SFF workstation slot identification and description
Maximum power used by all slots must not exceed total system power and is subject to configuration
limitations.
Slot Type Mechanical compatibility Electrical compatibility
1 PCIe2x16(4) x16 x4
2 PCIe2x1 x1 x1
3PCIe2x4(1) x4 x1
4 PCIe3x16 x16 x16
NOTE: The PCIe designators indicate the mechanical connector size and number of electrical PCIe
lanes routed to an expansion slot. For example, x16(4) means that the expansion slot is mechanically
a x16 length connector, with 4 PCIe2 lanes supported.
Component replacement guidelines 61