There are CL32 48GB kits, I think they are Corsair dominators if I remember correctly, but not at OCUK
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AMD Zen 5 rumours
- Thread starter Grim5
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6000c30, 7000c32, 7200c34 and all the way up to 8200c38 are about
not sure how much tuning they'll take but imagine the higher frequencies will have the possibility of lowering timings for whatever frequency your IMC can manage
Caporegime
6000c30, 7000c32, 7200c34 and all the way up to 8200c38 are about
From what i gather going over 6400 is pointless as the IO die can't do more than 2133Mhz FCLK 1:1 fabric ratio, it can on rare occasion but its unlikely.
I find that a bit daft personally, i have run mine at 1900Mhz FCLK, its a Ryzen 5800X, they only made an iterative improvement to the IO die Zen 3 to Zen 4 and none at all Zen 4 to Zen 5, its actually running at a 3:1 IMC ratio with Zen 4/5 as opposed to 2:1 IMC ratio with Zen 3. it clocks maybe 15% higher due to a process node upgrade but that's about it.
IMO from Zen 3 to Zen 5 they should really be running it upto 4000 2:1 IMC ratio for those 8000MT/s speeds on the RAM, just brining it back to a 2:1 ratio would on its own increase gaming performance a chunk, this with DDR5 IMO.
You get the sense that they played it safe because "its good enough" well it could have been better if you had actually put some engineering time in to the IO die.
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Soldato
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- 28 Sep 2018
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Just a fun reminder that running r23 to check anything related to ram stability is time wasted. Happy crashing.
Soldato
After a bit of time and tweaking my kit i'm finally back in windows, timings are a fair bit tighter from oob, backed down to 8000mhz, my 9950x is a bit of a lemon with its infinity fabric clock, anything over 2100mhz and the system goes nuts at post, have to reset cmos a few times to get it to boot again, lots of trial and error. 
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That was one of the biggest disappointments on zen 5 for me that they didn’t really improve the memory controller especially as DDR5 8000 is pretty common and we’ll soon have 9000+ kits.
Caporegime
Unlucky, I’ve tried half a dozen 9950X and all but one of them liked 2200FCLK.After a bit of time and tweaking my kit i'm finally back in windows, timings are a fair bit tighter from oob, backed down to 8000mhz, my 9950x is a bit of a lemon with its infinity fabric clock, anything over 2100mhz and the system goes nuts at post, have to reset cmos a few times to get it to boot again, lots of trial and error.
Are you using an A Die or M Die memory kit? Share your zen timings and max preferred voltage and I’ll give you some timings to try on Karhu.
Caporegime
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Karhu+TM5 Extreme, it's the only way...
Soldato
this is where i ended up, touching GDM in the bios throws up loads of memory error codes at post, have to use my old 6000mhz to get the pc running, then switch back 
funny enough i followed a link that was posted on the ocuk website review of the kit of ram i purchased, inputted the values a few times not relising my fclk clock was the cause of all my troubles
this was my kit oob, only thing changed was docp to 8000mhz, i tweaked the speed to 8100mhz
funny enough i followed a link that was posted on the ocuk website review of the kit of ram i purchased, inputted the values a few times not relising my fclk clock was the cause of all my troubles
this was my kit oob, only thing changed was docp to 8000mhz, i tweaked the speed to 8100mhz
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Because it all fits within the L3 cache or something?
Caporegime
I don't think AMD are trying hard enough at the moment, they are good CPU's but because of that complacency seems to have set in.
"For Zen 4 lets just die shrink the IO die from Zen 3, for Zen 5 lets just reuse the IO die from Zen 4" could have been better....
AMD may get a shock when Arrow Lake gets reviewed, they have not kept the pressure on Intel and allowed them to catchup. They may regret that.
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Caporegime
Rumour is AMD are bringing Zen 6 forward, which is messy not least because now you have a bunch of Zen 5 stock you didn't move because you didn't make them as good as they could have been, your competitor also regains some positivity, some kudos.
When your competition is Intel the words "that'll do" should never ever be uttered by anyone.
When your competition is Intel the words "that'll do" should never ever be uttered by anyone.
After researching all the new 800 series motherboards this one is by far the best high end option that gives you pretty much everything and you can run 5 M.2 without cutting into the GPU lanes.
My basket at OcUK:
My basket at OcUK:
The best performance AM5 boards with 800 series chipset will be those with 2 DIMM slots only, allowing for higher memory speed.
Well they don’t exist yet unless you want an ITX.
Compared to everything out currently nothing can touch this in terms of what your getting for the price, it even packs a better VRM than the hero.
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Not bad, and nice to see ASRock finally putting thermal sensor pins on their mbs.
Sadly no pcie 3/4 x4 slot for my venerable Optane 480gb which still creams all other ssd's at random read/writes and endurance.
Asus PROART X870E-CREATOR WIFI (Socket AM5) DDR5 ATX Motherboard
Order Asus PROART X870E-CREATOR WIFI (Socket AM5) DDR5 ATX Motherboard now online and benefit from fast delivery.
www.overclockers.co.uk
That might suit you.
Asus? Thank you but errr.... no thank you
Looking at the Gigabyte models, I've had an X570S Aorus Master for the last couple of years and it has been solid.
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One of the few boards I've seen with 10Gb/s ethernet lan on board. I was hoping there would be one that comes with a front USB4 port, but the USB-C 20gbps port would have to do. I don't think there are many cases with a front USB4 port either (yet), apart from the ridiculously priced ROG Hyperion GR701.Asus PROART X870E-CREATOR WIFI (Socket AM5) DDR5 ATX Motherboard
Order Asus PROART X870E-CREATOR WIFI (Socket AM5) DDR5 ATX Motherboard now online and benefit from fast delivery.
That might suit you.
Back to waiting for my mobo, apparently the "In Stock" I saw yesterday was a website bug and I have gone for the refund.
At least my M2 arrived today, it is so weird seeing a flat plack case that I have to assemble but the finishing on the case is sublime, top quality so Im happy.
At least my M2 arrived today, it is so weird seeing a flat plack case that I have to assemble but the finishing on the case is sublime, top quality so Im happy.