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StarTech.com DisplayPort KVM Extender over Fiber Optic, 4K 60Hz, Console Extender Kit, Up to 984ft/300m (Multi-mode) with Pre-installed SFP+ Modules, 3x USB HID

StarTech.com 4K HDMI KVM Extender over Fiber - HDMI Video & USB Remote KVM Switch/Console Extender - up to 984ft/300m (MultiMode) - 2x 10G MMF SFP+ modules - KVM Extension Kit (TX/RX)

Black Box KVXLCHF-100 KVM extender Transmitter & receiver

Black Box KVXHP-200 KVM extender Transmitter & receiver