Intel 9th Gen LGA1151 Processors Support Up to 128GB of Memory

btarunr · Oct 15, 2018

Intel's 6-core "Coffee Lake" die was essentially a "Kaby Lake" die with two extra cores, and no physical changes to other components, such as iGPU or uncore. With its new 8-core "Coffee Lake" Refresh silicon, Intel has turned its attention to not just increasing the core-count, but also improving the processor's integrated memory controller, in addition to hardware fixes to certain security vulnerabilities. The 128-bit wide (dual-channel) integrated memory controller now supports up to 128 GB of memory. Intel's current DDR4-capable mainstream desktop processors only support up to 64 GB, as do rival AMD's Ryzen socket AM4 processors.

Support for up to 128 GB explains the emergence of off-spec memory standards such as ASUS' Double Capacity (DC) DIMMs. Samsung is ready with a JEDEC-compliant 32 GB dual-rank UDIMM memory module for client platforms. Introduction of 32 GB UDIMMs also comes amidst reports of DRAM pricing cool-off through 2019, which could make 32 GB dual-channel memory kits consisting of two 16 GB UDIMMs more affordable. The increase in maximum memory amount could also indicate Intel's seriousness to introduce 3D Xpoint-based Optane Persistent Memory modules as alternatives to DRAM-based main memory, with higher capacities compensating for worse latencies and data-rates compared to DRAM.

View at TechPowerUp Main Site

DeathtoGnomes · Oct 15, 2018

Thats a lot of memory for home PC's. I cant see AMD answering soon enough

Deleted member 67555 · Oct 15, 2018

Thinking it will be obsolete before a home user might need that kind of memory.

lexluthermiester · Oct 15, 2018

While this is an improvement to the platform, it likely will be useful only in workstation applications. Most consumer needs are served well by no more than 32GB.

Cybrnook2002 · Oct 15, 2018

(For the enthusiasts side) Ark still shows 64GB for the 9900k (same as 8700k):

And even if so, where do you even get consumer based 2 x 64GB enthusiast kits? Doesn't seem too exciting, and something more to just fall on deaf ears.

windwhirl · Oct 15, 2018

A RAM drive is the only use that comes to mind that doesn't benefit from many-core CPUs, to justify buying such massive amounts of memory for a MSDT system.

HTC · Oct 15, 2018

jmcslob said:
Thinking it will be obsolete before a home user might need that kind of memory.

Unless you're @xkm1948 and need it for "home use" ...

StrayKAT · Oct 15, 2018

windwhirl said:
A RAM drive is the only use that comes to mind that doesn't benefit from many-core CPUs, to justify buying such massive amounts of memory for a MSDT system.

I haven't even utilized it on my HEDT. Heh. It's the price of another machine.

edit: A damn eyesore looking at all of my empty RAM slots though.

Deleted member 178884 · Oct 15, 2018

StrayKAT said:
edit: A damn eyesore looking at all of my empty RAM slots though.

Same, I can only run 4 8gb modules at the moment since I've been on a 7740x @ 5ghz delidded for ages - I've been holding out for that skylake refresh and the funds to upgrade.

lexluthermiester · Oct 15, 2018

windwhirl said:
A RAM drive is the only use that comes to mind

Very reasonable point, however that is still not a common consumer based usage scenario.

Deleted member 178884 · Oct 15, 2018

HTC said:
"home use"* ...

*home use involves running 20 crysis 3's at once

StrayKAT · Oct 15, 2018

Xx Tek Tip xX said:
Same, I can only run 4 8gb modules at the moment since I've been on a 7740x @ 5ghz delidded for ages - I've been holding out for that skylake refresh and the funds to upgrade.

Just have 2 8gb's here. I didn't know a refresh was coming though. I almost thought I wasted a lot of money on x299, when they announced the new 300 and x599 series.. but it looks like those are still a ways off.

HTC · Oct 15, 2018

Xx Tek Tip xX said:
*home use involves running 20 crysis 3's at once

Apparently, he'd be running 256GB RAM if he could, if not more.

