Is the same RAM?

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alexch

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Mar 6, 2015
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I have installed in my computer a KINGSTON HX421C14FBK2/8 8GB (2X4GB) DDR4 2133MHZ DDR4 HYPERX FURY DUAL CHANNEL KIT
and I'm interested in increasing the RAM. I have seen this
KINGSTON HX421C14FBK4/16 16GB (4X4GB) DDR4 2133MHZ HYPERX FURY BLACK SERIES QUAD CHANNEL KIT

Is this the same RAM, but the simply, in the first one there are 2 rams, and in the second one there are 4 rams or they are diffrent rams? Can I use both of them without problem?

Having ASUS X99-A, Core i7-5820K, GTX 970

Sorry for my English!
 
Solution
geofelt
You could possibly use them, but no guarantees.
Ram is sold in kits for a reason.
A motherboard must manage all the ram using the same specs of voltage, cas and speed.
Ram from the same vendor and part number can be made up of differing manufacturing components over time.
Some motherboards can be very sensitive to this.
That is why ram vendors will NOT support ram that is not bought in one kit.
Although, I think the problem has lessened with the newer Intel chipsets. Still,
it is safer to get what you need in one kit.
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geofelt

geofelt

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Oct 9, 2006
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You could possibly use them, but no guarantees.
Ram is sold in kits for a reason.
A motherboard must manage all the ram using the same specs of voltage, cas and speed.
Ram from the same vendor and part number can be made up of differing manufacturing components over time.
Some motherboards can be very sensitive to this.
That is why ram vendors will NOT support ram that is not bought in one kit.
Although, I think the problem has lessened with the newer Intel chipsets. Still,
it is safer to get what you need in one kit.
 
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Solution
Tradesman1

Tradesman1

Legenda in Aeternum
Jun 5, 2013
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______________

+1

Also the Fury operate off PnP, so having additional sticks other than what's in a single pack, there's a good chance they won't set up correctly, say the tRFC for the 4 stick pack won't be high enough to carry 6 sticks. Best bet is to get a single package of the full amount of DRAM you want/need
 
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geofelt

geofelt

Titan
Oct 9, 2006
54,298
4,145
174,240
same problem.
All stick in a pc must be matched.
That is why a 4 stick kit costs more, it is harder for the manufacturer to match 4 sticks vs. 2.

If you own the ram, try it out.
Usually adding a bot more than stock voltage will make them run.

If you don't have the ram, buy a kit of the capacity you need with the specs you already have.
You will at least run with what you need, and if your old sticks work in conjunction with the new, so much the better.
 
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