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4-Port HDMI Automatic Video Switch - 4K with Fast Switching Switch between four HDMI sources on a single HDMI display, with 4K video resolution and fast switching for minimal disruption.

4-Port DisplayPort KVM Switch - USB 3.0 - 4K N/A.

4-Port HDMI KVM Switch - USB 3.0 - 1080p Control four HDMI computers using a single console, with a built-in USB 3.0 hub for sharing additional peripheral devices.

4-Port USB 3.0 Hub - USB-C to 1x USB-C and 3x USB-A Turn a USB Type-C port on your laptop into three USB Type-A ports (5 Gbps) and one USB Type-C port.

4-Port USB 3.0 Hub plus Dedicated Charging Port - 1 x 2.4A Port Add four USB 3.0 ports to your computer, plus fast-charge your mobile device.

4 Port Dual DisplayPort KVM Switch - 4K 60Hz

4Port USB 3.2 Gen 1 (5Gbps) Managed Industrial USB Hub w/3x USBA ports supporting BC 1.2 (2.4A) charging (power supply req) Software (free download) to enable/disable individual/all ports and reboot...

4 Port USB C Hub - Mini Hub - USB-C to 4x USB-A - USB 2.0

4-Port Portable USB 3.0 Hub with Built-in Cable. Add four USB 3.0 (5Gbps) ports to your MacBook, using this silver, Apple style hub.

4 Port USB C Hub with Power Delivery - USB-C to 4x USB-A - USB 3.0 Hub

Control 4 USB enabled computers with this complete KVM kit including cables - 4 port KVM Switch. Cables included.

4-Port PCIe Gigabit Network Adapter Card Add four Gigabit Ethernet ports to a client, server or workstation through one PCI Express slot.