I don't know how many copies of Crysis 3 he has, though ... so there's that ...

xkm1948 · Oct 15, 2018

HTC said:
Apparently, he'd be running 256GB RAM if he could, if not more.

I don't know how many copies of Crysis 3 he has, though ... so there's that ...

Editing 3 copies of human genome maybe. I don’t play Crysis, not anymore

HTC · Oct 15, 2018

xkm1948 said:
Editing 3 copies of human genome maybe. I don’t play Crysis, not anymore

It was sarcastic, ofc ...

On a more serious note, if RAM prices weren't so obscene and your build could support it, would you get 512GB RAM?

As for the topic, i'm guessing very rarely will a user require such a huge amount of RAM: on a different platform (server like) it's an completely different story, though.

efikkan · Oct 15, 2018

I assume the height of Asus' double height DIMMs is due to heat. registered DIMMs already have these amounts of chips on smaller DIMMs. I hope JEDEC compliant modules will be closer to standard height.

StrayKAT · Oct 15, 2018

HTC said:
It was sarcastic, ofc ...

On a more serious note, if RAM prices weren't so obscene and your build could support it, would you get 512GB RAM?

As for the topic, i'm guessing very rarely will a user require such a huge amount of RAM: on a different platform (server like) it's an completely different story, though.

I wouldn't. To me, the weak link is always and forever a GPU. And software. For gaming and light creative stuff I do, I already feel like 16GB is enough for RAM.. and CPU's in general are more than enough.

efikkan · Oct 15, 2018

StrayKAT said:
I wouldn't. To me, the weak link is always and forever a GPU. And software. For gaming and light creative stuff I do, I already feel like 16GB is enough for RAM.. and CPU's in general are more than enough.

Really? I guess it depends on what you're doing on the machine. 16 GB is probably fine for gaming, but now as even web browsers eat memory like crazy, 16 GB easily falls a little short.

StrayKAT · Oct 15, 2018

efikkan said:
Really? I guess it depends on what you're doing on the machine. 16 GB is probably fine for gaming, but now as even web browsers eat memory like crazy, 16 GB easily falls a little short.

Yeah, it's mostly gaming I have in mind.

I've never been one to have a bunch of tabs on my browser. I think I'm stuck in the 90s, as far as that goes.

xkm1948 · Oct 15, 2018

HTC said:
It was sarcastic, ofc ...

On a more serious note, if RAM prices weren't so obscene and your build could support it, would you get 512GB RAM?

As for the topic, i'm guessing very rarely will a user require such a huge amount of RAM: on a different platform (server like) it's an completely different story, though.

Not for UDIMM.

Any ram over 128GB i must use ECC RDIMM. Data is more valuable.

Assimilator · Oct 15, 2018

So now Intel has a consumer CPU range (Coffee Lake) that supports more memory than its entry-level prosumer/workstation CPU range (Xeon E3 @ 64GB). Go go gadget product segmentation fail!

StrayKAT · Oct 15, 2018

Assimilator said:
So now Intel has a consumer CPU range (Coffee Lake) that supports more memory than its entry-level prosumer/workstation CPU range (Xeon E3 @ 64GB). Go go gadget product segmentation fail!

It's a little outdated, but I guess this answers that somewhat:

Why Intel Created The C232 And C236 Workstation Chipsets

https://www.tomshardware.com/news/intel-c232-c236-chipsets-xeon,31051.html

efikkan · Oct 15, 2018

xkm1948 said:
Any ram over 128GB i must use ECC RDIMM. Data is more valuable.

Capacity itself is no reason to use ECC, and I haven't seen data to show that higher capacity chips have higher risk of errors. But more DIMMs or multi-rank DIMMs certainly increase the risk of errors. Personally I would strongly consider ECC for a workstation though.

I do think the segmentation of Skylake-X and Xeon-W is unnecessary though; two workstation platforms with very similar features. AMD did at least make a smarter choice in this instance.

Fierce Guppy · Oct 16, 2018

lexluthermiester said:
While this is an improvement to the platform, it likely will be useful only in workstation applications. Most consumer needs are served well by no more than 32GB.

