Friday, April 4th 2025

G.SKILL Announces World's First Large Capacity 128GB (64GBx2) DDR5 Overclocked Memory Kit at DDR5-8000

G.SKILL International Enterprise Co., Ltd., the world's leading brand of performance overclock memory and PC components, is thrilled to announce a new high-speed memory overclock DDR5 specification with an ultra-high kit capacity - DDR5-8000 CL44 with 128 GB (64 GB x2) kit capacity. This is the world's first DDR5 memory kit with 64 GB high-capacity modules to reach the extreme overclock level of DDR5-8000, setting a new milestone for high-performance computing, content creation, AI applications, and advanced workstation workloads.

New Era of Overclocking High-Capacity DDR5 64 GB Modules
Engineered for high-capacity overclocked performance, the DDR5-8000 128 GB (64 GB x2) combines ultra-high memory speed with massive memory kit capacity, surpassing the previous module capacity maximum at 48 GB per module. At last, power users and content creators who seek overclock performance memory for capacity-hungry applications will have the ideal DDR5 memory solution. Refer to the validation screenshot below to see DDR5-8000 CL44-58-58 128 GB (64 GB x2) tested on the ASUS ROG CROSSHAIR X870E APEX motherboard with the AMD Ryzen 9 9950X desktop processor.
Extreme Speed DDR5-9000 CL48-64-64 64 GB (32 GB x2) Kit Specification
Dedicated to the continual development of extreme overclock performance memory kits, G.SKILL is also announcing an extreme-speed DDR5-9000 CL48-64-64 memory specification at 64 GB (32 GB x2) kit capacity. See the Memtest screenshot below to see this memory specification running on the ASUS ROG MAXIMUS Z890 APEX motherboard with an Intel Core Ultra 7 265K desktop processor.

"We are very excited to announce the world's first overclocked DDR5-8000 memory with a total kit capacity of 128 GB," says Frank Hung, Product Marketing at G.SKILL. "This is yet another milestone for DDR5 overclock performance that G.SKILL has successfully reached, surpassing all previous limits to demonstrate never before seen memory specifications."
Source: G.SKILL
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22 Comments on G.SKILL Announces World's First Large Capacity 128GB (64GBx2) DDR5 Overclocked Memory Kit at DDR5-8000

#1
bug
My first PC had 2MB RAM. My current one has 32GB. Still, if the price is right, more RAM never hurt anyone.
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#2
dgianstefani
TPU Proofreader
bugStill, if the price is right, more RAM never hurt anyone.
32/64 GB of faster, tighter timing RAM is better in 99% of situations, not to mention cheaper, unless you regularly use more than that, which is not the case for 99% of users.
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#3
Ravenmaster
I would much rather lower the MT/s and run those sticks with tighter timings.
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#4
Jermelescu
RavenmasterI would much rather lower the MT/s and run those sticks with tighter timings.
Same
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#5
bug
RavenmasterI would much rather lower the MT/s and run those sticks with tighter timings.
Meaning what? Every kit is capable of lower timings if you lower its speed.

Also, when you need that much amount of RAM, even the loosest of timings are still better than not having enough RAM, but having tighter timings.
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#6
Dirt Chip
Just need a 4 of those 64Gb kind as a set and I'm good.
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#7
bonehead123
"I feel the glam...the glam for RAM" - Maverick/Goose (well, sorta) :D

Given the price history of the Royal Z series, I doubt that very many average-joe users will be able to justify the cost of these, at least at first anyways....but corporate IT depts will probably be all over it, and I know my techs will be foaming at the mouth for them....like they always do when new stuff comes out, but then again, they know the company has deeeep pockets, so there's that !
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#8
HBSound
I love that I use two of these on my ITX machine. Is it a gamble to insert this in a motherboard, such as the Asus ROG STRIX X870-I GAMING WIFI (2 x DIMM slots, max. 128GB, DDR5, supports up to 8400+MT/s(OC) with Ryzen™ 9000 Series Processors), because the AMD 5 only sees 2x1R_DDR5-5600?

How can someone be sure that the CPU is going to support this kind of RAM?
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#9
dgianstefani
TPU Proofreader
HBSoundHow can someone be sure that the CPU is going to support this kind of RAM?
It will definitely work at DDR5-3600, which is what AMD specs for more than 32 GB.

Beyond that is rolling dice.
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#10
bug
HBSoundI love that I use two of these on my ITX machine. Is it a gamble to insert this in a motherboard, such as the Asus ROG STRIX X870-I GAMING WIFI (2 x DIMM slots, max. 128GB, DDR5, supports up to 8400+MT/s(OC) with Ryzen™ 9000 Series Processors), because the AMD 5 only sees 2x1R_DDR5-5600?

How can someone be sure that the CPU is going to support this kind of RAM?
Like @dgianstefani said, it's a gamble.
For speeds outside JEDEC standards, even motherboards that advertise support can play the "not on QVL" card when it goes south.
Having said that, I just buy mildly overclocked RAM, never heard an unpleasant surprise.
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#11
RejZoR
dgianstefani32/64 GB of faster, tighter timing RAM is better in 99% of situations, not to mention cheaper, unless you regularly use more than that, which is not the case for 99% of users.
Depends on workloads. In general, having more RAM at any speed is better than less at ridiculous speed. When system starts swapping because of insufficient memory, no 8000 MT memory can help you because even the slowest one will outperform it. I had to upgrade mine to 64GB at "just" 3600 MT because my image editing workloads exceeded 32GB of memory and everything just stalls horribly at that point.

