Intel Xeon Gold 6148 20 core Skylake CPU for $88

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wildpig1234

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Aug 22, 2016
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These scale up to 4 sockets (if you can find a cheap 4 socket board ...lol..
Each cpu is about as fast as a 2699 v4 for much lower price!

The important thing is that these have 2 units of AVX-512

Any cheap MB suggestion?
 

wildpig1234

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seems like epyc 7551 with 32core and much faster multicore speed for only $70 is a better value? epyc has more memory channel and pcie lanes. A bit more power usage though
 

VMman

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Jun 26, 2013
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I'm enjoying the downward trend on these gen1 scalable CPU's, hopefully gen2 is also going to get cheaper so that we can all enjoy some P-MEM goodness.

Gen1 Epyc is also dropping nicely but if you have spare scalable mobos gen2 then it's an easier choice.
 
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Cruzader

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If you can live with the 18cores of 6140 they are 30-40$.

For just compute These quantas are spammed by that seller at 149€ and their other account accept lower if getting multiple.
Pretty decent for 4x scalable nodes, but they are very bare bones.

Been some dl380 g10 in 300-500 area for EU recently.
Ive grabbed c240 m5 from multiple drops at 90-200.
There are some huawei v5 at 300-350.
 
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gb00s

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... hopefully gen2 is also going to get cheaper so that we can all enjoy some P-MEM goodness...
At first everybody was so disappointed about Gen2. Now, nobody wants to sell it. Optane DCPMM has no market. If you get to see something reasonably priced, it's gone. That's the reason why PMEM capable Gen2 CPUs not forcing you to mod VRMs (Silver/Gold) on the board also have no market. If Gen2 gets smashed to the market, than EPYC MILAN will be already the much better choice if ROME with NVDIMM-N isn't already. But than you have the boards issue again ....

PS: ... And there's the current discussion in corp about costs, efficiency and costs related to current hardware development. Do they all really need what AMD and Intel with their new platforms are offering?
 
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Bert

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Depends on the use case (ie IPMI needed, always on server or workstation use case), it is also an option to get a cheap workstation instead of server motherboard.

I got my p920 under $400 with shipping and tax. probably much better deals can be found locally.
 
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wildpig1234

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Aug 22, 2016
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Depends on the use case (ie IPMI needed, always on server or workstation use case), it is also an option to get a cheap workstation instead of server motherboard.

I got my p920 under $400 with shipping and tax. probably much better deals can be found locally.
lenovo p920 is pretty good option.

However i just notice that the lenovo p920 only has 4 memory channel per cpu ;(. So that's underutilization of the 6 channel for xeon scalable ;(
 

Bert

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lenovo p920 is pretty good option.

However i just notice that the lenovo p920 only has 4 memory channel per cpu ;(. So that's underutilization of the 6 channel for xeon scalable ;(
No it has 6 channels like all other lga 3647 systems. It has 8dimms per socket, second rank does not change the channel bandwidth.

12 dimms per socket would be better for extra memory capacity but then you need to give on PCI-E slots or larger case. I prefer PCI-E slots. Dell 7920 is another option where you get lots of PCI-E lanes and 12 dimms but then they are expensive.
 
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wildpig1234

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No it has 6 channels like all other lga 3647 systems. It has 8dimms per socket, second rank does not change the channel bandwidth.

12 dimms per socket would be better for extra memory capacity but then you need to give on PCI-E slots or larger case. I prefer PCI-E slots. Dell 7920 is another option where you get lots of PCI-E lanes and 12 dimms but then they are expensive.
I notice the 3 white slots and 1 black slot now. thanks ;)

thinkstation_p920_p720_memory_configurations_v1.0.pdf (lenovo.com)
 

nexox

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May 3, 2023
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epyc has more memory channel
Two more channels, but in a different topology, so actual available memory bandwidth depends on the workload. From what I gather the Xeons are a whole lot less picky about the memory they'll be happy with, which is worth something.

I think I'd hold out for 6150s if I had the need to spend more than whatever 6132s cost today, and one day I will get so many 6240Rs, when they're $100 each.
 
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ano

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fairly slow cores though @Cruzader :| pretty much no of my stuff wants more cores vs faster cores and fewer
 

gb00s

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While looking over a few chips to see how gen1 prices have developed overall i found this one - SRCKE Intel Xeon Platinum 6162 24-Core 1.9Ghz 33MB 150W FC-LGA3647 Processor.
listed at 65$/offer with 66 available, oh so tempting to offer for some.
Gen2 >> Scalable Gold 6222 QS .... DCPMM Capable with low TDP ... still 3.6Mhz boost / Maybe good for storage / Still won't make a sweat with 40Gbe I guess and just needs 2400 memory... cheaper on the market than 2666 / Low-budget option
 
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ano

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Ill admit to running sevral TB's of 2133 and 2400 memory on both ceph cluster stuff, zfs and with vms , just because its not that much faster with 3200
found 8x2133 32GB was faster than 4x3200 64GB for a lot of our workloads especially on epyc 2/3rd. had to go to exotic stuff like 7763 cpus for it to show much improvement with 8x3200 vs 8x2400 also.
 
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