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Workstation motherboard and processors supporting ECC server memory?

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splin:
I've been offered 4 x 16GB PC3L registered ECC RDIMMs. I currently have an i7-3770K with 32G non ECC DDR3. I would much prefer to have ECC memory for the extra reassurance and 64G would be nice. So are there any workstation or desktop motherboards that would support it and *not*:

a) Cost an arm and a leg (after selling my existing MB/CPU/memory)
b) Be a big step back in performance - especially for single thread apps.
c) Consume a significantly more power - I selected the current components for low power, especially at idle.

Older XEONs are presumably an option but I've no idea how much one would cost with a suitable desktop MB assuming they were available but I would be concerned about the power consumption and the performance hit from the Meltdown and Spectre patches.

I've no idea what the AMD equivalents would be - I know power consumption was a problem prior to Ryzen (DDR4 only?) but AMD desktop processors used to support ECC although not all MBs did.

Should I just forget the idea and upgrade in a year or so to the latest and greatest? I don't play games much but do use LTSpice which I believe still doesn't use multi-cores.


[EDIT] PC3L is DDR3 memory so not suitable for current processors - I'd have to buy a CPU and MB second hand.

Halcyon:
Look at Supermicro boards. They are very well priced, rock solid and reliable. Many of their boards support both ECC and non-ECC memory.

andersm:
All AMD Ryzen-based CPUs support ECC, but you need a motherboard that supports it.

splin:

--- Quote from: andersm on October 02, 2019, 11:20:20 pm ---All AMD Ryzen-based CPUs support ECC, but you needno a motherboard that supports it.

--- End quote ---

But Ryzen don't support DDR3 do they?


[EDIT] Sorry,  I didn't make it clear in my original post that the memory I've been offered is DDR3L (IE. PC3L)

wraper:

--- Quote from: andersm on October 02, 2019, 11:20:20 pm ---All AMD Ryzen-based CPUs support ECC, but you need a motherboard that supports it.

--- End quote ---
Those with iGPU (APU) do not though.

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