On Fri, 20 Jan 2012 13:42:59 -0800 (PST), Quadibloc
> I was excited when I heard the news that the Xeon E7 chip would bring
> to the x86 platfom the kind of RAS features that had previously only
> been available for the Itanium (and, of course, other architectures
> like SPARC and IBM mainframes).
> However, currently, in looking for servers, I find that the E7 is only
> available in blade or rack servers, not in the humbler tower servers.
> Is the E7 so expensive, or are the RAS features of such limited use
> except in very large-scale systems, so that this makes sense?
> John Savard
Intel Xeon Processor E7 Family:
Click on: "See detailed product specifications"
on the right under: "Product Specifications"
and get to:
"Intel Xeon Processor E7 Family Specifications",
which shows a list of processors with some of the features. I don't
know if the list is complete.
I think the E7-28nn is for up to 2 sockets, which I think is what you
I think E7-48nn are for up to 4 sockets, E7-88nn for up to 8
Using www.froogle.com seems to indicate that the price depends mainly
on the L3 cache size.
I think about US$1500 to US$4500 depending on cache.
(I've left out the 6 core stuff in the prices and features)
Add about US$200 to US$400 for going from -2nnn to -8nnn
I'm not sure what differences there are beyond:
. number of cores (6, 8, 10)
. threads per core (1,2=HyperThreading)
. cache size (18MB, 24MB, 30MB)
. speed (2GH to 2.67GHz)
. low power optimization
( No = 105W or 130W , yes 95W)
. maximum sockets (2,4,8)
I don't know if any or all have RAS.
This has a nice table of functionality and some prices for
1000 units from about 2011 June:
"Xeon E7 servers run with the big dogs
Gives chase to RISC and Itanium foxes"
By Timothy Prickett Morgan
Posted in Enterprise Tech, 19th June 2011 11:00 GMT