Corsair memory "name" significance

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EmmaDobozi

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Jun 26, 2013
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Sorry, I am not able to understand memory specs form the name.

I would be able to buy some good price Corsair CMZ8GX3M2A1866C9 : kit 2 x 4 GB

It left about 6 hours to decide ; I was reading all week articles, in order to understand issues concerning processor and memory size.

This is not on the QVL list provided by manual ; nor in the QVL attached to MB
ASUS M5A88-V-EVO
The manual is stating that the list it comprises relates only to AM3 processors, not to AM3+
(I chose a AMD FX X6 6300, 3500MHz, 14MB, socket AM3+)


Furthermore, I would be happy to achieve some tighter timings.

I would be grateful if someone would be able to give advice.
 
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EmmaDobozi

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As result of a fortunate querry, I got the meaning of each element of name.
http://forum.corsair.com/v3/showthread.php?p=413430
But this did not get me any closer : as I see on forums, choosing memory outside the QVL seems risky.
Available memory in Romania seems to be different (different versions, different letters inside the name ; I suppose they are newer versions then in the QVL, but who might know).

Other non-QVL versions, that are available :
Kit Dual Channel Kingston 8GB (2 x 4096MB), DDR3, 1866MHz : KHX18C9T3K2/8X
Kit Dual Channel Kingston 8GB (2 x 4096MB), DDR3, 1866MHz : KHX18C9T2K2/8X




 
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EmmaDobozi

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Finally, considering the height of cooler on the memory modules I was initially thinking about, I drop them in favor of ones having a little bit lower radiator, with 1866 MHz rated freq. from KingSton
Thank you for your help.
Emma


 
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EmmaDobozi

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PC is working well -- it proved that 8 GB memory is more than enough for the tasks I need.
The memory I chose was : 2 x Kingston KHX1866C9D3/4GX in a set.
Dimensions : 132 mm x 41,4 mm ; heat spreader total height 46,41mm ; widt 8,60 mm
Even with memory relatively low-height, it was not easy to install the radiator and the fan.
The first bank (slot) would have not been usable with the chosen memory / fan combination -- so filling the 4 banks would have not been possible.
The blue memory banks (slots) would have been better to use (at least this is stated somewhere on forums) ; I had to use the black ones
It was quite difficult to start main-board as the PS2 keyboard was not accepted / BIOS was not associated automatically the processor and memory speeds. For me, it was very strenuous to solve.
After some use, I made changes in BIOS regarding memory timing, improving a little more the performance.
kept Working 1,65 V = normal
CAS# Latency (CL) = 9
RAS# to CAS# Delay (tRCD) = 11
RAS# Precharge (tRP) = 9
Cycle Time (tRAS) = 24
Bank Cycle Time (tRC) = 40
Command Rate = 1T

After some serious doubts and measurements of power drawn from the source (an older one 400 W, meant for previous generation power requirements), I installed a simple graphic card (Radeon HD 5500, DDR3 1024 MB (800 MHz) Gigabyte) -- and disabled in BIOS the on-board graphic (integrated in the North Bridge).

 
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