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Comment by kllrnohj | Hacker News Reader

Like previous Ryzen lineups the entire line has unbuffered ECC support. Whether or not it's officially supported will depend most on the motherboard & bios and if they tested & validated it.

At this point the Asus Pro WS X570-Ace ( https://www.asus.com/Motherboards/Pro-WS-X570-ACE/ ) appears to be the only x570 board with certified ECC support.

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I'm wary of buying ASUS due to past personal experiences (defective Z97 motherboard and GPUs) and their Canadian RMA service being a dumpster fire.

The Gigabyte X570 AORUS XTREME (as another example) says in the specs

> Support for ECC Un-buffered DIMM 1Rx8/2Rx8 memory modules*

* ECC is only supported with AMD Ryzen™ PRO-series CPU.

Hmm.

How long will Asus keep updating that board with firwmare updates? In my experience Asus is horrible about releasing updates after a couple of years.

Asus is generally pretty good at updating the BIOS. My Asus X370-F gaming has already been updated with support for Ryzen 3rd gen.

I have multiple Kaby Lake boards which haven't received any BIOS updates in > a year. It depends upon the model line and as far as I can tell they will not tell you how long support is before you buy one.

What are you expecting an updated BIOS to do for that platform? Kaby Lake was the last CPU line for that chipset series since Coffee Lake shuffled some pins around. So what are you wanting updated that Asus hasn't provided?

There are issues with the BIOS on on of the systems randomly changing the m.2 PCIe speed between 4x and 2x. It only exists in the most current version of the BIOS but doesn't happen on older version.

Their are also other issues that should be fixed but haven't.

For what it's worth, Asus has provided excellent support for the PRIME X370-PRO motherboard. It was a bit of a gamble when I purchased a PowerSpec Ryzen system from Micro Center, but Asus has released regular BIOS updates, including support for higher-speed memory (e.g. I'm running 32 GB @ 3200MHz, Corsair Vengeance chips).

My only complaint would be the lack of detailed change logs, which are often only a single bullet point.

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