XENPAK vs. X2

Hi,

Is there any difference between these 2 modules?

I'm purchasing a 4port tengig blade(6704-10G) for a 6500 and only XENPAK modules are supported BUT for the 8 and 16port version you have to use X2.

Cisco X2-10GB-SR
http://www.cisco.com/en/US/prod/collateral/modules/ps5455/ps6574/product_data_sheet0900aecd801f92aa.html
Cisco XENPAK-10GB-SR
http://www.cisco.com/en/US/prod/collateral/modules/ps2797/ps5138/product_data_sheet09186a008007cd00_ps5251_Products_Data_Sheet.html

Both specifiations look the same.

Thanks

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XENPAKs are older and mostly phased out. Go with the 6708, it's a better card.

thanks.

Well yeah if there wouldn't be that much of difference between the 2 blades ~ 10k USD.

It's worth the money. You get much deeper buffers, DFC, etc.