StarTech.com 4 Port PCI SuperSpeed USB 3.0 Adapter Card with SATA/SP4 Power - 4 Total USB Port(s)
StarTech.com 4 Port Portable SuperSpeed USB 3.0 Hub
StarTech.com 4 Port Portable USB 3.0 Hub with Built-in Cable - Aluminum and Compact USB Hub - 4 Total USB Port(s) - 4 USB 3.0 Port(s)
StarTech.com 4 Port RS232 Mini PCI Express Serial Card w/ 16650 UART - Mini PCI Express
StarTech.com 4 Port RS232 PCI Express Serial Card w/ Breakout Cable - PCI Express x1
StarTech.com 4 Port USB 2.0 Extender over Cat5 or Cat6 - Up to 330 ft (100m)
StarTech.com 4-Port USB 2.0-Over-Cat5-or-Cat6 Extender - up to 165ft (50m)
StarTech.com 4 Port USB 3.0 Hub plus 3 Dedicated USB Charging Ports (2 x 1A & 1 x 2A) - Wall Mountable Metal Enclosure - 7 Total USB Port(s) - 4 USB 3.0 Port(s)
StarTech.com 4-Port USB 3.0 Hub plus Dedicated Charging Port - 1 x 2.4A Port - Desktop USB Hub and Fast-Charging Station - 5 Total USB Port(s) - 4 USB 3.0 Port(s) -
StarTech.com 4 Port USB 3.0 Hub - USB-A to USB-C & 3x USB-A SuperSpeed 5Gbps - Self or USB Bus Powered - USB 3.1 Gen 1 BC 1.2 Charging Hub - 4 Port USB 3.0 hub - USB