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-   -   Considering building a PC/server for factoring/projects (https://www.mersenneforum.org/showthread.php?t=26427)

Plutie 2021-01-23 00:34

Considering building a PC/server for factoring/projects
 
I've got a part list, but would like to know if this is reasonable for running fast ECM/NFS jobs. The CPU is old, but performance is still extremely good compared to my current PC.

[url]https://ca.pcpartpicker.com/list/VcG6PV[/url]

Advice would be appreciated (especially if there's a similar setup for better performance or price), since this would be my first very high-power build.

VBCurtis 2021-01-23 03:49

What you've got there is nearly exactly my HP Z620 workstation. They go for about $1000 on ebay in similar configuration (though not with dual 4TB drives, more like a 1TB or 750GB).

I'd trust a used HP for quality and component durability over building my own, especially if I could save $300ish doing so. I've run a Z600 (sandy bridge generation, 6-core per socket max) for about 3 years now, and the Z620 has run for 2 yrs.

If you have the budget for it, Z640 is haswell-generation and DDR4; I'd buy a dual-CPU one of those, or a Z840, if I wanted to spend $1000-1200 on a NFS machine right now. The Z840 is a bigger case with more DDR slots but the same CPU family.

ECM runs pretty well on anything- it's not very memory-bandwidth hungry, and it makes good use of hyperthreads. It's pretty reasonable to get an old Xeon for the tasks you're interested in- and I'm not just saying that because I made the exact-same choice for silicon.

Plutie 2021-01-23 04:58

[QUOTE=VBCurtis;569901]What you've got there is nearly exactly my HP Z620 workstation. They go for about $1000 on ebay in similar configuration (though not with dual 4TB drives, more like a 1TB or 750GB).

I'd trust a used HP for quality and component durability over building my own, especially if I could save $300ish doing so. I've run a Z600 (sandy bridge generation, 6-core per socket max) for about 3 years now, and the Z620 has run for 2 yrs.[/QUOTE]

Thank you for the recommendation. I would personally rather build it myself, but if I can find a good enough deal, then I will probably get one. I have pretty specific things I am looking for in a system though, (extra RAM, more disk space) so I may stick with a custom system if I cannot find any decent deals for other PCs.

VBCurtis 2021-01-23 05:04

I just noticed your location in Montreal, and the partpicker page was Canadian. If those prices were Canadian (as one would expect), then your parts list is about $1250 USD and by the time an $1100 USD Ebay machine is shipped across the border you won't save anything, let alone the $300 I thought you would.

Sorry for not paying closer attention.


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