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ASUS ROG Maximus IX Formula Z270 Motherboard Review (Page 3)

Steven Bassiri | Jan 3, 2017 at 11:30 am CST - 1 min, 13 secs time to read this page
Rating: 93%Manufacturer: ASUS

Circuit Analysis

ASUS ROG Maximus IX Formula Z270 Motherboard Review 20 | TweakTown.comASUS ROG Maximus IX Formula Z270 Motherboard Review 21 | TweakTown.com

Removing the shields and heat sinks reveals the front and back of the motherboard in the flesh.

ASUS ROG Maximus IX Formula Z270 Motherboard Review 22 | TweakTown.comASUS ROG Maximus IX Formula Z270 Motherboard Review 23 | TweakTown.com

The VRM here utilizes the same 8+2 phase count as its predecessor, but it's not the same VRM. The PWM has changed from what I am sure is an IR PWM to a lower pin count unknown PWM. It is labeled ASP1400 while its predecessor used the ASP1405. The PWM has a different top texture than what I found on the Maximus VIII Formula, but that could be from the restamping of the chip. It's also doubling 4 phases for the CPU into eight like its predecessor, but it's doing it by putting two NexFETs on a single driver, the driver has markings similar to Richtek products.

I am unsure of the PWM brand; it could be a lower phase count IR PWM or a digital/hybrid PWM from Richtek, Intersil, or any other PWM maker. The good news is that ASUS is still using Texas Instruments NexFETs, the same CSD87350 dual N-Channel MOSFETs, the same micro-fine alloy inductors, and 10K gun-metal capacitors.

ASUS ROG Maximus IX Formula Z270 Motherboard Review 24 | TweakTown.comASUS ROG Maximus IX Formula Z270 Motherboard Review 25 | TweakTown.com

The VCCSA, VCCIO, and other minor rails get their power from a variety of different voltage regulators powered by an APW integrated PWM, ON-Semiconductor PowerPAKs, and a Texas Instruments TPS51362 converter. The memory VRM is similar but not identical, a two-phase VRM capable of driving pretty much any memory overclock.

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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