1 PCI Slot Mini-tower PC

2 PCI slot mini-tower PC - Windows 10 Support Also has 2 PCIe slots and 1 COM port with internal headers fro up to 4 more

A RAM slot, also known as a RAM socket, is a long, slim slot on the motherboard of a PC slots, you should use the second and fourth slots

pcie slot bracket PCI Slot x 3 30423052 B-Key x 1 Mini PCIe Slot x 1 Micro SIM Card Slot x 1

pcie training error slot 1 microSD card slot for main storage; 40-pin expansion header; Micro-USB port for 5V power input, or for Device Mode; Gigabit Ethernet port USB ports