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MSI X299 SLI-PLUS ECC Memory Support

Infernal Burrito
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I came across some Kingston ECC DDR4 (https://www.newegg.ca/Product/Product.aspx?Item=9SIA5SC5BD2545&cm_re=ecc_ddr4_64gb-_-20-242-283-_-Product is the same model) at a very good price, which is a rarity with RAM prices as they are now. I am wondering if it'll run in my X299 SLI-Plus with an i7-7820x. I understand the board and CPU don't support error correcting, but does that mean the RAM won't let the system boot, or that the ECC feature will just be disabled?

Intel Core i7 4770k - 2x Geforce GTX 780 - MSI Z87 MPower Max - Corsair H60 - 8GB Avexir Core Series MPower Yellow + 4gb no-brand DDR3 - Corsair Obsidian 750d - AData XPG SX900 256gb SSD - Seagate Barracuda 3TB (7200 RPM) - Hitachi 250GB 2.5in HDD (3200 RPM) - WD HDD 160GB extracted from iMac via black magic (no specified RPM) - ASUS VG248QE 144HZ 3d Vision Monitor - Logitech G602 - Ducky Shine 3 TKL - AKG 172 HD Headphones - Xperia z2 - Sony Noise canceling earphones -  Nikon D5200 With Bundled Lenses - Windows 7 Home Premium - Blue Snowball iCE - Acer Aspire X with a broken case, AMD A6, and Raijintek Aidos CPU heatsink

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2 minutes ago, Infernal Burrito said:

I came across some Kingston ECC DDR4 (https://www.newegg.ca/Product/Product.aspx?Item=9SIA5SC5BD2545&cm_re=ecc_ddr4_64gb-_-20-242-283-_-Product is the same model) at a very good price, which is a rarity with RAM prices as they are now. I am wondering if it'll run in my X299 SLI-Plus with an i7-7820x. I understand the board and CPU don't support error correcting, but does that mean the RAM won't let the system boot, or that the ECC feature will just be disabled?

It really depends on the motherboards as some motherboards are able to use ECC RAM with the ECC module disables on the RAM whereas other motherboards BIOS' would simply refuse to post/ work with ECC modules. 

I suck a typing, preparw for typos.

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https://www.msi.com/faq/motherboard-2721

 

This MSI forum post says yes, will update post after testing.

Intel Core i7 4770k - 2x Geforce GTX 780 - MSI Z87 MPower Max - Corsair H60 - 8GB Avexir Core Series MPower Yellow + 4gb no-brand DDR3 - Corsair Obsidian 750d - AData XPG SX900 256gb SSD - Seagate Barracuda 3TB (7200 RPM) - Hitachi 250GB 2.5in HDD (3200 RPM) - WD HDD 160GB extracted from iMac via black magic (no specified RPM) - ASUS VG248QE 144HZ 3d Vision Monitor - Logitech G602 - Ducky Shine 3 TKL - AKG 172 HD Headphones - Xperia z2 - Sony Noise canceling earphones -  Nikon D5200 With Bundled Lenses - Windows 7 Home Premium - Blue Snowball iCE - Acer Aspire X with a broken case, AMD A6, and Raijintek Aidos CPU heatsink

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ECC ram should be compatible on boards that dont support it.

 

However many ECC memories may be registered (buffered) memory.  Registered memory is incompatible.  Sometimes those two are confused together.  Make sure you are getting unregistered (unbuffered) ECC memory.

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