[SOLVED] Help with 3950x ram choice please...

[Nucl3ar]

Hey all building my first system in like 15yrs and would like to get back into Overclocking. The system will be used for pretty much everything (gaming, streaming, video editing), so I'll be looking for the best stable performance I can get. I'll looking at a couple different options to go with my build so I'll list those, and then the full specs below that....

G.Skill Trident Z Royal 2 x (2x16) 3600 Cas 16 16-16-36 B-Die
G.Skill Trident Z Royal 4x16 3600 16 16-16-36 B-Die
G.Skill Trident Z Royal 4x16 3600 16-19-19-39

3950x
Asus Crosshair 8 Hero x570
Gigabyte 2080 ti Aorus Master
Nzxt x73

Really just wondering how much more I'll get outta the B-Die chips, and if choosing two 2x16 sets over a 4x16 matched set will make much of a difference? Been outta the loop since the old Athlon XP days, so I'm excited to get back into it.

Thanks in advance for any input.

 

[Nucl3ar]

I think you should consider the 3200 4x16 b-die.

I got the 4x16 3600 16-16-16 b-die Royal

 

[Darkbreeze]

Nice man. Be sure to post the finished build, or even steps along the way, here:

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If you want of course.

 

[exroofer]

Most users simply can't get a four DIMM set of sticks above 2933mhz to work, even on X570 with a Ryzen 3000 series CPU. This is really nothing new though. Trying to overclock a 2 DIMM kit or tighten the timings, is MUCH easier than with a four DIMM kit, on ANY dual channel platform. In fact, in many cases with four DIMMs you, again, simply can't. I can run two of my 3000mhz CL15 sticks at CL13, or at 3200mhz with CL14, no problem. With four DIMMs, I can't deviate from the XMP profile speed or timings, AT ALL, without problems.

And I'm on Z170 with a 6700k, which is a lot more forgiving than any of the Ryzen chipsets and CPUs. It wouldn't be worth the headache.

Hmmm, maybe I'm just lucky? I recently upgraded to a 3900x from a 1600x, in the Crosshair 6 system I built a couple years ago with this specific upgrade path in mind.
One of the "overkill" things I bought then was 2 x 8 Gb of Flarex CL14 B-die. Which was pretty spendy, especially in CDN dollars.
Bought another 2x 8 GB kit of identical memory along with the cpu. Dropped it in, 30 seconds in bios, done.
3200 CL 14 across the board. Will have to look at tweaking subtimings when I'm motivated. For now I just DOCP'd it and let it default. Yes I know that is not the best it can be. But it was stupid easy, in my case.

Since the only part changes were the cpu and 2 more sticks of ram, gonna say the imc on 3xxx Ryzen is pretty darn forgiving compared to first gen. That took a lot of work and waiting on bios updates to be happy at 3200 CL14.
But ya, 2 sticks is always simpler to tweak.

 

[Darkbreeze]

When you use the best memory and one of the best boards available at the time for that chipset, chances of success go up dramatically. When you also use a much newer CPU that has baseline support for that memory speed, that doesn't hurt either.

It doesn't change the fact, as you say and as I said before, that four DIMMs generally brings more problems that two. Additionally, any CPU overclock you accomplish with only two DIMMs installed stands a good chance of no longer being stable or thermally compliant once you add two more DIMMs, so re-testing the overclock for stability, both CPU and memory stability, and thermal compliance, are a good idea.

 

[Nucl3ar]

Hey quick question do you guy's think a 750w PSU will be enough to power this system adequately? I have a 850w on backorder and isn't looking like it's gonna be in stock anytime soon, and can get the same in 750w now. White case with white psu but I'm also considering grabbing the black version in 850 if the 750 won't be enough.

 

[Darkbreeze]

If it is a quality unit, then it is MORE than enough. A good choice actually. 850w is too much unless you are going to be putting HIGH level overclocks on the CPU, memory AND graphics card, plus running a bunch of drives, RGB light strips and 10 fans. You won't be doing that, not at the level I'm talking about. 750w is plenty IF it is a quality unit.

