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mrcardio33x · Thursday at 11:21 PM

VDD: 1.55v

InVasMani · Friday at 4:38 PM

Is there much consensus yet on what's generally deemed safe voltages for memory IMC/VDD/VDDQ/TX for DDR5 it seems like 1.55v VDD is a bit high for long term usage. I haven't used more than 1.45v on any of those. I'm just curious what most would deem generally safe for long term usage on them with DDR5. I get that people can't definitively say will absolute certainty, but at the same time there is probably some consensus by now what has been work well in general for people and a maybe a few fringe isolated incidents of a particular voltage or voltages being too aggressively pushed leading to issues.

mrcardio33x · Friday at 5:06 PM

InVasMani said:
Is there much consensus yet on what's generally deemed safe voltages for memory IMC/VDD/VDDQ/TX for DDR5 it seems like 1.55v VDD is a bit high for long term usage. I haven't used more than 1.45v on any of those. I'm just curious what most would deem generally safe for long term usage on them with DDR5. I get that people can't definitively say will absolute certainty, but at the same time there is probably some consensus by now what has been work well in general for people and a maybe a few fringe isolated incidents of a particular voltage or voltages being too aggressively pushed leading to issues.

VDD @ 1.55v isn't even remotely "too high"
There are even EXPO kits at 1.55v for VDD

VDD is only "too high" if you can't keep temps down.

I have a Noctua 2200 RPM 80mm fan over my DIMMS running @ 1.55v and max temps are ~ 43c under load (gaming w/ RTX 4090 at 450w+ and or stress test such as Karhu, TM5, etc.)

Det0x · Friday at 9:38 PM

InVasMani said:
Is there much consensus yet on what's generally deemed safe voltages for memory IMC/VDD/VDDQ/TX for DDR5 it seems like 1.55v VDD is a bit high for long term usage. I haven't used more than 1.45v on any of those. I'm just curious what most would deem generally safe for long term usage on them with DDR5. I get that people can't definitively say will absolute certainty, but at the same time there is probably some consensus by now what has been work well in general for people and a maybe a few fringe isolated incidents of a particular voltage or voltages being too aggressively pushed leading to issues.

2.07 VDD @ CL30 8000MT/s is too high

But i have been running 1.74/1.6 daily for almost 2 years now, and no issues with that

freeagent · Friday at 11:15 PM

^^

What a beast! Nice.

Still kickin it old school here..

InVasMani · Saturday at 6:48 PM

Det0x said:
2.07 VDD @ CL30 8000MT/s is too high
View attachment 359265

But i have been running 1.74/1.6 daily for almost 2 years now, and no issues with that

Seems I was being over conservative on DDR5 voltages. What's temps are advised to keep DDR5 below!?

mrcardio33x · Saturday at 7:35 PM

InVasMani said:
Seems I was being over conservative on DDR5 voltages. What's temps are advised to keep DDR5 below!?

Yeah, as long as you have sufficient cooling I wouldn't be too concerned about VDD voltage. Plenty of us have been running 1.55v + VDD for over a year now with no issues whatsoever.

Worse case scenario is you out ~ $100 for new RAM regardless so not exactly the end of the World. Highly unlikely however.

Solaris17 · 2024-08-19T07:41:40+0100

System Name	LIAN LI PC-011Dynamic White
Processor	Ryzen 7 7800X3D - BCLK 105 - LLC7 - Scaler X6 - Boost Clock (-) 150 MHz or 5150 MHz
Motherboard	Asus ROG STRIX X670E-F / BIOS 2007
Cooling	DeepCool LT720, 360mm AIO / Artic MX6 paste / 80mm 2200rpm Noctua fan for RAM / LIAN LI Fans
Memory	G.SKILL 32 GB (2X 16 GB) DDR5 6200MT/s / 26-36-32-44 / 2200 FCLK / 55.6 ns Latency
Video Card(s)	Gigabyte Gaming OC RTX 4090
Storage	WD_Black SN850X NVMe 2 TB X 2
Display(s)	ViewSonic 1440p / 240Hz / G-Sync / 27” & ViewSonic 1440p / 165Hz / G-Sync / 27"
Case	LIAN LI PC-011Dynamic White
Audio Device(s)	Drop + EPOS PC38X - Audioengine D1 DAC/AMP - Sony STRH590 Receiver L/R/C + 10" Sub
Power Supply	Corsair RMx Shift Series RM1000x 80PLUS Gold
Mouse	Razor Viper Mini
Keyboard	Logitech G915 TKL
Software	Windows 11 Pro
Benchmark Scores	3DMARK Time Spy Overall: 31875 Legendary 3DMARK Time Spy CPU: 15120 - 15th World

