What is an sfp slot on a switch?

These Micro Limit Switch Plates are designed for mounting to V-Slot Linear Rail They give you multiple ways to mount and arrange your switches and are

Electronic Switches offers Infra Red Slot sensor in 50mm width, 45mm depth with 3wires in ABS Plastic Housing with sensitivity adjustment Unit operates on

switch slot ResetRGB SwitchDirect to BIOSSafe Mode 2*USB 1 Unlock the latch of the PCIe slot easily when remove the graphics card in the PCIe slot

switch lite cartridge slot In this video I show step by step how to replace the SD card slot in a Nintendo Switch game