Immediately after pulling the trigger on a Rome CPU (7F52) and a new ASRock ROMED8-2T motherboard I thought I should cancel the orders and look at TR-Pro to hyper converge with the main PC. Pricing out a $2600 7965WX plus another $1000 for DDR5 memory cured me of that notion pretty quickly.
AMD EPYC 7302p+ Supermicro H11SSL-i version 2
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DDR5 price just too expensive compared to ddr4 right now. I just checked on ebay. DDR5 ECC compared to DDR4 is like day and night difference in price...lol.. It's worse than comparing ddr3 to ddr4 .... lol
The ebay prices of DDR5 RDIMM shocked me too. in europe they are cheaper new from hardware-dealers.
16GB Kingston DDR5-4800 UDIMM ECC 72 €
16GB Kingston DDR5-4800 RDIMM 82 €
Hi!
I'm trying to decide the RAM speed to get, 2133 vs 3200... I haven't found any benchmark in server ECC memory, only for gaming. Any recommendation? is it worth to upgrade to 3200?
My use case is:
-VM's with containers: web servers, media servers, vpns, password manager... < I guess for this doesn't matter
-Truenas as a NAS < I guess for this doesn't matter either
-And Machine Learning stuff, mainly loading Large Language Models, for the models that won't fit in VRAM, offloading them to RAM < Not sure about this one
I'm trying to decide the RAM speed to get, 2133 vs 3200... I haven't found any benchmark in server ECC memory, only for gaming. Any recommendation? is it worth to upgrade to 3200?
My use case is:
-VM's with containers: web servers, media servers, vpns, password manager... < I guess for this doesn't matter
-Truenas as a NAS < I guess for this doesn't matter either
-And Machine Learning stuff, mainly loading Large Language Models, for the models that won't fit in VRAM, offloading them to RAM < Not sure about this one
The more critical thing is to use all 8 memory channels. Right now, I have a H11SSLi and a H12SSLi. I only have 4 ddr4 sticks, so I would double my bandwidth by going to 8 sticks.
yeah! I plan to populate the 8 memory channels gettings 8x64GB, not sure about the speed though
Go with 3200 MHz. You can normally find it for not that much more. Just one of those buy once cry once instead of getting 2133mhz and regretting it or wondering what could be.
I second that. Better to have all 8 channels filled up with 2133 vs only 4 channels filled with 3200. The price of 3200 might still be a bit high for the larger modules like 32GB. So depends on your usage, 2666 or 2933 might be enough. But between having 8 channels filled with 2666 vs only 6 channels of 3200, would definitely got with 8 channels. I guess you can always get less 3200 to start out and then get more later. But then you might run into issues of the modules not being identical unless you get the exact same ones later. Having identical ram is esp if you are running dual cpu to minimize any memory imbalance.
Important to note two things. Which chip is being used and what your use case is. If you get a 16 core Rome, 4 Channels is recommended due to CCD arrangement by a few mobo manufacturers. Greater then 32 cores, max channels has very appreciable impacts.
If you are using the EPYC for say desktop usage, faster ram will greatly help the "feel" of it being responsive. I noticed appreciable differences in 2400 -> 3200. If you are bare metal workload processing, max ram channels out first. Don't consider 6 channel arrangements.
If you are using the EPYC for say desktop usage, faster ram will greatly help the "feel" of it being responsive. I noticed appreciable differences in 2400 -> 3200. If you are bare metal workload processing, max ram channels out first. Don't consider 6 channel arrangements.
It will probably be a 7402p, so 24 cores. My plan is to max out the 8 slots to begin with, so that's why choosing right from the beginning would be important
I'm thinking of going with 8x32GB at 3200mhz