Author Topic: guide to upgrading a 2006-2012 mac pro machine  (Read 798 times)

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Offline chrisNova777

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mac pro pci-e version of slots
« Reply #1 on: November 06, 2018, 04:01:08 AM »
http://revyourmac.com/blog/mac-pro-expansion-slots-pcie/

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Are My Mac Pro Expansion Slots PCIe 2.0 or 1.0?
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Every Mac Pro comes with four expansion slots on the motherboard, which can easily be accessed by taking off the side panel of your machine. Your graphics card will be in slot 1, which is double wide.

MacProExpansionSlots

PCIe 2.0 (PCI Express version 2.0) supports double the transfer rate compared to PCIe 1.0.

MacPro 4,1 (2009) and 5,1 (2010):

Slot 1: PCIe 2.0 (x16)
Slot 2: PCIe 2.0 (x16)
Slot 3: PCIe 2.0 (x4)
Slot 4: PCIe 2.0 (x4)
Mac Pro 3,1 (2008):

Slot 1: PCIe 2.0
Slot 2: PCIe 2.0
Slot 3: PCIe 1.0
Slot 4: PCIe 1.0
Mac Pro 1,1 (2006) and 2,1 (2007):

 All Slots PCIe 1.0