The computer has one PCI Express x1 expansion slot, one PCI Express x16 expansion slot, and two
PCI expansion slots. The expansion slots accommodate full-height or half-height expansion cards.
Figure 7-10 Expansion Slot Locations – HP Pro 3330/3380
Figure 7-11 Expansion Slot Locations — HP Pro 3340/3348
60 Chapter 7 Removal and Replacement Procedures – Microtower (MT) Chassis