What memory to put in the server?

Colleagues, greetings.
There is a intel server with the motherboard S2600WT2R and two processors E5-2630V4.
Also installed memory samsung 8*8 M393A1G43DB0-CPB

It is necessary to increase the RAM.
1) firstly, I have not found specs with the tested memory. I assume that the memory still need to put the same manufacturer who has practical experience?
2) Limitation - rank RDIMM and 2, but this? Frequency the processor supports the 2133, but was not always critical to put more memory frequency - just have to work at least. Now on sale in the main 2400 and more.
3)If you consider the fact that the memory controller Quad-channel, does this mean that you need to buy at least 8 modules, for optimal performance?
June 5th 19 at 21:46
3 answers
June 5th 19 at 21:48
The specification I was referring to the list of tested memory modules, General requirements I certainly found it. - jorge_Emmerich65 commented on June 5th 19 at 21:51
June 5th 19 at 21:50
DDR4 ECC RDIMM/LRDIMM 1600/1866/2133/2400

Frequency is not important, as mentioned above.
The manufacturer is also not important, because this is not a RAID array, where almost everything must be 1B1.
If you want to see in practice, we take, for example, memory Kingston and Crucial memory and shove in a home PC. You will see that there will be no conflict because the PC is still a producer, it is important timings, frequency etc
One thing a home computer, another server)
Well and Yes - always worked, though at different vendors, even on different frequencies. Chose this option - kingston_kvr21r15d8k432 will take two sets. In settings completely identical to mine. - jorge_Emmerich65 commented on June 5th 19 at 21:53
Everything will be okay) - jorge_Emmerich65 commented on June 5th 19 at 21:56
June 5th 19 at 21:52
1. Not necessarily, you can put the memory of the one you buy.
2. Yes, the frequency does not matter, 2400 or 2133 Controller in the processor will decide how it is convenient.
3. Not necessarily, how much money is enough so many can buy. Do not have to use the memory controller.
On item 3, what probably will work is, I understand, but do not want to lose the multi-channel mode. If I put 2 more straps for 32GB, you'll likely lose in speed. - jorge_Emmerich65 commented on June 5th 19 at 21:55
Well speed is not too much will fall. but yeah. It depends what the server spinning. in most cases the difference will not be straight. - jorge_Emmerich65 commented on June 5th 19 at 21:58
You can also just use just 4 channels. instead of 4x4 - Eliane48 commented on June 5th 19 at 22:01
The problem is that appropriate to me laths on 8 GB almost there, and buy 8 to 16 already expensive (and not need me so much))
Inclined to buy 4-16.
What mean "use just 4 channels. instead of the 4x4"
4 channel goes to the processor, the memory still will have to split between the two processors. - jorge_Emmerich65 commented on June 5th 19 at 22:04
Well , so You can buy 4 at 16 and to distribute. between the two processors. but still have to lose channel mode. - Peter2 commented on June 5th 19 at 22:07
Yes , apparently, will have to do. - Peter2 commented on June 5th 19 at 22:10
Found that intel does not recommend anything mix)
The following configurations are not validated, supported, or recommended:
Mixing of RDIMMs and UDIMMs
Mixing memory type, size, speed, and/or rank
Mixing memory vendors
Non-ECC memory - jorge_Emmerich65 commented on June 5th 19 at 22:13
Yes, use memory of the same type. ECC RDIMM, or LRDIMM
Yes, any server manufacturer does not like this. but the work will be complete. so you can stick 4x16 one vendor and market place. - Peter2 commented on June 5th 19 at 22:16
, Well, I now have 8 modules of the same type))
Of course I would like to keep the multi-channel memory. The choice between the same manufacturer, but a smaller number of laths, or the same number of bars, but other vendor.
Until I found this option:
5afc4a3ecc812839114269.jpeg - jorge_Emmerich65 commented on June 5th 19 at 22:19

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