Manual

073-1248 Rev. A 2
© 2009 Apple Inc. All rights reserved.
PCIe Slots
Your computer’s
backplane board includes
one double-wide PCI
Express (PCIe) graphics
slot and three PCIe
expansion slots, for a total
of four slots. All four slots
physically support cards of
up to x16 slot width.
Slot electrical specs:
Slots 1 and 2:• x16
PCIe 2.0
Slots 3 and 4:• x4
PCIe 2.0
Important: Combined
maximum power
consumption for all
four PCIe slots must not
exceed 300 W.
Required Tool
Phillips #1 screwdriver