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Archimago's Musings: MEASUREMENTS: Computer USB port noise, USB hubs and the 8kHz PHY Microframe Packet Noise
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4-Port USB-A Hub with 5V 2A Power Supply | USB Hubs and Cards | USB Cables, Adapters, and Hubs | USB and PC
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Powered USB Hub 3.0 – 7 Ports USB Extender with DC 5V Power Adapter with Individual LED Power Switches – PC Belfast Computer Shop & Services
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iUSB Power: Marvelous new upgrade for USB-powered DACs says George of Computeraudiophile! - iFi audio
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Archimago's Musings: MEASUREMENTS: Intona 7055-C USB 3.0 SuperSpeed Isolator. And Darko & Lavorgna hear no difference with the Silent Angel ethernet switch. [Importance of open discussions.]
The iFi iUSB Power Supply - Neat Tweak & Upgrade for USB DAC - DAC - Digital to Analog Conversion - Audiophile Style
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