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If you're not at all bothered with pushing RAM clocks then you'll be fine with either. These are the same dies as used in performance 'gaming' kits though perhaps slightly lower binned but I don't have any inner knowledge of how Micron bin their ICs. The lower clocks and timings are to allow stability at lower voltages because lower voltage = lower electricity bills. Not important when you're running 2 sticks but if you have a datacentre with several hundred modules then that 0.2 V per stick really adds up.

AMD have always been good about allowing ECC RAM to function with their CPUs and this hasn't changed with Ryzen 1-3 though non-Pro APUs do not support ECC. Motherboard support will vary however and some will run ECC RAM in non-ECC mode while some have an explicit option in BIOS and I believe some don't like it at all or lock it at 2400 MHz (I'm looking at you MSI).

You're not gonna get XMP on these sticks no, though for Ryzen, you don't really want to be using that anyway, you can almost always get better results by doing a manual OC.

Is there a reason you can't/won't buy the e-die from Taobao?

<blockquote data-quote="n.tesla" data-source="post: 232259" data-attributes="member: 20697">If you're not at all bothered with pushing RAM clocks then you'll be fine with either. These are the same dies as used in performance 'gaming' kits though perhaps slightly lower binned but I don't have any inner knowledge of how Micron bin their ICs. The lower clocks and timings are to allow stability at lower voltages because lower voltage = lower electricity bills. Not important when you're running 2 sticks but if you have a datacentre with several hundred modules then that 0.2 V per stick really adds up.AMD have always been good about allowing ECC RAM to function with their CPUs and this hasn't changed with Ryzen 1-3 though non-Pro APUs do not support ECC. Motherboard support will vary however and some will run ECC RAM in non-ECC mode while some have an explicit option in BIOS and I believe some don't like it at all or lock it at 2400 MHz (I'm looking at you MSI).You're not gonna get XMP on these sticks no, though for Ryzen, you don't really want to be using that anyway, you can almost always get better results by doing a manual OC.Is there a reason you can't/won't buy the e-die from Taobao?</blockquote>

[QUOTE="n.tesla, post: 232259, member: 20697"] If you're not at all bothered with pushing RAM clocks then you'll be fine with either. These are the same dies as used in performance 'gaming' kits though perhaps slightly lower binned but I don't have any inner knowledge of how Micron bin their ICs. The lower clocks and timings are to allow stability at lower voltages because lower voltage = lower electricity bills. Not important when you're running 2 sticks but if you have a datacentre with several hundred modules then that 0.2 V per stick really adds up. AMD have always been good about allowing ECC RAM to function with their CPUs and this hasn't changed with Ryzen 1-3 though non-Pro APUs do not support ECC. Motherboard support will vary however and some will run ECC RAM in non-ECC mode while some have an explicit option in BIOS and I believe some don't like it at all or lock it at 2400 MHz (I'm looking at you MSI). You're not gonna get XMP on these sticks no, though for Ryzen, you don't really want to be using that anyway, you can almost always get better results by doing a manual OC. Is there a reason you can't/won't buy the e-die from Taobao? [/QUOTE]

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