Which is better?

Im not sure the difference between these besides the qtys.

Corsair Vengeance LPX 64GB (2x32GB) DDR4 3600(PC4-28800) C181.35V Desktop Memory - Black

or

CORSAIR Vengeance LPX 128GB (4 x 32GB) 288-Pin DDR4 SDRAM DDR4 3200 (PC4 25600) Intel XMP 2.0 Desktop Memory Model CMK128GX4M4E3200C16

Do they both work on the ROG Zenith Extreme Alpha TRX40?

Not enough information. Post listings.

Corsair Vengeance LPX 64GB (2x 32GB) DDR4 3200(PC4-25600) C161.35V Desktop Memory -Black

vs

Corsair Vengeance LPX 64GB (2x32GB) DDR4 3600(PC4-28800) C181.35V Desktop Memory - Black

Where do I find the pdf for the MSI Creator TRX40 Motherboard

For future reference: the manufacturers usually have those lists under “support” on the product’s page.

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Thanks!

Is there much difference between these two?

From what I’ve seen it’s a pretty small difference between those two combinations. Like 1-3% in most tasks?

Granted the sweet spots still seem to be 3200/CL14 and 3600/CL16, but I don’t think your choices will be particularly hindering.

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OK, Im still having trouble with the memory specs for the zenith extreme alpha trx40. Their spec section on the site shows it only supports up to 3600 but their main product page shows DDR4 4733MHz+ (O.C.)

right now im looking at the Corsair Vengeance LPX 128GB (4x 32GB) DDR4 3200(PC4-25600) C161.35V Desktop Memory

Prob Non OC

Thanks, that helps!

Well I’m getting lost in this since this is all new for me. I read the specs on the above sheet and 3200 and 3600 works but on the official site for ROG Zenith II Extreme Alpha it shows the following and 3200 and 3600 arent listed.

AMD Ryzen™ Threadripper™ Processors

8 x DIMM, Max. 256GB, DDR4 4733(O.C)/4600(O.C)/4400(O.C)/4333(O.C.)/4266(O.C.)/4133(O.C.)/3800(O.C.)/3733(O.C.)/3400(O.C.)/2800/2666/2400/2133 MHz ECC and non-ECC, Un-buffered Memory

I’m not fully sure what you are trying to ask?
But anything higher then 3600mhz on Threadripper is not very likely to happen.

On the asus website there is a memory qvl list of the said board,
that list shows which memory modules that are tested with the board.

Ok, I found a list of compatible ram for the ROG Zenith II Extreme Alpha and I’m posting it here.
*ttps://www.bhphotovideo.com/lit_files/612728.pdf

thanks for everyone’s help to better understand the memory!

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