When the Rampage V Extreme motherboard was introduced, it didn't support 128GB. A BIOS arrived a few months later that enabled support for 128GB. I was thinking holy cr_p; didn't know my i7-5960X could see that much RAM! It was a nice surprise, but I only need 16GB. I know that there are some people on the Asus forum with 128GB installed. Perhaps all Extreme series CPUs support 128GB.

Prima.Vera · Oct 16, 2018

If you need more than 32GB of RAM (16 actually...) then you are on the wrong platform

System Name	RBMK-1000
Processor	AMD Ryzen 7 5700G
Motherboard	ASUS ROG Strix B450-E Gaming
Cooling	DeepCool Gammax L240 V2
Memory	2x 8GB G.Skill Sniper X
Video Card(s)	Palit GeForce RTX 2080 SUPER GameRock
Storage	Western Digital Black NVMe 512GB
Display(s)	BenQ 1440p 60 Hz 27-inch
Case	Corsair Carbide 100R
Audio Device(s)	ASUS SupremeFX S1220A
Power Supply	Cooler Master MWE Gold 650W
Mouse	ASUS ROG Strix Impact
Keyboard	Gamdias Hermes E2
Software	Windows 11 Pro

System Name	Dumbass
Processor	AMD Ryzen 7800X3D
Motherboard	ASUS TUF gaming B650
Cooling	Artic Liquid Freezer 2 - 420mm
Memory	G.Skill Sniper 32gb DDR5 6000
Video Card(s)	GreenTeam 4070 ti super 16gb
Storage	Samsung EVO 500gb & 1Tb, 2tb HDD, 500gb WD Black
Display(s)	1x Nixeus NX_EDG27, 2x Dell S2440L (16:9)
Case	Phanteks Enthoo Primo w/8 140mm SP Fans
Audio Device(s)	onboard (realtek?) - SPKRS:Logitech Z623 200w 2.1
Power Supply	Corsair HX1000i
Mouse	Steeseries Esports Wireless
Keyboard	Corsair K100
Software	windows 10 H
Benchmark Scores	https://i.imgur.com/aoz3vWY.jpg?2

System Name	System V
Processor	AMD Ryzen 5 3600
Motherboard	Asus Prime X570-P
Cooling	Cooler Master Hyper 212 // a bunch of 120 mm Xigmatek 1500 RPM fans (2 ins, 3 outs)
Memory	2x8GB Ballistix Sport LT 3200 MHz (BLS8G4D32AESCK.M8FE) (CL16-18-18-36)
Video Card(s)	Gigabyte AORUS Radeon RX 580 8 GB
Storage	SHFS37A240G / DT01ACA200 / ST10000VN0008 / ST8000VN004 / SA400S37960G / SNV21000G / NM620 2TB
Display(s)	LG 22MP55 IPS Display
Case	NZXT Source 210
Audio Device(s)	Logitech G430 Headset
Power Supply	Corsair CX650M
Software	Whatever build of Windows 11 is being served in Canary channel at the time.
Benchmark Scores	Corona 1.3: 3120620 r/s Cinebench R20: 3355 FireStrike: 12490 TimeSpy: 4624

System Name	HTC's System
Processor	Ryzen 5 5800X3D
Motherboard	Asrock Taichi X370
Cooling	NH-C14, with the AM4 mounting kit
Memory	G.Skill Kit 16GB DDR4 F4 - 3200 C16D - 16 GTZB
Video Card(s)	Sapphire Pulse 6600 8 GB
Storage	1 Samsung NVMe 960 EVO 250 GB + 1 3.5" Seagate IronWolf Pro 6TB 7200RPM 256MB SATA III
Display(s)	LG 27UD58
Case	Fractal Design Define R6 USB-C
Audio Device(s)	Onboard
Power Supply	Corsair TX 850M 80+ Gold
Mouse	Razer Deathadder Elite
Software	Ubuntu 20.04.6 LTS

