Hello, Tilde, I am already give up to use ameri-rack to retrieve a flexible 2*8 risers, I am also have the requirements to getting 4*10Gb SFP+ and also 4*1Gb POE(48v) ports.
And Now I am not using flexible riser but using a fixed 2*8 riser.
I'd like to post a URL for you to buy, but comes from...