 

[Nucl3ar]

It is a Corsair from the RMx series which from reviews it's an above average unit. I do plan on overclocking all but not to crazy levels. I'm "hoping" to get at least 4.2/4.3 out of all cores while running xmp still. Only drives are the two m.2's and one sata storage drive. Actually I miscounted I'll be running 13 fans as I plan on running the stock fans that come with the X73 in the rear compartment of the O11 in push/pull. Led strip wise only the stock one build into the front of the case, and maybe install one on the bottom. Sadly though even though it's retail the 750w will cost me more due to higher shipping costs. As said this is going to be a white/black build so the Black psu would work as well. The main power and gpu connectors will be run with LL Strimer Plus extensions which I forgot to add.

 

[Darkbreeze]

The RMx is an excellent unit.

750w is more than enough, even with a 2080 ti. That configuration only needs about 550w in reality. Those extra 200w will MORE than cover any "extras" such as overclocking, fans, drives, lighting or cooling requirements beyond what you'd expect to see in most standard configurations.

 

[Nucl3ar]

Your estimate is pretty close Partpicker has it listed at 588w not including the extra fans, strimers, and rgb. I'm gonna give it through the weekend keeping an eye on my options, and when my stuff starts showing up next week I'll make the decision based on how quick I want to build.

 

[Darkbreeze]

PCPP, just like RealHardTechX, overestimates to err on the side of "you bought a POS power supply", so that even with a mediocre model their estimate will likely land you at a capacity that doesn't instantly eat shorts. With a good quality unit you are safe with a lower capacity model than what is listed here, not counting any overclocking, which I estimated into the equation earlier. If you get too big of a unit, you start running into the potential for not using ENOUGH power at idle, which can cause weird noises and all sorts of other efficiency related problems. Usually, with a high quality unit, that's not an issue, but it happens occasionally on some models. For an excellent unit like the RMx, HXi or AXi, from Corsair, 750w is plenty unless you are running dual cards and then you want a much higher capacity unit but dual card configurations make no sense these days anyhow.

This is the gold standard for recommendations.

http://www.realhardtechx.com/index_archivos/Page362.htm

 

[Karadjgne]

RMx above average? Not even close. The RMx is good enough quality that the 'above average' units are still far below it. As Darkbreeze said, Excellent is a much more accurate word.

With that class of psu, a 650w is plenty big enough to cover almost anything. So you have options other than the 850w.

 

[zx128k]

USB-C boasts much faster charging and can deliver power at up to 100 watts at 20 volts. You need to acount for the posibility of USB-C devices and the maximum power requirement of 100 watts. Example https://www.amazon.co.uk/Sweex-SP006-Speaker-100w-Silver/dp/B000E0WJGE 100 watt speakers. A wall outlet is not required as the speakers are powered via the USB connection.

 

[Nucl3ar]

I ended up finding the 850 white in stock so grabbed it. Full system bought and paid for and my first package actually showed up today....now the waiting game.

 

[Darkbreeze]

Nice. I just got a set of 2x16GB 3200mhz CL14 Trident Z sticks today myself to replace my 3000mhz 4x8GB CL15 Trident Z sticks. It was a bit more involved that it should have been, but smooth sailing now. Took a week to get them from Newegg when it normally only takes two or three days.

 

[Nucl3ar]

Congrats! With mine everything has shipped but my aio, psu, and my 8 pin strimer cable. I wasn't too happy with Best Buy as I bought an open box monitor, and the next day they lowered the regular one below the price I paid. As they have a low price policy I thought they would do something better then to tell me to order another one at the sale price, then return the other one. For the $20 saved and not opened it's not really worth the time I'd have to put in to ship it back, and wait for a refund.

Like 2mins after I posted this I got a notification my Strimer shipped. Almost there and the remaining two are from the same place so they shouldn't be much longer.