StarTech.com 4 Port Gigabit NIC PCIe Network Card - Quad Port Adapter (ST1000SPEX43) - network adapter - PCIe - Gigabit Ethernet x 4
StarTech.com 4-Port HDMI Automatic Video Switch - 4K 2x1 HDMI Switch - 3840 × 2160 - 4K
StarTech.com 4-Port HDMI automatic video switch w/ aluminum housing and MHL support
StarTech.com 4 Port HDMI KVM - HDMI KVM Switch - 1080p - USB 3.0 & Audio Support - KVM Video Switch (SV431HDU3A2) - KVM / USB switch - 4 ports - rack-mountable
StarTech.com 4 Port HDMI Switch - 4K with Fast Switching, Auto-Sensing & Serial Control - Automatic 4x1 HDMI Video Switcher Box (VS421HD4KA) - video/audio switch - 4 ports
StarTech.com 4 Port High Resolution USB DVI Dual Link KVM Switch with Audio - 4 Port - Rack-mountable
This 4 Port Dual Link DVI USB KVM Switch provides simple, yet comprehensive control of up to four directly connected computers as well as audio switching capability and support for high resolution applications (supports 1080p, and up to 2560x1600 @ 60Hz,...
StarTech.com 4 Port High Speed HDMI Video Splitter w/ Audio - 1 x Mini-phone Stereo Audio In
StarTech.com 4 Port IEEE-1394 FireWire PCI Card - 4 Total Firewire Port(s) - 4 Firewire 400 Port(s) - PC, Mac
StarTech.com 4-Port Multi Monitor Adapter, DisplayPort 1.2 MST Hub, 4x 1080p, Video Splitter for Extended Desktop Mode on Windows PCs Only, DP to Quad DP Monitors MST Hub - DP Multi Stream Transport Hub (MSTDP124DP) - video splitter - 4 ports