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Sorry, to answer your question, yes, there is a difference between the X2 and XENPAK transceivers. &nbsp;Are you sure your module is a WS-6708-10GE? or is it a WS-6708-10G-3C? &nbsp;Do a &quot;show module&quot; to confirm. &nbsp;The WS-6708-10GE is XENPAK and the 6708-10G-3C's are X2. &nbsp;You need to purchase an X2 or XENPAK transceiver based on which module you have.
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Sorry, to answer your question, yes, there is a difference between the X2 and XENPAK transceivers.  Are you sure your module is a WS-6708-10GE? or is it a WS-6708-10G-3C?  Do a "show module" to confirm.  The WS-6708-10GE is XENPAK and the 6708-10G-3C's are X2.  You need to purchase an X2 or XENPAK transceiver based on which module you have.

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Typo, should have been.<br />
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The WS-6704-10GE is XENPAK and the 6708-10G-3C's are X2. &nbsp;You need to purchase an X2 or XENPAK transceiver based on which module you have.
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Typo, should have been.

The WS-6704-10GE is XENPAK and the 6708-10G-3C's are X2.  You need to purchase an X2 or XENPAK transceiver based on which module you have.

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Hi experts,<br />
<br />
I was just wondering what's the differene between the X2-10G tranceiver and the XENPAK 10G tranceiver? <br />
Physically, the Xenpak looks longer than the X2. We have a WS-X6708-10GE blade and it looks like it can only fit the X2 Tranceivers. <br />
Does Cisco make linecards that are specific to X2 and some to XENPAK?
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Hi experts,

I was just wondering what's the differene between the X2-10G tranceiver and the XENPAK 10G tranceiver? 
Physically, the Xenpak looks longer than the X2. We have a WS-X6708-10GE blade and it looks like it can only fit the X2 Tranceivers. 
Does Cisco make linecards that are specific to X2 and some to XENPAK?

Difference between a X2-10G and XENPAK 10G tranceiver

A switch is a device that filters and forwards packets of data between LAN segments. Switches operate at the data link layer or the network layer of the Open Systems Interconnection (OSI) Reference Model and therefore support any packet protocol. LANs that use switches to join segments are called switched LANs or, in the case of Ethernet networks, switched Ethernet LANs. A hub is a connection point for devices in a network. Hubs are commonly used to connect segments of a LAN. A hub contains multiple ports; when a packet arrives at one port, it is copied to the other ports so that all segments of the LAN can see all packets.