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  1. Storm-Chaser

    HP Z840 36C/72T Workstation Build

    Some pictures from last night during the liquid metal install. PC on the left is a Z820, which is also maxed out with 64GB 8 channel memory and two 2673 v2 processors. Again, please forgive my potato phone. Moving on to undervolting this processor next. Im happy with memory bandwidth for...
  2. Storm-Chaser

    HP Z840 36C/72T Workstation Build

    Me too. I have three Z820s in addition to the z840. I source a lot of my server stuff from ebay. Seems to be some decent deals if you look around. I paid: $350 for bare bones chassis $300 for two E5 2696 v3 CPUs (This CPU is better than the flagship 2699 v3 due to higher turbo (3.8 vs 3.6) $300...
  3. Storm-Chaser

    HP Z840 36C/72T Workstation Build

    Sorry about the potato phone, I should have something better soon. Computer arrived yesterday. Has some scratches that will have to be delt with, however, easy fix ebay it (new side cover). Other than that it's in great condition, in fact, it has very little use on it at all. You can tell when...
  4. Storm-Chaser

    HP Z840 36C/72T Workstation Build

    This will serve as build log. Will get specs and pictures up tomorrow.
  5. Storm-Chaser

    Z820 Build with Xeon 1680 v2 [overclocking]

    Pictures to follow. This will be an interesting build. Picked up a z820 with the later boot block date for $300, just waiting on that to arrive at the moment and then I can get started. CPU is very cool, and quite rare. It's a Xeon E5-1680v2 and it has an unlocked multiplier. There are obviously...
  6. Storm-Chaser

    Help on memory config HP DL380 G7

    Is posting now with the separate type of memory?
  7. Storm-Chaser

    E5-2696 V2 CPUs for $325!

    That's why I purchased a 9600KF as opposed to a 9900KF. It's basically identical in performance up to 6 cores, and what most people don't really get is that you will rarely use more than 6 cores, and even if you do, it's still not going to be much slower. It's not like a 6 core CPU cant handle...
  8. Storm-Chaser

    E5-2696 V2 CPUs for $325!

    Depends on workload and other system hardware as well. And definitely not easily outclass two of them. Two 2696 v2 processors will actually edge out a core i9 extreme 10980XE in CPUz multi-core benchmark. That particular chip has 18 cores and 26 threads. The memory performance is still pretty...
  9. Storm-Chaser

    Help on memory config HP DL380 G7

    I think we found the root cause of your no post situation. I downloaded the user guide and turned to page 45, the memory installation guide. Here is what I found: More information on memory related specs (if you haven't already seen this): For help identifying the proper memory for your...
  10. Storm-Chaser

    E5-2696 V2 CPUs for $325!

    https://www.cpu-world.com/Compare/425/Intel_Xeon_E5-2695_v2_vs_Intel_Xeon_E5-2697_v2.html Probably not worth the hassle and cost of upgrading.
  11. Storm-Chaser

    Setting up hybrid liquid metal cooling loop for my z820

    well sorry, cant help with that. If you take it apart one tip I could give you is to disassemble the motor itself, clean the contact points, re-grease and sand the brushes if there are any, never had it apart so IDK for sure. obviously if the motor smells burnt you are probably going to need to...
  12. Storm-Chaser

    Setting up hybrid liquid metal cooling loop for my z820

    I don't have any apart yet. And I am not going to fully disassemble them. You are saying the fans have failed? Are you referring to the pump itself? BC the radiator assembly doesnt have a fan in it. It's external and its 80mm and mounted to the z820 hood or "shroud" that drops down over top of...
  13. Storm-Chaser

    E5-2696 V2 CPUs for $325!

    Yeah you know whats up! Pretty sick processor right?
  14. Storm-Chaser

    Help on memory config HP DL380 G7

    I have the same server and I have populated all the ram slots. I might be able to help. But I think the first thing to do is settle for identical memory. You have too many variables in play right now to properly assess the problem. Please post the specific memory part numbers here and we can hope.
  15. Storm-Chaser

    E5-2696 V2 CPUs for $325!

    Yes these attributes you listed likely make it the more attractive option. But if you are looking at raw performance, I think that's the concept we are dealing with here. They are very very similar processors, nearly identical, regardless of our semantics here. Although cost is relative. The...
  16. Storm-Chaser

    Setting up hybrid liquid metal cooling loop for my z820

    Yup agreed and for all, specific heat capacity is the measurement of how much energy (in J) has to be added to 1 kg of a substance to increase the temperature of that substance by 1oC. Simply, substances with a low specific heat capacity heat up quickly - but then they lose their heat quickly...
  17. Storm-Chaser

    Setting up hybrid liquid metal cooling loop for my z820

    Gallium is approximately two times more viscous than water. Which is not so bad when you think about it. The notion of a shielded electromagnetic pump appeals to me in this situation. They have no moving parts, consume less power than a conventional pump and are pretty much silent. There was an...
  18. Storm-Chaser

    Setting up hybrid liquid metal cooling loop for my z820

    Believe it or not, these little guys are capable of cooling a 2687w v2! In fact they are mandatory for that processor, which is a 150W TDP processor. As you can see, its a closed system. But very easy to take the sleeve off and drain, flush and fill with gallium (galinstan) and get right to...
  19. Storm-Chaser

    E5-2696 V2 CPUs for $325!

    Yes, this is the most reasonable conclusion I have seen offered for this discrepancy between the two chips relative to performance. I cant confirm this right now, but I have a hunch that all OEM processors in the 2600 v2 series have no limit on base turbo clock. ie. 2673 v2
  20. Storm-Chaser

    E5-2696 V2 CPUs for $325!

    My z820 rig with two 2696 processors says this might not be true. Bench marks are pretty much spot on between both processors. Both long and short duration benches as well. You can't just assume the higher wattage processor is going to have better turbo clocking. It's only a 10 watt difference.