ECC DDR3 in Z87 i7 system

Videographer · Sep 20, 2014

Hi all

Can anybody tell me, will ECC RAM function in my system? I know I won't get the added benefit of error correction and it will have slighty more latency, but will it run?
As far as I can tell the system supports the common 1.35v the memory will use but there is no info on whether ecc will boot or give a memory error at post

System is
i7 4770
Gigabyte ga-z87-hd3

Darkbreeze · Sep 20, 2014

No, which looking at the manual would have told you, as seen here:

http://www.gigabyte.com/products/product-page.aspx?pid=4489#sp

Videographer · Sep 20, 2014

That doesn't actually say, what it says is "non ecc is supported" it doesn't say "ecc will not post if used" so its still ambiguous I'm afraid. Some boards will boot others will not

k1114 · Sep 20, 2014

You can't use ecc with an i7 anyways.

Videographer · Sep 20, 2014

I'm aware I won't get ecc functionality, what I'm asking is will it work as a normal system? See this link http://www.integralmemory.com/faq/can-i-install-ecc-dimm-non-ecc-motherboard

k1114 · Sep 20, 2014

No it will not work.

Videographer · Sep 20, 2014

Cheers, what are you basing this on?

barto · Sep 20, 2014

I think the question needs to be asked, why are you trying to use ECC RAM on a desktop PC?

Videographer · Sep 20, 2014

Its cheaper

Darkbreeze · Sep 20, 2014

As I said in the first place, it will not work. It won't work with the board and it won't work with the CPU.

i7 4770 specifications:

http://ark.intel.com/products/75122/Intel-Core-i7-4770-Processor-8M-Cache-up-to-3_90-GHz

Videographer · Sep 20, 2014

Ok, if I stick a Xeon 1245 in will it work?

k1114 · Sep 20, 2014

Ecc should not be cheaper, where are you looking? That xeon is the wrong socket.

Darkbreeze · Sep 20, 2014

Well, the Xeon supports it but all indications from the white papers I can find are that the board does not.

Darkbreeze · Sep 20, 2014

k1114 :

The cpu support list for that board says it supports that Xeon. Which is strange since it's an 1155 socket cpu and the board is 1150. Why would they list it as a supported cpu when the sockets are incompatible. Different revisions of the Xeon maybe?

Videographer · Sep 20, 2014

The Xeon supports ecc according to Intel and there are certainly Asus boards with full ecc support. Its second hand RAM, its in abundance do to server upgrades. I don't even care for the ecc functions I just want to know if it will boot or not. I don't think there is a way to tell without trying because the manuals and tech sheets only show what is supported not what is compatible. I know what I'm doing would be like sticking a top GPU in a 4x slot, but if you could get that GPU cheaper than any other one you'd still buy it right? Hence my question

Darkbreeze · Sep 20, 2014

Sigh. What is the model number of the ECC memory. If it's registered memory it won't work at all for sure, period. If it isn't, it still likely will not for many reasons. The board says non-ECC, like has been said already. The voltage requirements for the ECC are probably different. The Xeon won't fit that board anyhow so it's a moot point unless you want to go through the process of finding an i3 that supports it which is the only modern non-Xeon consumer class cpu that does support ECC (i5's and i7's do not, but apparently, some i3's do.) which makes little sense when you can purchase RAM cheaper than a CPU. So, basically, it's not an option.

Videographer · Sep 20, 2014

Apologies on the Xeon its a 1245 v3 which will fit the 1150, not the original, don't think you can even get them anymore.
The DDR is ECC Unregistered 1.35v that's all I know. The board can go from 1.25v to 1.8v so the registered and voltage elements shouldn't be an issue, its purely whether it will work or not. I might just throw a stick in and see what happens

Darkbreeze · Sep 20, 2014

In that case, there is the very slimmest of possibilities that it will work, but in my opinion it's not worth the possibility of damage. I'd contact Gigabyte and ask them for confirmation as to whether or not it will work. The GA-Z87-WIFI board apparently does support ECC so who knows.

k1114 · Sep 21, 2014

It won't damage it, just try it then.

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