They're called SFP+ Direct Attach cables. I have used them a fair bit, but they do have a high failure rate. :(
On 20 Nov 2013, at 18:38, Simon Green <si...@wirehive.net> wrote: > Hi list. > > Is there any reason why one shouldn't use these? > > https://www.google.co.uk/search?q=EX-SFP-10GE-DAC&safe=off&espv=210&es_sm=93&tbm=isch&tbo=u&source=univ&sa=X&ei=NvOMUsfbHcaN7QaLzYDoCg&ved=0CDgQsAQ&biw=1920&bih=911 > > They're cheap... > > Simon > -- Will Hargrave +44 114 303 4444