Intel Xeon E5-2670 Deal and Price Tracking

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briandm81

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Aug 31, 2014
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Interesting information. I've already initiated my return and picked out a pair of C2 processors, but still great info. Thanks for testing!
 

Dajinn

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Jun 2, 2015
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Interestingly enough post #26 talks about succesfully enabling VT-d and passing through a device on a C0 Xeon E5-2650L.

forgot the link: E5 Xeon list - [H]ard|Forum

I'd be curious from any posters here who have C0 or C1 chips if they can perform some actual pass through testing and see if it DOES, in fact, function.
 
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Dajinn

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Jun 2, 2015
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I've already seen that...and I'm not entirely convinced though. Also, I forgot the relevant link to my post lol, I edited it and added it.

The description of the issue on a techpowerup article is:

The initial batch of C1 revision Sandy Bridge-E processors have a bug – “errata” in Intel terminology – in them with VT-d, which means that hardware accelerated virtualization doesn’t work properly with them (software only mode is unaffected). The feature when working properly, allows all hardware acceleration to work on the hosted operating system (virtual machine).
Perhaps he can passthrough the controller but gets garbage speeds? More thorough testing is needed.
 

TType85

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Dec 22, 2014
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I've already seen that...and I'm not entirely convinced though. Also, I forgot the relevant link to my post lol, I edited it and added it.

The description of the issue on a techpowerup article is:



Perhaps he can passthrough the controller but gets garbage speeds? More thorough testing is needed.
Mine should be here today or tomorrow. I will toss them in and install esxi and test. I have a M1015 and a 2 port nic in the box I can try to pass through and test speeds.
 
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hsben

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Sep 10, 2014
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At this price I should get one of these for my desktop to replace my x5650 setup. Do I need to have VT-d enabled for workstation? If not a C1 stepping would work.
 

Dajinn

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Jun 2, 2015
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At this price I should get one of these for my desktop to replace my x5650 setup. Do I need to have VT-d enabled for workstation? If not a C1 stepping would work.
The x5650 and e5 do not use the same socket. But no you don't need it for a workstation at all. Vtd passed physical hardware through to VMs.
 

TType85

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Dec 22, 2014
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At this price I should get one of these for my desktop to replace my x5650 setup. Do I need to have VT-d enabled for workstation? If not a C1 stepping would work.
I'm thinking of grabbing one and maybe a barebones Dell T3600/5600 workstation for my wife. With the spare drives, ram and video cards I have around it could be a pretty stout PC for around $500
 

dba

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Feb 20, 2012
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There is a very large vendor out there with a pretty darn large stock of E5-2670 CPUs, and they are trickling them into the market slowly as to keep the price from crashing. Even so, the price is dropping pretty quickly.

Starting a thread to keep track of pricing of the Intel Xeon E5-2670 V1. They were around $300 a month ago.

Here is a link to the ebay lowest price search.

12 October 2015 - $199.99
15 October 2015 - $179.99
23 October 2015 - $175.00

Amazing the speed at which these are falling. Making a prediction they will be sub $150 soon.
 
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hsben

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Sep 10, 2014
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I'm thinking of grabbing one and maybe a barebones Dell T3600/5600 workstation for my wife. With the spare drives, ram and video cards I have around it could be a pretty stout PC for around $500
Do you get full capability out of high-end video cards using them on server motherboards?
 

TType85

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Dec 22, 2014
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Dajinn

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Jun 2, 2015
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Do you get full capability out of high-end video cards using them on server motherboards?
There's no reason you wouldn't unless you're fully saturating the expansion slots with high bandwidth devices. Even then, benchmarks show there's little difference(if any)in performance between protocols like PCIe 2.0/3.0 and x8 and x16 electrical for GPUs, at least in gaming anyway. Now that you mention it I'm not sure if rendering or workstation video cards are a different beast in that regard, my intuition tells me probably not, though. The only time I'd worry about it is if you're forced to run a card in 4x mode, then you might not be getting the "full" capability.
 

Dajinn

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Jun 2, 2015
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The spec sheet on the T5600 says "Support for two PCI Express® x16 Gen 2 or Gen 3 graphics cards up to 300W (total for graphics)" then recommends a bunch of Quadro/Firepro cards.

I have a Geforce GTX 780TI, will I lose any performance running something like that motherboard(for gaming)? Or should I go out and grab an ASUS rampage motherboard(which is non-server obv)?
No you won't.
 

britinpdx

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Feb 8, 2013
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