which RAM should i buy?..

  kipo 11:15 17 Jan 2017
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Answered

so what should i consider before buying a new one? i know that speed and MHz must match, but is it necessary to buy the exact RAM which i currently have? or can i buy another one from other company with same speed and MHz? btw speed is 5-5-5-18 and MHz is 400 right?..

  The Kestrel 14:01 17 Jan 2017

If you use the Crucial scanner click here it will scan your PC and inform you what RAM is compatible with your system.

  boyo123boyo 10:23 20 Jan 2017

It is always recommended to use the same brand. It's also recommended to buy your ram in pairs and configure them in their pairs when putting them onto your motherboard.

While you don't HAVE to match brands, I'd recommended it. Are you aware of the brand/type of your current RAM, not just the speed you have listed above?

Also, the numbers you have provided above don't seem to match speeds of RAM.

  kipo 16:28 20 Jan 2017
Answer

yes, my ram is: Mushkin Redline (

  kipo 16:34 20 Jan 2017

yes, my ram is: mushkin redline, and when i checked the RAM itself, its speed said 5-5-5-15 while CPUID says 5-5-5-18. i should get myself one with 5-5-5-15 right?

  kipo 16:38 20 Jan 2017

and also, what i haven't mentioned is that i have DDR2.

  lotvic 18:15 20 Jan 2017

5-5-5-15 etc is the Timings and CAS latency, see the charts for DDR2 SDRAM click here

I advise as per The Kestrel says, do a check on Crucial site.

If you mix them pc will only work at the speed of the slowest.

  lotvic 18:19 20 Jan 2017

A good explanation on click here

The memory timings are given through a series of numbers; for instance, 4-4-4-8, 5-5-5-15, 7-7-7-21, or 9-9-9-24. These numbers indicate the amount of clock cycles that it takes the memory to perform a certain operation. The smaller the number, the faster the memory.

  kipo 14:51 23 Jan 2017

thx for all the help, i bought ram with same speed and MHz and it works just fine, at first it didnt, but i tryed putting rams in different slots several times and it worked. thx again

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