Would it have adequate power and cooling? Can I flash the bios without a cpu?
Yes, you can. On any board with BIOS FLASHBACK or similar feature, you can absolutely flash a motherboard with no CPU installed. That's the WHOLE point of BIOS flashback.Generally you cannot flash a bios without a cpu
It should be fine, since its not drawing any more power.
B450 has, at most, a 4 power phase design. It CAN work for the lower end Ryzen 3000 processors but I would not use it with any of the 8 core or higher models. They already have trouble with the high core Zen1 parts. I would not recommend anything less than X470 for Ryzen 3000 series, especially on a high core model.What about b450?
If it were me i'd stick with a 3200mhz kit, due to the fact that the 3700x isn't high end and the detailed hardware specifications of the motherboard's supported bandwidth. However if I was upgrading to a 3900x or higher using that specific motherboard, i'd definitely look into that possibility of utilizing higher memory bandwidth to make use of the motherboard's full potential. For the 3700x I just don't think it's necessary for most use cases.I appreciate you explaining that in terms of vrm and power draw, but in terms of the max supported RAM by the motherboard.. people have tested higher speeds and have had success with that. This for example.. (there's more but this was the first one that I could find quickly)
https://www.reddit.com/r/Amd/comments/cdrgnq View: https://www.reddit.com/r/Amd/comments/cdrgnq/micron_edie_is_awesome_4x16gb_dr_3400mhz_14181432/
He was able to get 3400mhz @ C14.. but that was with Ryzen 1700 (first gen) and the main bottleneck there appears to be the integrated memory controller. As far as I know with the 3000 series, the memory controller is much improved and should be able to reach 3600mhz (with 4 sticks) with no problems. I've seen results like this in the last week when using this motherboard, I just can't remember the links off the top of my head.
1 / Frequency (not DDR) x Latency = True Latency (nanoseconds).
Stock 3200 @ 14 is faster than Stock 3600 @ 16:
1 / 1.600GHz x 14 = 8.75nS
1 / 1.800GHz x 16 = 8.89nS
Stable Overclock with 3733 @ 16 is faster:
3733 @ 16 is 1 / 1.867GHz x 16 = 8.57nS
By calculating True Latency, when experimenting with memory overclocking, it becomes much easier to determine with greater consistency, where you might expect to find that elusive fuzzy-grey edge of stability.
Except for applying excessive or prohibitive voltages above 1.35-1.4v, which can potentially damage your processor's IMC, even with the best chips, any Frequency / Timing combinations that result in True Latencies below about 8.5'ish to 8.4'ish may be unstable, or unbootable.
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