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Cost of used Xeons surprising


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#1
spookybathtub

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I just noticed that used Xeon E5620's are selling for more than used X5650's on eBay. That doesn't make any sense to me, can anyone explain?

E5620 is 8 core 2.4GHz
X5650 is 12 core 2.66GHz

I have the dual 5620 Mac Pro. I can trade up my CPUs and actually make a profit!

#2
vbetts

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The 8 core xeons have higher yields compared to 12 core yields. Supply and demand.

#3
spookybathtub

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What do you mean by yield?

#4
Gringo Vermelho

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Higher yield means that more of them leave the assembly line without flaws.



#5
spookybathtub

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Ok so the 8 core has more supply... That doesn't explain why the demand is so much higher that it costs more than a 12 core

#6
vbetts

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Higher yields=higher dependability. They'll last longer under stress.

 

There's enough supply and demand to inflate prices on the 8 core Xeon's. If there was too much demand but not enough supply, prices would probably sky rocket. If there wasn't too much demand, but a huge supply then prices would plummet  A good number of times, used Xeon's go pretty cheap anyway.

 

It's all economics and trading. =]



#7
3.14r2

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Quite similar situation is with ECC vs non ECC RAM (Desktop vs Server RAM) on eBay. Sometimes pricing on eBay is beyond my understanding.



#8
vbetts

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Ram is difficult to judge, as flash and ram memory prices fluctuate constantly I've noticed. Just a few months ago, you could get a decent speed 8gb ddr3 1600 kit for $40. That price is now near $70 just starting off for 8gb 1600 kits.







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