2nd hand server CPUs

StefanR5R

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Dec 10, 2016
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This sounds as if there could be opportunities to purchase Epyc Rome (still nice) and Xeon Cascade Lake-SP (meh, 14nm++) on the used market over the course of this year:
Lisa Su said:
(on a question about projected CPU uptake by cloud and other large customers)
As we go into 2024, I think the rate and pace of growth will depend a little bit on the macro and just overall CapEx trends. But from our standpoint, we are starting to see some of our larger customers plan their refresh cycles. There's a lot of let's call it older equipment that has yet to be refreshed and the value proposition for refresh is so strong because the energy efficiency and sort of the footprint of the newer generations are so much better than sort of the four or five year old infrastructure that we do see that refresh cycle happening as we get into 2024. I think the exact timing, we will have to understand more as it, as the market evolves as we go through the year.
(source: AMD Q4 2023 Earnings Call transcript at Seeking Alpha)
edit: whitespace, bolding
 
Last edited:

Markfw

Moderator Emeritus, Elite Member
May 16, 2002
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I have 2 7742 and a 7542 and 2 7V12 all for sale. (see FS thread)
 

Skillz

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Feb 14, 2014
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I sure hope they do flood the market soon. I want to build a few more EPYC setups. The cheaper the better!
 

Shmee

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I am thinking of upgrading my X99 to a Xeon E5-2699v3. Found some for under $40.
 

Shmee

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The X99 board, which is an Asus X99 Deluxe, is in my server/NAS. Currently it runs an 8 core Xeon, the E5-1660v3 and 256GB of ECC REG DDR4. (Samsung DDR4 2133 I believe)

I was also looking in this thread http://www.portvapes.co.uk/?id=Latest-exam-1Z0-876-Dumps&exid=threads/what-controls-turbo-core-in-xeons.2496647/page-129 apparently the E5 2xxx v3 Xeons can have turbos enhanced via BIOS mods, but the Broadwell based v4 xeons are more locked down, and cannot AFAIK. I was also considering a Xeon E5-2697 v4 for around $40.
 
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Fardringle

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Oct 23, 2000
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I am thinking of upgrading my X99 to a Xeon E5-2699v3. Found some for under $40.
I don't know what the actual board/chipset is, but I upgraded a Dell Precision T5810 from an E5-1650v4 to an E5-2699v3 that I got from Amazon for about $40 a while back. I made sure the BIOS was updated before the swap and didn't have any problems at all with it. The individual CPU cores are less powerful, but there are a LOT more of them, and overall almost 3x the computing power for BOINC. Not bad for only a few bucks!

The CPU boosts itself from stock 2.3GHz to around 2.8GHz when all cores are under full load. And it probably could do more than that but the stock Dell cooler is totally inadequate and the CPU is pretty warm at that point. Maybe someday I'll find a cheap big heat sink that I can throw on there to keep it cooler and maybe running faster.

This site says the 2699v3 and 2697v4 are virtually identical in overall computing power, so either one should be a good option. From my limited experience, the main reason to go with the v4 would be to let faster RAM (DDR4 2400) actually run at faster speeds. But if your RAM actually is DDR4 2133 then that wouldn't make any difference...
 

Shmee

Memory & Storage, Graphics Cards Mod Elite Member
Super Moderator
Sep 13, 2008
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I don't know what the actual board/chipset is, but I upgraded a Dell Precision T5810 from an E5-1650v4 to an E5-2699v3 that I got from Amazon for about $40 a while back. I made sure the BIOS was updated before the swap and didn't have any problems at all with it. The individual CPU cores are less powerful, but there are a LOT more of them, and overall almost 3x the computing power for BOINC. Not bad for only a few bucks!

The CPU boosts itself from stock 2.3GHz to around 2.8GHz when all cores are under full load. And it probably could do more than that but the stock Dell cooler is totally inadequate and the CPU is pretty warm at that point. Maybe someday I'll find a cheap big heat sink that I can throw on there to keep it cooler and maybe running faster.

This site says the 2699v3 and 2697v4 are virtually identical in overall computing power, so either one should be a good option. From my limited experience, the main reason to go with the v4 would be to let faster RAM (DDR4 2400) actually run at faster speeds. But if your RAM actually is DDR4 2133 then that wouldn't make any difference...
Hmm, yeah the RDIMMs I got are rated for 2133MT/s, but since I have a fancy Asus X99 board, and not a locked down server board, I could OC them if I want lol. When I first installed them, they were actually running at 2666MT/s, because that was what my previous Corsair Vengeance kit was set to in BIOS via XMP.
 
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pututu

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Jul 1, 2017
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I am thinking of upgrading my X99 to a Xeon E5-2699v3. Found some for under $40.
If you decide to OC or do bios hack on haswell, I was rocking xeon haswell E5-4669 v3 with bios hack. I think the E5-4669 v3 may be tightly binned (since it is intended for a 4p system) and probably using the "higher-end" production bins. I also think the E5-2699 v3 was using the "higher-end" bins but looking at the msrp price from Intel at launch, 4669 v3 was priced at $7007 while 2699 v3 was at $4115, so maybe Intel did something extra special to cater for 4p vs 2p needs. Anyway if temperature and power are important consideration during OC, the 4p chip ran cool at lower voltage though the max turbo clock is just 2.9GHz while 2699 v3 can go up to 3.6GHz. There is a debate in the original forum if the bios hack actually permits the xeon haswell to run well above the chip TDP.

Here is my result when running non-avx workload doing 2.9GHz at 0.83V while doing 2.8GHz when running Cinebench R20 (avx I assume but probably less taxing than prime95?). In both tests, I did undervolt the cpu core voltage by about 70mV.
 
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StefanR5R

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cellarnoise

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Markfw

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The value of the prosessors+ram is a little over 720k, so if they get all the items sold they can make a few bucks, but not much. It will cost a lot in ebay fees to sell it.
 
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