So, first you have to make sure that never happens for your needs. After that is solved, now you look at speeds that make sense. I usually check memory clock and timings scaling reviews to see where speed benefits flatten and it's pointless to buy faster RAM beyond that at stupid extra cost and no benefits just to have large number. For Ryzen 5000, sweetspot was between 3600 and 3800 MT, usually 3733. You could use 4000 MT for premium price and often lower performance. 3733 with tightest timings possible was ideal.

I've fallen a bit out of loop with DDR5, but I think all the same still applies.
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#12
HBSound
Thank you all.
The biggest thing I like about what I see is the 64GBX2 RAM in the ITX. I use a lot of CAD-based software; the first resource it jams on is the RAM. The more RAM, I have, allows me to use the software in way to enjoy large or small files sizes.

In this situation, I would get the RAM for the sake of 64GB X2, but I would have to slow it down to at least 6600 speed.
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#13
AGlezB
bugMy first PC had 2MB RAM.
Youngster. :D

My first PC had 256 Kb (later expanded to 640) and you could turn it on and go read the newspaper, drink some coffee and have a smoke and come back before BIOS POST finished counting it. And that's not the end of it. I had an uncle working for the government at the time and they were still using older hardware with 8 Kb and they've been asking for an upgrade to 64 Kb for years. :laugh:
Posted on Reply
#14
A Computer Guy
HBSoundI love that I use two of these on my ITX machine. Is it a gamble to insert this in a motherboard, such as the Asus ROG STRIX X870-I GAMING WIFI (2 x DIMM slots, max. 128GB, DDR5, supports up to 8400+MT/s(OC) with Ryzen™ 9000 Series Processors), because the AMD 5 only sees 2x1R_DDR5-5600?

How can someone be sure that the CPU is going to support this kind of RAM?
HBSoundThank you all.
The biggest thing I like about what I see is the 64GBX2 RAM in the ITX. I use a lot of CAD-based software; the first resource it jams on is the RAM. The more RAM, I have, allows me to use the software in way to enjoy large or small files sizes.

In this situation, I would get the RAM for the sake of 64GB X2, but I would have to slow it down to at least 6600 speed.
What's seems really cool these days with AM5 is with ITX you could have a 2 monitor setup with iGPU then have massive storage on the x16 and still have 2 NVMe for a really compact workstation. Now with the potential of 128GB the prospect is even better.
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#15
bug
AGlezBYoungster. :D

My first PC had 256 Kb (later expanded to 640) and you could turn it on and go read the newspaper, drink some coffee and have a smoke and come back before BIOS POST finished counting it. And that's not the end of it. I had an uncle working for the government at the time and they were still using older hardware with 8 Kb and they've been asking for an upgrade to 64 Kb for years. :laugh:
I had a Z80 clone before that. But it's not exactly apples-to-apples.
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#16
vbq7qK68eyYAH4iR
RavenmasterI would much rather lower the MT/s and run those sticks with tighter timings.
JermelescuSame
www.gskill.com/product/165/390/1736133296/F5-6000J2636G32GX2-TZ5NR

I was told these would me available in May, in my country.

EDIT: It looks like G-Skill as EOL those dimms. Regular Trident Z5 Neo are now gone and they've added new Trident Z5 Royal Neo's that increase the voltage from 1.40V to 1.45V. I guess they weren't getting the binning results that they wanted at 1.40 and had to make an adjustment, no doubt making these even more expansive.

www.gskill.com/product/165/425/1741936341/F5-6000J2636H32GX2-TR5NS
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#17
HBSound
A Computer GuyWhat's seems really cool these days with AM5 is with ITX you could have a 2 monitor setup with iGPU then have massive storage on the x16 and still have 2 NVMe for a really compact workstation. Now with the potential of 128GB the prospect is even better.
Exactly, with the power in the smaller foot print, will make this extremely unique. Now I just need to see what the price of these jokers are. And the release?
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#19
vbq7qK68eyYAH4iR
igormpThose are 2x32GB, not 2x64GB as in the OP.
True and fair, though they don't offer larger capacity DIMMs with those tight timings, which is why i linked what i did. It seems that currently, the linked DIMMs are the cream of the crop, for high capacity and low latency.
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#20
bug
vbq7qK68eyYAH4iRTrue and fair, though they don't offer larger capacity DIMMs with those tight timings, which is why i linked what i did. It seems that currently, the linked DIMMs are the cream of the crop, for high capacity and low latency.
Well, 2x32GB sticks cannot be the cream of the crop for high capacity when 2x64GB sticks exist.
Whenever you sacrifice capacity, you get to lower latency. That much been true since at least DDR1. But you don't see people running 1GB sticks anymore, imagine how low the latency would be on those these days.
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#21
vbq7qK68eyYAH4iR
bugWell, 2x32GB sticks cannot be the cream of the crop for high capacity when 2x64GB sticks exist.
Whenever you sacrifice capacity, you get to lower latency. That much been true since at least DDR1. But you don't see people running 1GB sticks anymore, imagine how low the latency would be on those these days.
Ok. maybe i should have said best of both worlds, or having it both ways or striking a balance. i dunno man. I was just trying to show a decently high capacity kit with tight timings. I'm sorry i used the wrong words.
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#22
A Computer Guy
Me patiently waiting for 64GB ECC UDIMM modules... :rolleyes: ...meanwhile they already have overclocking RDIMM's.
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