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SFP vs. SFP+

Subject: SFP vs. SFP+
From: jason at lixfeld.ca (Jason Lixfeld)
Date: Thu, 17 Feb 2011 18:00:21 -0500

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.

Follow-Ups:
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  - From: Sam at networkhardware.com (Sam Chesluk)

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