Mac Pro 6,1 sr171 vs sr19h xeon

[Guest safitorn]

Hi,

 

I can see on eBay the sr171 vs sr19h xeon processors haveing the same egzact specs.

Is it because the 171 is a oem part while the 19h is retail?

Any chance the 171 will work fine in a Mac Pro 6,1?

 

Source: MacRumors