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GIGABYTE X299 Aorus Master (Intel X299) Motherboard Review (Page 3)

By Steven Bassiri from Apr 3, 2019 @ 10:00 CDT
TweakTown Rating: 93%Manufacturer: AORUS

Circuit Analysis

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The motherboard looks great without heat sinks.

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The VRM here is using the high quality Intersil Smart Power Stage ISL99227 60A integrated power stages with exposed top for better cooling. GIGABYTE also increased copper to 2oz on this motherboard to help with cooling. The power stages are in a 12 phase configuration and controlled by the new Intersil digital PWM, the ISL69138.

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Six ISL6617 phase doublers are used to increase phase count to 12. Both the VCCSA and VCCIO get their power from small PowerPAKs from On Semiconductor, and they should be able to get the job done, and the VCCIO is controlled by the ISL69133.

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Each memory VRM uses the same On Semiconductor NTMFS4C06N for the two low-side MOSFETs and single high-side MOSFET, and they are each controlled by a Ricktek RT8120 PWM controller.

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