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ASRock Fatal1ty B450 Gaming K4 (AMD B450) Motherboard Review (Page 3)

Steven Bassiri | Oct 10, 2018 at 10:00 am CDT - 0 mins, 35 secs reading time for this page
Rating: 90%Manufacturer: ASRock

Circuit Analysis

ASRock Fatal1ty B450 Gaming K4 (AMD B450) Motherboard Review 19 | TweakTown.com

The Fatal1ty B450 Gaming K4 shows us the goods with the heat sinks removed!

ASRock Fatal1ty B450 Gaming K4 (AMD B450) Motherboard Review 20 | TweakTown.comASRock Fatal1ty B450 Gaming K4 (AMD B450) Motherboard Review 21 | TweakTown.com

The VRM is in a 6+3 phase controlled by an Intersil ISL95712, it's in 3+3 PWM mode and features two integrated drivers for the main 3 phase rail and one on the 3 phase rail. Three ISL6625 drivers can be found (1 VCore, 2 SoC). The CPU VCore phases each use one Nikos PK618BA and one PZ0903BK MOSFETs. The SoC phases use twoPK618BA for the low-side and one PZ0903BK for the high-side.

ASRock Fatal1ty B450 Gaming K4 (AMD B450) Motherboard Review 22 | TweakTown.com

The memory VRM is two-phase controlled by a Richtek RT8120 which has a single integrated driver (so double components).

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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