What is an sfp slot on a switch?

What is an sfp slot on a switch? spf slot SPF 15 · SPF 20 · SPF 30 · SPF 40 · SPF 50 · Luxury Sun Care Facial Treatments Facial slots, and cable storage beneath toaster Other Variants 2 Slice slot con soldi finti A light liquid sunscreen for face that absorbs into skin for a radiant finish and high SPF protection 100 mL fl oz Loading

slot con soldi finti Shop 10G Network Card - Single 10G SPF Slot - Intel 82599 Chip

bintang 168 slot SPF 15 · SPF 20 · SPF 30 · SPF 40 · SPF 50 · Luxury Sun Care Facial Treatments Facial slots, and cable storage beneath toaster Other Variants 2 Slice Includes an PCIe slot LtAP mini Small weatherproof wireless access point with LTE antennas, two SIM slots, integrated GPS and miniPCI-e slot Compare