Question How can I be sure I am getting RAM chips from a vendor that are from the same lot and are compatible?

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I tooth

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Dec 27, 2014
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How can I be sure I am getting RAM chips from a vendor that is from the same lot and compatible with each other? I am building a new system and want to know how to be sure the vendor I buy my RAM from sends me compatible chips. I can populate four DIMMS with DDR5 chips up to 256 GB.
So, how can I be sure if I bought 4x48GB/chip that they will play nicely with one another?
 
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Ram will be sold per a batch that made it's port entry. So the kit you get will likely come from the same lot or ram kits that entered your country, assuming you're purchasing from a seller local to you and not overseas.

Where are you purchasing said rams? It's pretty hard for anyone selling an item to send something that's not a match with their SKU. In the event the seller does make a mistake, you return the unit with proof that it's not what you had ordered.

Perhaps pass on the link to the ram kit you're looking at. Lastly, you should look into ram kits, not individual sticks of ram.
 
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I tooth said:
How can I be sure I am getting RAM chips from a vendor that is from the same lot and compatible with each other? I am building a new system and want to know how to be sure the vendor I buy my RAM from sends me compatible chips. I can populate four DIMMS with DDR5 chips up to 256 GB.
So, how can I be sure if I bought 4x48GB/chip that they will play nicely with one another?
Click to expand...
If you buy it as a set, it will work.
4xWhatever.

If you buy two different sets of 2x...it may not.

But...it is generally better to get 2x of whatever, instead of 4x.

Want 32GB, get 2x16 instead of 4x8.
 
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I tooth said:
How can I be sure I am getting RAM chips from a vendor that is from the same lot and compatible with each other? I am building a new system and want to know how to be sure the vendor I buy my RAM from sends me compatible chips. I can populate four DIMMS with DDR5 chips up to 256 GB.
So, how can I be sure if I bought 4x48GB/chip that they will play nicely with one another?
Click to expand...
That is the whole purpose of a matched set. You buy ALL the RAM in a set. The manufacturer has tested and guarantees the RAM to work as a set.
 
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You spending huge money and do not know the very basics of memory purchasing.

Step 1 is to go to asus site and find the compatible memory.

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Next select the memory size you want. When you put in 256 there are only 2 kits that have been tested to work and they are made by corsair.

If you buy this exact part number it will likely work.

You are wasting money looking at ddr5-8000 it will never run that fast. You have read all the fine print to see what is the fastest memory that will run in different configurations. Running 4 sticks of memory always decreases the maximum rate.

The recommended corsair kits can only run at 5200 even going to 4x 32gb you are still limited to 5600.
 
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The QVL table will give you a good indication of the maximum configuration options.

The first things you have to remember is most these clock speeds are overclocked and there is no guarantee the particular cpu chip you own can exceed the base rates no matter what QVL list you find.

You have 2 sets of fine print. The first is from intel and you need to look up what is supported by the chip in different configurations. It is even more complex than just the number of slots the number of "ranks" on the memory sticks also impacts the numbers. The next one is for the motherboard. It is likely in the manual someplace.

You generally have to make a trade off. You get more total memory but it runs at slower speeds. I think in you case to run the very fastest memory the maximum you can have is 48G running as 2 sticks with 24GB each.

You quickly get into the weeds when you look at memory. You have another important factory which you see marked as "CL" . This is the timing. This also is a trade off.

In the end it likely all doesn't matter. For most application the total memory is much more important than the speed it runs at. 256GB is a huge amount of memory. Most people are running with only 32GB....it all depends on what application you feel needs that much memory.
 
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