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4 phase VRM enough for OC 6700K?

Gdourado
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Hello,

How are you?

I am looking at a bundle, that comes with memory, a 6700k and a z170X Ultra Gaming.

The price is good, but I am just not sure about the board.

When I look at it, it seems to have really weak VRM.

From reading reviews, it seems to only be a 4+3 VRM design.

Taken from Tweaktown:

Quote

The VRM on the Z170X-Ultra Gaming is a 4+3 phase VRM and uses custom branded Power inductors and 10K black polymer solid capacitors.

The Intersil ISL95856 is a 4+3 phase hybrid PWM with two integrated drivers on the four phase rail and a single driver integrated for the three phase rail. Four Intersil ISL6625A drivers are used, two for the iGPU phases and two for the VCore phases. The motherboard uses Vishay SiRA12 and SiRA18 for the high-side and low-side PowerPAK MOSFETs. Overall, this VRM is probably the minimum you want for overclocking. The VCCIO, VCCSA, and other rails for overclocking come from a linear regulator circuit and a few LDOs.
The memory VRM uses a Richtek RT8120D single phase integrated PWM with drivers and uses three SiRA12 PowerPAK MOSFETs (two for the low-side and one high-side).

Read more: https://www.tweaktown.com/reviews/7827/gigabyte-z170x-ultra-gaming-motherboard-review/index3.html

Is this enough to overclock the 6700k and also overclock the memory to 3000 or above?

Or will I run into throttle issues, or heat issues, or stability issues due to the not robust VRM?

 

Thanks.

Cheers!

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Shouldnt use this mobo for overclocking.

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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Well my Ryzen 1700 was working fine on 4+2 power phase and no VRM cooling.

It have 8c/16t ...

 

It's not the best motherboard for overclocking, but it will get the work done. Maybe not the highest overclocks, but does another 100-200MHz matter that much to you? Only you can decide.

Intel i7 12700K | Gigabyte Z690 Gaming X DDR4 | Pure Loop 240mm | G.Skill 3200MHz 32GB CL14 | CM V850 G2 | RTX 3070 Phoenix | Lian Li O11 Air mini

Samsung EVO 960 M.2 250GB | Samsung EVO 860 PRO 512GB | 4x Be Quiet! Silent Wings 140mm fans

WD My Cloud 4TB

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1 hour ago, Simon771 said:

Well my Ryzen 1700 was working fine on 4+2 power phase and no VRM cooling.

It have 8c/16t ...

 

It's not the best motherboard for overclocking, but it will get the work done. Maybe not the highest overclocks, but does another 100-200MHz matter that much to you? Only you can decide.

You didn't have the Mortar long enough to explode

and Ryzen 7 eats just a bit more than 6700K when both overclocked

 

Don't buy Apple M1 computers with 8GB of RAM

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5 minutes ago, dave_k said:

You didn't have the Mortar long enough to explode

and Ryzen 7 eats just a bit more than 6700K when both overclocked

You are correct ... I only had it for few months, but during that time it was on 3,8GHz overclock with VRMs hitting upper 90°C mark very often.

Yet there weren't any problems with it even after months of usage like this.

 

Say whatever you want, but that motherboard won't just explode. Worst case scenario it will simply crash your system.

Intel i7 12700K | Gigabyte Z690 Gaming X DDR4 | Pure Loop 240mm | G.Skill 3200MHz 32GB CL14 | CM V850 G2 | RTX 3070 Phoenix | Lian Li O11 Air mini

Samsung EVO 960 M.2 250GB | Samsung EVO 860 PRO 512GB | 4x Be Quiet! Silent Wings 140mm fans

WD My Cloud 4TB

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47 minutes ago, Simon771 said:

You are correct ... I only had it for few months, but during that time it was on 3,8GHz overclock with VRMs hitting upper 90°C mark very often.

Yet there weren't any problems with it even after months of usage like this.

 

Say whatever you want, but that motherboard won't just explode. Worst case scenario it will simply crash your system.

Ever seen electrolytic capacitors going off?

Thats literally a small explosion.

 

Don't buy Apple M1 computers with 8GB of RAM

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