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GIGABYTE Z270X-GAMING SOC Motherboard Review (Page 3)

By Steven Bassiri on May 11, 2017 11:35 pm CDT
Rating: 92%Manufacturer: GIGABYTE

Circuit Analysis


The Z270X-GAMING SOC has a really nice VRM.


The VRM on the Z270X-Gaming SOC is one of the best GIGABYTE has to offer on the Z270 platform. The CPU core VRM gets eight true phases controlled by an International Rectifier fully-digital IR35201 8+0 phase PWM. Each PWM phase goes to an IR3553 40A integrated PowIRstage, which includes the driver, low-side MOSFET, and high-side MOSFET into a single package. The VCCSA and VCCIO each get a single phase to the very left of the VRM. They each get a single IR3553 and an IR3570 3+2 phase PWM working in 1+1 phase mode.


The iGPU rail uses another IR35201 in 4+0 phase mode, two IR3598 dual drivers, and PowerPAKs for each of the four phases. The memory VRM uses an IR3570 in 2+1 phase mode, two phases for the main DRAM voltage and a single phase for the VPP. Both memory phases use IR3553 power stages.

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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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