System Name	LIAN LI PC-011Dynamic White
Processor	Ryzen 7 7800X3D - BCLK 105 - LLC7 - Scaler X6 - Boost Clock (-) 150 MHz or 5150 MHz
Motherboard	Asus ROG STRIX X670E-F / BIOS 2007
Cooling	DeepCool LT720, 360mm AIO / Artic MX6 paste / 80mm 2200rpm Noctua fan for RAM / LIAN LI Fans
Memory	G.SKILL 32 GB (2X 16 GB) DDR5 6200MT/s / 26-36-32-44 / 2200 FCLK / 55.6 ns Latency
Video Card(s)	Gigabyte Gaming OC RTX 4090
Storage	WD_Black SN850X NVMe 2 TB X 2
Display(s)	ViewSonic 1440p / 240Hz / G-Sync / 27” & ViewSonic 1440p / 165Hz / G-Sync / 27"
Case	LIAN LI PC-011Dynamic White
Audio Device(s)	Drop + EPOS PC38X - Audioengine D1 DAC/AMP - Sony STRH590 Receiver L/R/C + 10" Sub
Power Supply	Corsair RMx Shift Series RM1000x 80PLUS Gold
Mouse	Razor Viper Mini
Keyboard	Logitech G915 TKL
Software	Windows 11 Pro
Benchmark Scores	3DMARK Time Spy Overall: 31875 Legendary 3DMARK Time Spy CPU: 15120 - 15th World

Processor	AMD R7 5800X3D
Motherboard	Asus Crosshair VIII Dark Hero
Cooling	Thermalright Frozen Edge 360, 3x TL-B12 V2, 2x TL-B12 V1
Memory	2x8 G.Skill Trident Z Royal 3200C14, 2x8GB G.Skill Trident Z Black and White 3200 C14
Video Card(s)	Zotac 4070 Ti Trinity OC
Storage	WD SN850 1TB, SN850X 2TB, SN770 1TB
Display(s)	LG 50UP7100
Case	Fractal Torrent Compact
Audio Device(s)	JBL Bar 700
Power Supply	Seasonic Vertex GX-1000, Monster HDP1800
Mouse	Logitech G502 Hero
Keyboard	Logitech G213
VR HMD	Oculus 3
Software	Yes
Benchmark Scores	Yes

System Name	LIAN LI PC-011Dynamic White
Processor	Ryzen 7 7800X3D - BCLK 105 - LLC7 - Scaler X6 - Boost Clock (-) 150 MHz or 5150 MHz
Motherboard	Asus ROG STRIX X670E-F / BIOS 2007
Cooling	DeepCool LT720, 360mm AIO / Artic MX6 paste / 80mm 2200rpm Noctua fan for RAM / LIAN LI Fans
Memory	G.SKILL 32 GB (2X 16 GB) DDR5 6200MT/s / 26-36-32-44 / 2200 FCLK / 55.6 ns Latency
Video Card(s)	Gigabyte Gaming OC RTX 4090
Storage	WD_Black SN850X NVMe 2 TB X 2
Display(s)	ViewSonic 1440p / 240Hz / G-Sync / 27” & ViewSonic 1440p / 165Hz / G-Sync / 27"
Case	LIAN LI PC-011Dynamic White
Audio Device(s)	Drop + EPOS PC38X - Audioengine D1 DAC/AMP - Sony STRH590 Receiver L/R/C + 10" Sub
Power Supply	Corsair RMx Shift Series RM1000x 80PLUS Gold
Mouse	Razor Viper Mini
Keyboard	Logitech G915 TKL
Software	Windows 11 Pro
Benchmark Scores	3DMARK Time Spy Overall: 31875 Legendary 3DMARK Time Spy CPU: 15120 - 15th World

System Name	RogueOne
Processor	Xeon W9-3495x
Motherboard	ASUS w790E Sage SE
Cooling	Noctua NH-U14S DX-4677
Memory	128gb Gskill Zeta R5 DDR5 RDIMMs
Video Card(s)	MSI SUPRIM Liquid X 4090
Storage	1x 2TB WD SN850X \| 2x 8TB GAMMIX S70
Display(s)	Odyssey OLED G9 (G95SC)
Case	Thermaltake Core P3 Pro Snow
Audio Device(s)	Moondrop S8's on schitt Modi+ & Valhalla 2
Power Supply	Seasonic Prime TX-1600
Mouse	Lamzu Atlantis mini (White)
Keyboard	Monsgeek M3 Lavender, Akko Crystal Blues
VR HMD	Quest 3
Software	Windows 11 Pro Workstation
Benchmark Scores	I dont have time for that.

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