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Max Safe Voltage for i9 9900k OC

Relvex
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I really want to overclock my 9900k but don't know how far I should push the voltage.

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3 minutes ago, Relvex said:

I really want to overclock my 9900k but don't know how far I should push the voltage.

Considering how hot it gets, I wouldn't suggest anything above 1.275v

8086k Winner BABY!!

My tech stuff

 

Main rig

Cpu: R5 1600AF 3.95ghz 1.32v (literally the worst bin I've ever seen)

Mobo: MSI b450 A-Pro MAX

Ram: 16gb Team Group T-Force Xtreem 3600 cl18 (3466 14-14-14-14-28) kinda tuned subs

Gpu: MSI 1080 ti Duke OC

PSU: Bitfenix Formula Gold 650w

SSD: 512gb Inland premium nvme

HDD: 2tb Seagate Barracuda Compute

 

Samsung Galaxy S9 | SD845 | Adreno 640

 

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Just now, TheDankKoosh said:

Considering how hot it get I wouldn't suggest anything above 1.275v

Alright, thanks. I wasn't sure whether above 1.2v was super high for Coffee Lake R or something so I stayed way below that.

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1.35V, if you can actually cool it below 80C

CPU: i7-2600K 4751MHz 1.44V (software) --> 1.47V at the back of the socket Motherboard: Asrock Z77 Extreme4 (BCLK: 103.3MHz) CPU Cooler: Noctua NH-D15 RAM: Adata XPG 2x8GB DDR3 (XMP: 2133MHz 10-11-11-30 CR2, custom: 2203MHz 10-11-10-26 CR1 tRFC:230 tREFI:14000) GPU: Asus GTX 1070 Dual (Super Jetstream vbios, +70(2025-2088MHz)/+400(8.8Gbps)) SSD: Samsung 840 Pro 256GB (main boot drive), Transcend SSD370 128GB PSU: Seasonic X-660 80+ Gold Case: Antec P110 Silent, 5 intakes 1 exhaust Monitor: AOC G2460PF 1080p 144Hz (150Hz max w/ DP, 121Hz max w/ HDMI) TN panel Keyboard: Logitech G610 Orion (Cherry MX Blue) with SteelSeries Apex M260 keycaps Mouse: BenQ Zowie FK1

 

Model: HP Omen 17 17-an110ca CPU: i7-8750H (0.125V core & cache, 50mV SA undervolt) GPU: GTX 1060 6GB Mobile (+80/+450, 1650MHz~1750MHz 0.78V~0.85V) RAM: 8+8GB DDR4-2400 18-17-17-39 2T Storage: 1TB HP EX920 PCIe x4 M.2 SSD + 1TB Seagate 7200RPM 2.5" HDD (ST1000LM049-2GH172), 128GB Toshiba PCIe x2 M.2 SSD (KBG30ZMV128G) gone cooking externally Monitor: 1080p 126Hz IPS G-sync

 

Desktop benching:

Cinebench R15 Single thread:168 Multi-thread: 833 

SuperPi (v1.5 from Techpowerup, PI value output) 16K: 0.100s 1M: 8.255s 32M: 7m 45.93s

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1 hour ago, Relvex said:

I really want to overclock my 9900k but don't know how far I should push the voltage.

i keep seeing 1.3-1.35v also depends on whether u consider synthetic load vs gaming load, not doing p95 or aida this gen personally.

5950x 1.33v 5.05 4.5 88C 195w ll R20 12k ll drp4 ll x570 dark hero ll gskill 4x8gb 3666 14-14-14-32-320-24-2T (zen trfc)  1.45v 45C 1.15v soc ll evga non-3090 tie ftw3 1905 0.8v 65C 270w (double fps of 1080ti) ll samsung 970 500gb nvme os ll sandisk 4tb ssd ll all nf12/14 fans ll tt gt10 case ll evga g2 1300w ll w10 pro ll 34GN850B ll x27 ll PA272w

 

9900k 1.36v 5.1avx 4.9ring 85C 195w (daily) 1.02v 4.3ghz 80w 50C R20 temps score=5500 ll D15 ll Z390 taichi ult 1.60 bios ll gskill 4x8gb 14-14-14-30-280-20 ddr3666  bdie 1.45v 45C 1.22sa/1.18 io  ll EVGA non-30 tie XC 1830//7600 0.85v 210w ll  8x nf12/14 fans 2x samsung 860 evo 500gb raid 0 ll 500gb nvme 970 evo ll Corsair graphite 780T ll EVGA P2 1200w ll Windows 10 Pro ll NEC PA242w (movie, work mon dying) 1080p 60hzll Predator X27 4k144 hdr (using at 4:4:4 98 fan is dying)

 

 

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1 hour ago, xg32 said:

i keep seeing 1.3-1.35v also depends on whether u consider synthetic load vs gaming load, not doing p95 or aida this gen personally.

It's always better to see worst case scenario compared to best case scenario for temps so you have piece of mind when doing highly intense workloads.

8086k Winner BABY!!

My tech stuff

 

Main rig

Cpu: R5 1600AF 3.95ghz 1.32v (literally the worst bin I've ever seen)

Mobo: MSI b450 A-Pro MAX

Ram: 16gb Team Group T-Force Xtreem 3600 cl18 (3466 14-14-14-14-28) kinda tuned subs

Gpu: MSI 1080 ti Duke OC

PSU: Bitfenix Formula Gold 650w

SSD: 512gb Inland premium nvme

HDD: 2tb Seagate Barracuda Compute

 

Samsung Galaxy S9 | SD845 | Adreno 640

 

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