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Re:The Supermicro H11DSi Motherboard Mini-Review: The Sole D... by arminiusreturns on Friday May 15, 2020 @12:34PM (#23194114)
Having built a few quad/dual cpu AMD Opteron systems since ~2013 with supermicro boards, I can tell you they are extremely sensitive to RAM brands/models and variations. Sometimes even RAM in the verified supermicro list would have issues.

On a side note, it was about then that I foresaw AMD's move towards high core counts and I love what they have been doing both on desktop and in the server space. Honestly though, I think if I were to try to do a newer amd server I might try to push a threadripper if the power profile fit the DC/colo instead of an epyc mostly because of the lanes and the fact that anything I'm doing on a system that powerful is going to have a 40gb+ mellanox and often in combination with GPUs.

Re:The Supermicro H11DSi Motherboard Mini-Review: The Sole D... by nullc on Friday May 15, 2020 @06:42PM (#23198371)
The single socket epyc boards expose a lot more PCIe than threadripper boards, from what I can tell.

$/core-ghz is much better on the TR parts though, if you're paying retail. Epyc chips sometimes show up on secondary markets at much better prices than retail. (e.g. my 7742's I basically paid the same $/core-ghz as the current top end threadripper parts).

Re:The Supermicro H11DSi Motherboard Mini-Review: The Sole D... by arminiusreturns on Monday May 18, 2020 @10:39PM (#23230807)
Yeah it's generally a tradeoff of pci lanes to clock speed between the two. I would go for the clock speeds.