Belkin USB 2.0 Hub, Powered, 4 Ports out, Cable

The listing

It's externally-powered, so supposedly can supply power (not just data) to more devices that a normal USB 2.0 host wouldn't be up to, such as an older Raspberry Pi. Linux testing output: kernel: usb 3-1: new high-speed USB device number 6 using xhci_hcd kernel: usb 3-1: New USB device found, idVendor=05e3, idProduct=0608, bcdDevice=77.64 kernel: usb 3-1: New USB device strings: Mfr=0, Product=1, SerialNumber=0 kernel: usb 3-1: Product: USB2.0 Hub kernel: hub 3-1:1.0: USB hub found kernel: hub 3-1:1.0: 4 ports detected [NOTES: See also my other ads. Cash, please. Canadian OK.]