I'm curious also. Could you use a SFP in a ten gig port if you only need 4gb of throughput?
Sent from my iPhone On Feb 17, 2011, at 6:25 PM, "Sam Chesluk" <s...@networkhardware.com> wrote: > Jason - there are no SFP-10G parts based off of the original SFP; they > all are based on the SFP+ standard, so there will be no issues with the > optic not being able to work at the full 10Gbps it's rated for. > > Sam Chesluk > Network Hardware Resale > > > -----Original Message----- > From: Jason Lixfeld [mailto:ja...@lixfeld.ca] > Sent: Thursday, February 17, 2011 3:00 PM > To: nanog@nanog.org > Subject: SFP vs. SFP+ > > I was asked today what the difference between SFP and SFP+ is. I did > really know, so I looked it up and it seems that the SFP spec provides > capabilities for data rates up to 4.25Gb/s, whereas SFP+ supports up to > 10Gb/s. Naturally, this made me wonder whether or not an optic that > supported 10GbE always conformed to the SFP+ standard inherently, or if > there are cases where a 10GbE optic might only support the SFP standard, > thus having a 4.25Gb/s bottleneck. >
