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GIGABYTE Z170XP-SLI (Intel Z170) Motherboard Review (Page 3)

By Steven Bassiri on Oct 28, 2015 at 09:17 am CDT - 1 min, 41 secs reading time for this page
Rating: 90%Manufacturer: GIGABYTE

Circuit Analysis

GIGABYTE Z170XP-SLI (Intel Z170) Motherboard Review 15 | TweakTown.com

I think the Z170XP-SLI looks better without heat sinks, but that's just a personal opinion, as I think all motherboards look better without heat sinks.

GIGABYTE Z170XP-SLI (Intel Z170) Motherboard Review 16 | TweakTown.com

This motherboard carries a 4+3 phase (VCore+ VCCGT) VRM. I believe that this might be the Intel standard VRM configuration for this platform considering its very low power consumption. The VCCIO and VCCSA are derived from a linear regulator I will cover later on. Surprisingly the inductors have a custom GIGABYTE "Power" logo embedded on them which looks quite cool. The capacitors are rated at 5K, and there seems to be a decent amount of them to reduce ripple. The good thing here is that there is no phase doubling.

GIGABYTE Z170XP-SLI (Intel Z170) Motherboard Review 17 | TweakTown.comGIGABYTE Z170XP-SLI (Intel Z170) Motherboard Review 18 | TweakTown.com

A single Intersil ISL95856 Hybrid-Digital PWM provides the 4+3 phase output for the VCC (VCore) and VCCGT (iGPU voltage). It has three integrated drivers, two for the 4 phase rail and a single one for the 3 phase rail. GIGABYTE adds an extra four ISL6625a drivers; two for the VCC and two for the iGPU. Each phase consists of a single high-side and low-side MOSFET. In this case, GIGABYTE opted to use one Vishay Siliconix SiRA12 and one SiRA18 for each phase. These MOSFETs have decent specifications, and each phase should output roughly 15-20A if needed, which is enough for air overclocking. The VCCSA and VCCIO are derived from a linear regulator considering their low power requirements.

GIGABYTE Z170XP-SLI (Intel Z170) Motherboard Review 19 | TweakTown.com

The memory VRM is a single phase consisting of a Richtek RT8120D single phase PWM with integrated driver and two SiRA12 for the low-side and a single SiRA12 for the high-side to facilitate DDR4 overclocking.

GIGABYTE Z170XP-SLI (Intel Z170) Motherboard Review 20 | TweakTown.com

GIGABYTE is using the ASMedia ASM1142 USB 3.1 controller on the Z170XP-SLI along with a Texas Instruments HDS3212 for the type-C switch since users can plug the cable in upside down or right-side up (there is a right way to plug in Type-C, so C-Type switches are used to ensure compatibility).

Last updated: Nov 15, 2019 at 01:16 pm CST

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Steven Bassiri

ABOUT THE AUTHOR - Steven Bassiri

Steven went from a fledgling forum reader in 2003 to one of the internet's brightest stars by 2010. Armed with an information systems degree, a deep understanding of circuitry, and a passion for tech, Steven (handle Sin0822) enjoys sharing his deep knowledge with others. Steven details products down to the component level to highlight seldom explained, and often misunderstood architectures. Steven is also a highly decorated overclocker with several world records under his belt. He brings that knowledge and experience to TweakTown.

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