Tripp Lite AVR Series 120V 550VA 300W 50/60Hz Ultra-Compact Line-Interactive UPS with USB port - UPS - 300 Watt - 550 VA - AVR550U - UPS Battery Backups - CDW.com
Ethernet / USB HUB HAT (B) for Raspberry Pi series, 1x RJ45 Ethernet Port, 3x USB 2.0 Ports
4-port NanoHub – tiny USB hub for hacking projects - ATMega32 AVR
Amazon.com: USB Extender 165ft 50m 4-Port USB2.0 HUB by Cat5e Cat6 -Two Webcam Work Sync,Plug & Play for Camera Storage Hard Drive PC Windows,MacOS,Android,1.5m USB Cable, 5V Power USB Over Ethernet EX60USB :
USB AVR Programmer
USB5537B HIGH SPEED USB 3.0 7 PORT HUB CUSTOMER EVALUATION BOARD | Microchip Technology
Design and Build your own High Power USB Hub Port Extender
Connecting a USB memory device to the USB port AVR-S660H
Design and Build your own High Power USB Hub Port Extender
USB Hubs | Microchip Technology
AVR Series 230V 750VA 450W Ultra-Compact Line-Interactive UPS with USB port, C13 Outlets | Eaton
PROGRAMMABLE USB HUB HAS I2C, GPIO AND SPI - ATMega32 AVR
Pololu USB AVR Programmer
AVR-ISP500-ISO
Industrial Grade USB HUB, Extending 4x USB 2.0 Ports, Switchable Dual Hosts | USB-HUB-2IN-4OUT
Pololu USB AVR Programmer v2.1
PROGRAMMABLE USB HUB HAS I2C, GPIO AND SPI - ATMega32 AVR
Amazon.com: Geekstory for ATMEL 51 AVR USB ISP ASP Microcontroller Programmer Downloader CH341A 24 25 Series EEPROM Flash BIOS USB Programmer Module : Electronics