IBM 74Y4064 Handbook page 119

Figure 46. 4767-002 Cryptographic Coprocessor
Specifications
Item Description
Adapter FRU number
Not applicable
I/O bus architecture
PCIe1 x4
Slot requirement
For more information about slot priorities, maximums, and placement rules, see PCIe adapter
placement rules and slot priorities (http://www.ibm.com/support/knowledgecenter/POWER9/
p9eab/p9eab_mtm_pciplacement.htm) and select the system that you are working on.
Supported Systems
POWER8 and POWER9 processor-based systems
Voltage
3.3 V
Form factor
Half-length, with full-height tail stock
Dual card (Mother-daughter)
Attributes provided
Supported cryptographic mode: Common Cryptographic Architecture (CCA)
PPC 476 Processors run in lockstep and the outputs of each core are compared cycle by cycle
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Managing PCIe adapters