What are PCIe Slots in PC?

micro pc with pcie slot   Dan microsdxc dedicated slot

Stealth's Expansion Slot Mini PCs are versatile solutions and offer single or dual expansion slot options in a small form factor size

Mini PC with PCI Express x4 slot and 2 displays STS Industrial Grade Fanless Embedded Computer with PCI slot PCIe slot Box PC ; Processor Based on Intel Core 6th7th generation i7i5i3PentiumCeleron CPU,

mia88 slot Axiomtek presents a compact Mini-ITX mainboard MANO540 supporting 10th generation Comet Lake processors There is a FCLGA1200 slot for Intel The model LPC-480PCIG4 is a powerful Mini PC with PCI slot expansion This rugged small form factor computer has an abundant amount of IO, Storage & more