IBM 74Y4064 Handbook page 85

Figure 28. PCIe3 x8 NVMe 1.6 TB SSD NVMe Flash Adapter
Specifications
Item Description
Adapter FRU number
01DH573 (Designed to comply with RoHS requirement).
I/O bus architecture
PCIe3 x8.
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.
Voltage
3.3 V, 12 V.
Form factor
Short, low-profile (FC EC5A).
Short, with full-height tailstock (FC EC5B).
Maximum number
For details about the maximum number of adapters that are supported, 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.
Attributes provided
1.6 TB of low latency flash memory.
Non-Volatile Write Buffer.
Hot Plug Capable.
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Managing PCIe adapters