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ASRock Fatal1ty Z270 Gaming-ITX/ac Motherboard Review (Page 3)

Steven Bassiri | Jan 23, 2017 at 8:08 am CST - 0 mins, 54 secs time to read this page
Rating: 93%Manufacturer: ASRock

Circuit Analysis

The Z270 Gaming-ITX/ac's bare PCB exposes some really nice hardware.

ASRock Fatal1ty Z270 Gaming-ITX/ac Motherboard Review 15 | TweakTown.comASRock Fatal1ty Z270 Gaming-ITX/ac Motherboard Review 16 | TweakTown.com

The motherboard's VRM is in a 6+2 phase configuration for the CPU VCore and CPU iGPU voltage rails. Each of the phases uses a Texas Instruments CSD87350D NexFET, which integrated the high and low-side MOSFETs into a single package. These NexFETs as well known throughout overclocking circles as great for overclocking.

ASRock is also using 60A inductors as well as 12K solid polymer capacitors for the output filter. The PWM controller is the International Rectifier IR35201, which is being used in 6+2 phase mode. It's also worth noting that ASRock is not using phase doubling, each phase gets its own PWM channel.

ASRock Fatal1ty Z270 Gaming-ITX/ac Motherboard Review 17 | TweakTown.comASRock Fatal1ty Z270 Gaming-ITX/ac Motherboard Review 18 | TweakTown.com

ASRock is using IR3598 doublers/dual driver units in dual driver mode, so they are not being used as doublers. The memory VRM uses a single NexFET, which is the same model as those used in the CPU VRM.

The motherboard is much more revealing when you take off the shields and heat sinks.

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 tech 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.

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