Expansion Chassis & Cards

Thunderbolt 3
For full-length PCIe and graphics cards

Thunderbolt 2
No PCIe card

Thunderbolt 3
For half-length PCIe cards

Thunderbolt 3
1.2TB PCIe SSD

USB 3.0 PCIe add-in card
Occupies one PCI Express slot (x1)

USB 3.0 ExpressCard/34 add-in card
Occupies one 34mm slot