Apple MA970LL User Manual - Page 60

Adding PCI Express Cards

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Adding PCI Express Cards You can expand the capabilities of your Mac Pro by installing cards in the Peripheral Component Interconnect (PCI) Express slots. Your Mac Pro has one double-wide PCI Express graphics slot and three PCI Express expansion slots, for a total of four slots. These slots accommodate PCI Express graphics cards and expansion cards. About PCI Express Cards Your Mac Pro comes with a high-performance PCI Express graphics card, which contains the graphics processor unit (GPU) and provides the computer's display ports. The graphics card is installed in slot 1. You can install additional PCI Express graphics and expansion cards. Before installing a card, refer to the table below and check its specifications to make sure it can operate in your Mac Pro. Slot 4 3 2 1 (double-wide) Type PCI Express 1.1 PCI Express 1.1 PCI Express 2.0 PCI Express 2.0 Bandwidth 4-lane 4-lane 16-lane 16-lane Important: Combined maximum power consumption for all four PCI Express slots must not exceed 300 watts (W). 60 Chapter 3 Making a Good Thing Better

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60
Chapter 3
Making a Good Thing Better
Adding
PCI
Express
Cards
You can expand the capabilities of your Mac Pro by installing cards in the Peripheral
Component Interconnect (PCI) Express slots. Your Mac Pro has one double-wide PCI
Express graphics slot and three PCI Express expansion slots, for a total of four slots.
These slots accommodate PCI Express graphics cards and expansion cards.
About PCI Express Cards
Your Mac Pro comes with a high-performance PCI Express graphics card, which
contains the graphics processor unit (GPU) and provides the computer’s display ports.
The graphics card is installed in slot 1.
You can install additional PCI Express graphics and expansion cards. Before installing a
card, refer to the table below and check its specifications to make sure it can operate in
your Mac Pro.
Important:
Combined maximum power consumption for all four PCI Express slots must
not exceed 300 watts (W).
Slot
Type
Bandwidth
4
PCI Express 1.1
4-lane
3
PCI Express 1.1
4-lane
2
PCI Express 2.0
16-lane
1 (double-wide)
PCI Express 2.0
16-lane