The Z370 AORUS Gaming 7 reveals its secrets when the heat sinks and shields come off.
The VRM on this motherboard uses Intersil's new digital PWM and Smart Power Stages. The CPU VRM is in an 8+2 phase configuration for the CPU core and iGPU. The Intersil ISL69128 is part of Intersil's brand new fully digital PWM controller line and offers up to 7 phases in mixed rail operation, in this case, the PWM outputs 4+2 PWM rails. The iGPU uses two Intersil's ISL99227FRZ-T 60A Smart Power Stages while the CPU core uses eight ISL99227BFRZ-T 60A Smart Power Stages.
These power stages have internal current and temperature monitoring as well as double-sided cooling, meaning they are cooled by the solder contacts to the PCH and by the metal section on the top of the IC package. From what I understand, these power stages are quite expensive, so it's great to see them used here. The inductors are the same 76A inductors we see on GIGABYTE's X299 motherboards.
The PWM controller outputs 4 phases for the CPU VCore, and those PWM channels each goto one of the ISL6617 phase doublers on the back of the PCB, which then output to two power stages each, and we get a total of 8 VRM phases for the core. The VCCSA and VCCIO each use a single phase VRM controlled by a Richtek RT8120D single-phase PWM controller with integrated driver.
The memory VRM uses a single phase Richtek RT8120D along with two low-side PowerPAKs (4C06N) and one high-side PowerPAK (4C06N). GIGABYTE's DAC-UP feature uses a 3A RT8288 step-down converter to control the 5V voltage rail of the yellow USB 3.0 ports on the rear IO.
PRICING: You can find the product discussed for sale below. The prices listed are valid at the time of writing, but can change at any time. Click the link below to see real-time pricing for the best deal:
United States: The GIGABYTE Z370 AORUS Gaming 7 Motherboard retails for $XXX at Amazon.
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- Page 1 [Introduction, Specifications, and Pricing]
- Page 2 [Packaging and Z370 AORUS Gaming 7 Overview]
- Page 3 [GIGABYTE Z370 AORUS Gaming 7 Circuit Analysis]
- Page 4 [GIGABYTE Z370 AORUS Gaming 7 Circuit Analysis Continued]
- Page 5 [BIOS and Software]
- Page 6 [Test System Setup]
- Page 7 [Overclocking]
- Page 8 [CPU, Memory, and System Benchmarks]
- Page 9 [System IO Benchmarks]
- Page 10 [Thermal Imaging and Power Consumption]
- Page 11 [What's Hot, What's Not & Final Thoughts]
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