Adding RAM to an existing HyperX Fury 2x4 kit.

[galaxyminotaur]

Alright, in my PC I've already got the following kit:

2x Kingston HyperX Fury Black DDR4 4GB 2133MHz CL14

Now, I bought 8 gigs because od budget issues and I thought it would be enough, but it isn't. Now I want to add 8 more.

What I do not know, is what exactly has to be the same and where..

I found someone's post that said the frequency, latency and voltage should be as close as possible, as the ram will work on the lowest setting of the sticks you put in.

But does that mean per dual-channel pair? The 2 existing sticks are in slots 1-3 (dual channel par, the other is 2-4), so if in slot 2-4 i put, for example, 2x4 Corsair do they have to be the same as the Kingstons? I'd like to know more about that.

These are my options:
Crucial 4GB 2133MHz CL15 CT4G4DFS8213 288-Pin

Crucial 4GB 2400MHz, CT4G4DFS824A, PC4-19200 DDR4 1.2V Non-ECC CL=17 240-pin DIMM 288-pin

Kingston KVR24N17S6/4 DDR4 4GB 2400MHz 1.2V Non-ECC CL=17 288-pin DIMM

G.SKILL Aegis 4GB, DDR4 2400MHz, F4-2400C15S-4GIS, CL15, 1.20V

Corsair Vengeance LPX 4GB, CMK4GX4M1A2400C16R, DDR4, 2400MHz, CL16, 288 Pin, 1.2V, RED

(Be advised, this the offer I got from a local retailer, that's why some of the info is doubled and inconsistent, the usual troubles that have to be dealt with :/ )

 

[herrwizo]

Mixing memory = no guarantees that it will work, period. In 90% of the cases, it does work. It is up to you whether or not you are willing to take this risk. Because when it doesn't... you get BSODs, reboots, inability to POST and all kinds of trouble that are not worth losing your nerves over.

The simplest and most effective solution would be: sell your kit (or return it if possible), and buy a new matching pair of 2x8GB memory.

 

[galaxyminotaur]

That's a pretty good idea, I haven't thought of selling my existing kit and buying a new 2x8 one. Thanks!

 

[herrwizo]

No problem. By going that way, you also leave 2 slots free for another potential upgrade in the future.

 

[galaxyminotaur]

No problem. By going that way, you also leave 2 slots free for another potential upgrade in the future.

See, that's something that confuses me.
I bought a 2x4 Kingston kit thinking I'd have 2 more slots for a future upgrade, but now when the time came, I found out that unless you buy kits, there's no guarantee for RAM modules to work with each other, even if they are of the same company and same characteristics..
Does that not mean that if in the future I want to upgrade my 2x8, I'll be in the same predicament?

 

[herrwizo]

Yes, unfortunately. However, you will likely still be able to find the exact memory kit on the market even after a few years (2nd hand in worst case), provided you don't buy some no-name modules.

And there is also one crucial difference between using 4x4GB and 4x8GB: the latter uses your full mobo capacity, the first one only half. If you really need to use all the slots, it better be the highest capacity each slot can accept.

 

[galaxyminotaur]

Yes, unfortunately. However, you will likely still be able to find the exact memory kit on the market even after a few years (2nd hand in worst case), provided you don't buy some no-name modules.

And there is also one crucial difference between using 4x4GB and 4x8GB: the latter uses your full mobo capacity, the first one only half. If you really need to use all the slots, it better be the highest capacity each slot can accept.

Alright, thanks for all the info, you rock! 😀