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GIGABYTE Z370XP SLI (Intel Z370) Motherboard Review (Page 3)

By Steven Bassiri from Jan 19, 2018 @ 8:00 CST
TweakTown Rating: 91%Manufacturer: GIGABYTE

Circuit Analysis


The motherboard shows us everything once we remove the heat sinks.


The motherboard is in a 4+3 phase VRM, and it uses zero doubling, which is cool. It uses a 4+3 phase Intersil's ISL95866 PWM controller. It offers four phases for the CPU VCore, and on that rail, it has two integrated driver outputs and GIGABYTE adds two more drivers (ISL6625A) for a total of four driver outputs.

On Semiconductor NTMFS4C06N is the low-side MOSFET, and the NTMFS4C10N is the high-side MOSFET for each of the power stages. The CPU VCore power stages each get two high-side MOSFETs and two low-side MOSFETs, while the iGPU phases only get one of each.


The VCCSA and VCCIO get their power from their one single phase VRMs. Each uses a Richtek RT8120D (single phase PWM with integrated driver) and two ON Semiconductor MOSFETs. The memory VRM uses a single phase RT8120D with NTMFS4C06N in a two low one high-side MOSFET configuration.

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