Things just got more interesting.
GIGABYTE is using a true 8-phase voltage regulator exclusively powered by International Rectifier. The inductors are the same 76A Cooper Bussman COILTRONICS FLAT-PAC high current power inductors found on GIGABYTE's earlier X99 motherboards. The capacitors are black FPCAPs; I assume they are rated at 10K hours.
GIGABYTE is using the latest International Rectifier (owned by Infineon) IR3580 true 8-phase digital PWM. They are also using eight IR3556; 50A fully integrated power stages that include their driver, high-side MOSFET, and low-side MOSFET in a single package. The motherboard also has extra pins in the socket that could enhance overclocking of cache and memory; these pins are powered by a special array of linear regulators located below the first 16x PCI-E slot and controlled by an IT8792E embedded controller.
Each four DIMMs gets a two-phase DDR voltage regulator driven by IR3553 (40A) integrated PowIRstages and controlled by an IR3570 3+2 phase digital PWM. The DDR4 VPP rail for each four DIMMs is using a single IR3553 and is controlled by the same IR3570 used for the main DRAM voltage.
PRICING: You can find the GIGABYTE X99-Ultra Gaming (Intel X99) Motherboard 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 X99-Ultra Gaming (Intel X99) Motherboard retails for $280 at Amazon.
United Kingdom: The GIGABYTE X99-Ultra Gaming (Intel X99) Motherboard retails for £280 at Amazon UK.
- Page 1 [Introduction, Specifications, and Pricing]
- Page 2 [Packaging and X99-Ultra Gaming Overview]
- Page 3 [GIGABYTE X99-Ultra Gaming Circuit Analysis]
- Page 4 [GIGABYTE X99-Ultra 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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