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phbigred

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    Unraid OS version 6.6.0-rc1 available

    in Prereleases

    Posted

    1 hour ago, John_M said:

    I'm afraid I don't understand what you're saying. How are they overclocks? What is being overclocked? Do you mean XMP? XMP is disabled by default on AM4 motherboards and the fastest JEDEC timing is used: DDR-2133. I enable XMP and then choose either DDR-2666 or 2933, depending on the CPU (and the RAM, of course - I aim to buy DDR4-3000 at the moment but sometimes 3200 happens to be cheaper. I have some DDR4-2666, which I run at 2666. I buy RAM for each project and always choose from the motherboard vendor's QVL). Nothing is overclocked: the memory controller is in spec and the RAM is spec.

    https://www.tomshardware.com/reviews/ram-overclocking-guide,4693.html

    Memory starts at the lowest most common settings for boards. You don’t get the rate out of the box, you have to set it. I can buy a GPU with an overclock too. Base frequency is what I’m referring to. Been an overclocker for years since my Athlon days. Yes its in spec but your point is moot. It registers at a set frequency when you install it. That’s the base setting. Anything above that even within spec is a overclock of sorts.

    Unraid OS version 6.6.0-rc1 available

    in Prereleases

    Posted

    4 hours ago, John_M said:

    I don't overclock my RAM, my memory controller, my cores or anything else. On my 1000-series Ryzen systems I run my RAM at DDR-2666 (i.e. 1333 MHz clock) and on my 2000-series Ryzen systems I run my RAM at DDR-2933 (i.e. 1467 MHz clock) as specified by AMD. There's little to be gained and much to be lost by overclocking the 2700X since XFR2 takes it to the limit of the thermal solution anyway.

    2666 and 2933 are overclocks. You have to use XMR or memory timing adjustments to get it. My RAM is rated at 3200 but run it at 2933. We can agree to disagree on the CPU as I don’t adjust voltage from stock and I run water cooling so my at load temps are 60 degrees C. Is it harder on the chip? Yes, do I really care? No as I can drop in another easy enough. It’s not like I paid $300-$400 for the chip. If I get half the life I’m still ahead.

    Unraid OS version 6.6.0-rc1 available

    in Prereleases

    Posted

    58 minutes ago, John_M said:

    It's not a good idea to overclock a server.

    Depends on what you use it for. Been overclocking with Unraid for years. Tell me you don't overclock your ram to get timings reported on the sticks... Difference in Watts pull and overclockability of AMD within margins and tight CPU OC makes it a completely safe bet in my case. I run 2 gaming VMs off this with CPU pinning and GPU and USB PCI passthrough. 

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