StarTech.com 3 Port PCI Low Profile High Speed USB 2.0 Adapter Card - USB adapter - PCI low profile - USB, USB 2.0 - 3 ports
StarTech.com 4 Port PCI 1394a FireWire Adapter Card with Digital Video Editing Kit - FireWire adapter - PCI - Firewire - 4 ports
The ECUSB3S254F 2-Port Flush Mount USB 3.0 ExpressCard Adapter uses a unique form factor design that allows it to sit fully in a standard 54mm laptop ExpressCard slot without sticking out.
The StarTech.com USB-to-Parallel (DB25) Interface Converter Cable allows PCs that support the USB specification to connect to any standard parallel device. Use the convenience of USB and cut costs by keeping your parallel devices.
Add four USB 2.0 Ports to the back of your computer
Add an additional six external and one internal high speed USB 2.0 ports to any PCIe compatible PC
Add an RS232 serial port to a notebook or desktop computer with this Plug-and Play USB adapter cable
The 2-port PCI-Express Interface Card (IFC-PCIE2U3S2 ) lets you enjoy the superior performance of high-speed USB 3.0 devices. USB 3.0 offers transfer speeds of up to 5 Gbps for much faster transfer and backups and better performance from connected device.
SIIG 7-Port Industrial USB 3.0 Hub with 15KV ESD Protection - Hub - 7 x SuperSpeed USB 3.0 - desktop, DIN rail mountable, wall-mountable
Add an RS232 serial port to your laptop or desktop computer through a detachable USB cable
SIIG USB 3.0 4-Port Hub - Hub - 4 x SuperSpeed USB 3.0 - desktop
Add 2 SuperSpeed USB 3.0 ports with SATA power to your PCI Express-enabled PC
Add front or rear panel USB 3.0 ports to your computer case using USB 3.0 motherboard-style headers
SIIG USB 3.0 9-Port HUB + 1-Port Charging with Power Adapter - Hub - 9 x SuperSpeed USB 3.0 - desktop
HP SMART ARRAY P431/4G CONTROLLER
Add four USB 3.0 ports – three external ports and one internal port – to your computer
Add digital optical surround sound to your computer through PCIe
SIIG JU-P20A12-S1 - USB adapter - PCIe 3.0 x4 - USB 3.1 x 2 - black
SIIG JU-P20B12-S1 - USB adapter - PCIe 3.0 low profile - USB 3.1 x 2
SIIG JU-P20912-S1 - USB adapter - PCIe 3.0 x4 - USB 3.1 x 2 - black
Add two USB 3.0 ports to your desktop computer through a PCI Express slot