System Name	Grunt
Processor	Ryzen 5800x
Motherboard	Gigabyte x570 Gaming X
Cooling	Noctua NH-U12A
Memory	Corsair LPX 3600 4x8GB
Video Card(s)	Gigabyte 6800 XT (reference)
Storage	Samsung 980 Pro 2TB
Display(s)	Samsung CFG70, Samsung NU8000 TV
Case	Corsair C70
Power Supply	Corsair HX750
Software	Win 10 Pro

Intel 9th Gen LGA1151 Processors Support Up to 128GB of Memory

btarunr

Editor & Senior Moderator

DeathtoGnomes

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lexluthermiester

Cybrnook2002

windwhirl

HTC

StrayKAT

Deleted member 178884

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lexluthermiester

Deleted member 178884

Guest

StrayKAT

HTC

xkm1948

HTC

efikkan

StrayKAT

efikkan

StrayKAT

xkm1948

Assimilator

StrayKAT

efikkan

Fierce Guppy

Prima.Vera

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Processor	Undead CPU
Motherboard	Undead TUF X99
Cooling	Noctua NH-D15
Memory	GSkill 128GB DDR4-3000
Video Card(s)	EVGA RTX 3090 FTW3 Ultra
Storage	Samsung 960 Pro 1TB + 860 EVO 2TB + WD Black 5TB
Display(s)	32'' 4K Dell
Case	Fractal Design R5
Audio Device(s)	BOSE 2.0
Power Supply	Seasonic 850watt
Mouse	Logitech Master MX
Keyboard	Corsair K70 Cherry MX Blue
VR HMD	HTC Vive + Oculus Quest 2
Software	Windows 10 P

Processor	AMD Ryzen 9 5900X \|\|\| Intel Core i7-3930K
Motherboard	ASUS ProArt B550-CREATOR \|\|\| Asus P9X79 WS
Cooling	Noctua NH-U14S \|\|\| Be Quiet Pure Rock
Memory	Crucial 2 x 16 GB 3200 MHz \|\|\| Corsair 8 x 8 GB 1333 MHz
Video Card(s)	MSI GTX 1060 3GB \|\|\| MSI GTX 680 4GB
Storage	Samsung 970 PRO 512 GB + 1 TB \|\|\| Intel 545s 512 GB + 256 GB
Display(s)	Asus ROG Swift PG278QR 27" \|\|\| Eizo EV2416W 24"
Case	Fractal Design Define 7 XL x 2
Audio Device(s)	Cambridge Audio DacMagic Plus
Power Supply	Seasonic Focus PX-850 x 2
Mouse	Razer Abyssus
Keyboard	CM Storm QuickFire XT
Software	Ubuntu

System Name	Firelance.
Processor	Threadripper 3960X
Motherboard	ROG Strix TRX40-E Gaming
Cooling	IceGem 360 + 6x Arctic Cooling P12
Memory	8x 16GB Patriot Viper DDR4-3200 CL16
Video Card(s)	MSI GeForce RTX 4060 Ti Ventus 2X OC
Storage	2TB WD SN850X (boot), 4TB Crucial P3 (data)
Display(s)	3x AOC Q32E2N (32" 2560x1440 75Hz)
Case	Enthoo Pro II Server Edition (Closed Panel) + 6 fans
Power Supply	Fractal Design Ion+ 2 Platinum 760W
Mouse	Logitech G602
Keyboard	Razer Pro Type Ultra
Software	Windows 10 Professional x64

Processor	Intel® Core™ i7-13700K
Motherboard	Gigabyte Z790 Aorus Elite AX
Cooling	Noctua NH-D15
Memory	32GB(2x16) DDR5@6600MHz G-Skill Trident Z5
Video Card(s)	ZOTAC GAMING GeForce RTX 3080 AMP Holo
Storage	2TB SK Platinum P41 SSD + 4TB SanDisk Ultra SSD + 500GB Samsung 840 EVO SSD
Display(s)	Acer Predator X34 3440x1440@100Hz G-Sync
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Audio Device(s)	Creative X-Fi Titanium PCIe
Power Supply	Corsair 850W
Mouse	Logitech Hero G502 SE
Software	Windows 11 Pro - 64bit
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