot s and you know that comes with the