Add an RS232 serial port to your laptop or desktop computer through a detachable USB cable
Add four USB 2.0 Ports to the back of your computer
Add an RS232 serial port to a notebook or desktop computer with this Plug-and Play USB adapter cable
Add two USB 3.0 ports to your desktop computer through a PCI Express slot
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.
D-Link DUB-1310 - Network adapter - PCIe - USB 3.0 x 2 - for DUB 1340
SIIG USB 3.0 9-Port HUB + 1-Port Charging with Power Adapter - Hub - 9 x SuperSpeed USB 3.0 - desktop
Add an additional six external and one internal high speed USB 2.0 ports to any PCIe compatible PC
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
StarTech.com 1 Port Flush Mount ExpressCard USB 3.0 Card Adapter - USB adapter - ExpressCard - USB 3.0 - for P/N: USB3S2SAT3CB
Add front or rear panel USB 3.0 ports to your computer case using USB 3.0 motherboard-style headers
Add 2 SuperSpeed USB 3.0 ports to your PCI Express-enabled PC
Add digital optical surround sound to your computer through PCIe
Add four USB 3.0 ports – three external ports and one internal port – to your computer
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 2 SuperSpeed USB 3.0 ports with SATA power to your PCI Express-enabled PC
StarTech.com 2 Port SuperSpeed Mini PCI Express USB 3.0 Adapter Card w/ Bracket Kit - USB adapter - PCIe Mini Card low profile - USB 3.0 x 2 - for P/N: USB3S2SAT3CB
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
SIIG’s DP USB 3.0 4-Port PCIe i/e is a high performance adapter card designed to instantly add four additional USB 3.0 ports (1 internal and 3 external) to your PCIe-enabled desktop computer.
SIIG JU-P20A12-S1 - USB adapter - PCIe 3.0 x4 - USB 3.1 x 2 - black
SIIG USB 3.1 Type-C LAN Hub with HDMI Adapter- 4K ready - Docking station - (USB-C) - GigE
StarTech.com 3 Port PCI Express 2.0 SATA III 6 Gbps RAID Controller Card w/ mSATA Slot and HyperDuo SSD Tiering - Storage controller (RAID) - 4 Channel - SATA 6Gb/s low profile - 6 GBps - RAID 0, 1, 10, JBOD - PCIe 2.0 x2
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.