Mainboard MSI MAG B550 Tomahawk
Bàn phím Keychron X1 A Black · 1x PCIe 4.0/ 3.0 x16 slot (PCI_E1) · 1x PCIe 3.0 x16 slot (PCI_E3), supports x4 speed · 3x PCIe 3.0 x1 slots.
1U PCIe x16 1-slot Riser Card F1UL16RISER3
1U 1-slot PCIe riser card option One PCIe* add-in card slot – PCIe* x16, x16 mechanical.
EX9214-BASE3B-AC Juniper Base EX9214 system ... - Datech
Riser Slot 2: Included Slot Configuration(s), 1x PCIe Gen3 x16 ; I/O Specifications ; # of USB Ports, 5 ; Total # of SATA Ports, 10.