Mac Pro - Internal Expansion Options

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Chapter 2

Life with Your Mac Pro

Optical drives
Your Mac Pro comes with one or two DVD±R DL/DVD±RW/CD-RW SuperDrives. To
replace an optical drive, see “Replacing an Optical Drive” on page 68.
Hard disk drives or solid state drives
Your Mac Pro comes with up to four drives installed. To install or replace drives, see
“Installing Internal Storage Devices” on page 61.
PCI Express slots
Your Mac Pro has three PCI Express expansion slots. To install PCI cards in slots 2 through
4, see “Adding PCI Express Cards” on page 74.
Battery
Your Mac Pro uses an internal backup battery. If your Mac Pro has trouble starting up, or
if the system date and time are frequently incorrect, you may need to replace the battery.
See “Replacing the Internal Backup Battery” on page 79.
Double-wide PCI Express graphics slot
Connect up to two displays to the graphics card in the PCI Express graphics slot (slot 1).
You can replace the card in this slot and install additional graphics cards in PCI slots 2
through 4. See “Adding PCI Express Cards” on page 74.
Memory slots
Your Mac Pro has four or eight memory expansion slots, depending on the model. To add
more memory, install PC3-10600E, 1333 MHz, DDR3 ECC SDRAM UDIMMs in the memory
slots. For information about the type of memory used in your Mac Pro, see “Installing
Memory” on page 43.