HP Z220 SFF, Z220 CMT, Z420, Z620, and Z820 Workstations Maintenance and Service Guide

HP Z220 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
1PCIe2 x1 x1 x1
2 PCIe2 x16 (4) x16 x4
3 PCIe3 x16 x16 x16
4 PCI 32/33 PCI PCI
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 a x16 length connector, with 8 PCIe lanes supported.
Component replacement guidelines 81