Can this semi-modular power supply efficiently handle overclocked components in a gaming or high-performance PC build?

High efficiency with 80 PLUS Gold certification and a class-leading single +12V rail suggest that this power supply can handle high-performance components effectively.

How quiet is the 140mm fan during operation, and does it have any fan speed controls?

The 140mm fan operates silently at 18 dBA during operation.

Questions & Answers: SilverStone Essential Series ET750-HG 750W 80 PLUS Gold Semi-Modular ATX Power Supply, Silent 140mm Fan, Single +12V Rail, All-Black Flat Cables

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SilverStone Essential Series ET750-HG 750W 80 PLUS Gold Semi-Modular ATX Power Supply, Silent 140mm Fan, Single +12V Rail, All-Black Flat Cables

High efficiency with 80 PLUS Gold certification
Semi-modular cables facilitate cable management
24/7 continuous power output with 40°C operating temperature
Class-leading single +12V rail
Silent running 140mm fan with 18 dBA
PCIe 8pin and PCIe 6pin connectors support
All-black flat cables design
Dual EPS 8pin with multiple PCI-E 8 / 6pin connectors support (V1.2)

$119^.09 –