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ASRock Z390 Phantom Gaming 9 (Intel Z390) Motherboard Review (Page 3)

Steven Bassiri | Mar 1, 2019 at 10:00 am CST - 0 mins, 47 secs time to read this page
Rating: 93%Manufacturer: ASRock

Circuit Analysis

ASRock Z390 Phantom Gaming 9 (Intel Z390) Motherboard Review 19 | TweakTown.com

The Z390 Phantom Gaming 9 shows us the goods with the heat sinks removed!

ASRock Z390 Phantom Gaming 9 (Intel Z390) Motherboard Review 20 | TweakTown.comASRock Z390 Phantom Gaming 9 (Intel Z390) Motherboard Review 21 | TweakTown.com

The VRM is in a 10+2 phase configuration, and uses six IR3598 doubler/dual drivers on the back of the PCB. Five of these IR3598 are in doubler mode, while one is in dual driver mode for the two iGPU phases. The IR35201 digital PWM controller is used in 5+2 phase mode.

ASRock is using the high-end Texas Instruments 40A NexFETs, the CSD87350 dual N-channel MOSFETs, along with high current inductors for both the CPU and iGPU phases.

ASRock Z390 Phantom Gaming 9 (Intel Z390) Motherboard Review 22 | TweakTown.comASRock Z390 Phantom Gaming 9 (Intel Z390) Motherboard Review 23 | TweakTown.com

The VCCSA and VCCIO are controlled by Richtek RT8120 single phase PWMs with integrated drivers and use Sinopower dual N-Channel SM7341EH power blocks. Memory is controlled by a UPI uP1674 PWM controller, which then controls two Sinopower SM7341EH power blocks. The VRMs are very similar to those on the normal Taichi.

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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