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I'm putting together a new server. I'm looking at the Xeon E3-1270 processor. I see that the the new ivy bridge line is coming out next week. The ivy bridge version of this chip will be called Xeon E3-1270 v2 and it has the same socket. Will the new E3-1270 v2 work with existing motherboards that are designed for the E3-1270? (I'm looking at the SuperMicro X9SCM-F)

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According to sources such as Anandtech, Ivy Bridge will be backwards compatible with Sandy Bridge-based motherboards.

Ivy Bridge is backwards compatible with existing LGA-1155 motherboards, although there will be a new chipset for Ivy Bridge and new motherboards to enable some features (e.g. PCI Express 3.0, native USB 3.0). The new chipset family falls under the 7-series banner. We'll see Z77, Z75, H77, Q77, Q75 and B75 available at or around launch.

Traditionally, Intel have featured backwards compatibility within each tick-tock cycle, and evidence points out this time it should be the same.

However, with the new Tri-Gate technology, and servers being a different class of machines, while there is a high chance it will be compatible (albeit maybe with lacking features), there is still a small chance it won't be compatible.

Ivy Bridge server class processors are not due out next week - their desktop processors are. According to Hardmac, there's a chance that Ivy Bridge Xeons will be delayed.

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That Hardmac article is about socket 2011 Xeons with quad-channel memory controller, no relation to the chip he's asking about. –  Ben Voigt Apr 24 '12 at 0:17
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