The Strix B450-I Gaming shows us the goods with the heat sinks removed!
The VRM is in a 6+1 phase configuration with each phase utilizing an IR3553 40A PowIRstage for the CPU VCore, and then a single 60A IR3555 for the SoC. The ASP1405 is used, and it's most likely a re-branded IR controller.
The memory VRM might be located under the PCI-E slot or it might be at the top of the motherboard where they are using tiny On Semi MOSFETs. Either way, it's most likely a single phase. It's actually more likely it's located at the top as after we took these pictures we spotted a Richtek PWM controller on the back of the PCB which would control those small MOSFETs on the front of the board.
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 Kingdom: The Asustek computer ROG STRIX B450-I GAMING MITX retails for £197.74 at Amazon UK.
- Page 1 [Introduction, Specifications, and Pricing]
- Page 2 [Packaging and Strix B450-I Gaming Overview]
- Page 3 [ASUS Strix B450-I Gaming Circuit Analysis]
- Page 4 [ASUS Strix B450-I Gaming 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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