HP Z640 Workstation slot identification and description
Maximum power used by all slots must not exceed total system power and is subject to configuration
limitations.
NOTE:
Slot 1 is not available in dual processor configurations.
Slot
1
2
3
4
5
6
NOTE:
The PCIe designators indicate the mechanical connector size and number of electrical PCIe lanes
routed to an expansion slot. For example, x16 (8) means that the expansion slot is mechanically an x16
length connector, with 8 PCIe lanes supported.
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Chapter 3 Component replacement information and guidelines
Type
Mechanical compatibility
PCIe2 x4 (1)
PCIe3 x16
PCIe2 x8 (4)
PCIe3 x8
PCIe3 x16
PCI 32/33
Electrical compatibility
x4
x16
x8
x8
x16
PCI
x1
x16
x4
x8
x16
PCI