It -should- work. They're the same socket, but the 55xx series Xeons have an additional QPI link for 2P (multi-socket) operation. Other than that, the 55xx series offers no benefits aside from perhaps a little more individual validation relative to its single-QPI siblings.
I'm waiting for the 2.8GHz i7-930 in February before moving away from my 3.6GHz C2Q. > -----Original Message----- > From: hardware-boun...@hardwaregroup.com [mailto:hardware- > boun...@hardwaregroup.com] On Behalf Of Rick Glazier > Sent: Friday, January 08, 2010 7:59 PM > To: The Hardware List > Subject: [H] Intel Compatibility Question. CERTAIN CPU + MB > > This is a real question. I have the MB already, > I'm going to have the CPU next week, > That is a given fact... (This is NOT a drill...) > > I have a new, boxed INTEL branded MB: WX58BP > <http://www.intel.com/Products/Workstation/Motherboards/WX58BP/WX58BP- > specifications.htm> > It has a certain MB chipset. > <http://www.intel.com/support/motherboards/server/wx58bp/sb/CS- > 030362.htm> > > I was told with a 99% positive "guess rating" that an Intel CPU: E5520 > would work in this MB, even though the <??(required)??>(is it > required?) > MB chipset is a different series for this (much) better CPU. > <http://ark.intel.com/Product.aspx?id=40200> > > What does the collective wisdom here think? > > It would be great if they worked together. > > If not: > I might have to get the (slowest) i7-920 SLBCH > or the (slowest) W3520 SLBEW because they are > actually listed as tested CPUs for this MB. > > If anyone replies, please say how sure you are. > > Rick Glazier