StarTech.com 2 Port PCI Express (PCIe) USB 3.0 Card with UASP - SATA Power - USB adapter
Add 2 FireWire-800 and 1 FireWire-400 port through a Mini PCI Express slot.
Add 4 SuperSpeed USB 3.0 ports to a computer through a PCI slot. The PCIUSB3S4 4-Port PCI to USB 3.0 Card enables legacy PCI slots to support the SuperSpeed USB 3.0 standard, which is capable of data transfer rates up to 5 Gbps. Using USB 3.0 devices with this card will increase data transfer rates with up to 1.3 Gbps of available bandwidth (PCI bus limit) - more than doubling performance compared to a USB 2.0 connection.
Add 2 high-speed IEEE 1284 parallel ports (EPP/ECP/SPP/PS2) to your desktop computer through a PCI Express expansion slot. The PEX2PECP2 2 Port PCI Express Parallel Adapter Card - EPP/ECP/SPP/PS2 parallel card adds two IEEE 1284 parallel ports to your PC, with support for parallel data communication at speeds of up to 1.5 Mbps.
Convert and scale a composite or S-video signal to work with a VGA monitor. This composite/S-video to VGA video converter scales and converts composite video, s-video, and YCbCr (RGB) video to VGA/HDTV - a simple solution for connecting non-VGA/HDTV enabled equipment to VGA or HDTV display devices like CRT monitors, VGA projectors, LCD displays and plasma displays.
StarTech.com USB 2.0 to 10/100 Mbps Ethernet Network Adapter Dongle - network adapter
StarTech.com 4-Port Gigabit Ethernet Network Card - PCI Express, Intel I350 NIC - network adapter
Add 4 high-speed RS-232 serial ports to your PC through a PCI expansion slot. The PCI4S550N 4-port PCI Serial card turns an available PCI slot into four RS232 serial ports - a cost-effective solution for connecting any new or old serial peripheral, with support for data transfer rates of up to 115Kbps.
The PEX4S553B 4-Port PCI Express Serial Card (with breakout cable) lets you add 4 RS232 serial ports using a single PCIe expansion slot. The PCIe Serial Card includes a 1-to-4 break out cable, which enables you to add 4 serial ports to a single low profile slot.
Add 2 high-speed RS-232 serial ports to your PC through a PCI expansion slot. The PCI2S550 2 Port 16550 Serial Card can be installed in an available PCI slot to add two RS232 serial ports to your system. A cost-effective solution for connecting any new or legacy serial device, with data transfer rates of up to 115.2 Kbps.
Add a 10/100/1000Mbps Ethernet port to any PC through a PCI Express slot. The ST1000SPEX2 PCIe Gigabit Ethernet Network Card adds a 10/100/1000 Mbps compatible RJ45 Ethernet port to a PCI Express-enabled client, server or workstation, providing a convenient addition or replacement networking interface.
Add a 10/100/1000Mbps Ethernet port to any PC through a PCI slot. This PCI-based 10/100/1000 Mbps Gigabit Ethernet Network Adapter Card provides a simple connection to a Gigabit Ethernet network, and is fully compatible with IEEE 802.3, 802.3u, 802.3ab and 802.3x standards.
Add 2x USB 3.0 and 4x USB 2.0 ports to a computer, externally through a single USB 3.0 connection. The ST7320USBC 6-Port USB 3.0/2.0 Combo Hub features a special high-output dedicated charging port which enables you to charge USB devices by providing up to 2A of power, or it can add 2x USB 3.0 and 4x USB 2.0 ports to a computer through a single USB 3.0 host connection.
StarTech.com 2 Port PCI Express (PCIe) USB 3.0 Card with UASP - LP4 Power - USB adapter
Add two USB 3.0 ports through a Mini PCI Express slot. The MPEXUSB3S22B 2-Port Mini PCI Express USB 3.0 Card with Bracket Kit adds two external USB 3.0 ports to small form factor systems, for connecting a variety of different peripherals. The card also includes optional standard and low profile brackets to fit a rear expansion bay if needed.