Power 11 ENZ0: PCIe Gen4 I/O Expansion Drawer
ENZ0 is IBM's PCIe Gen4 I/O Expansion Drawer. Listed for 9824-22A, 9824-42A, 9242-21B and more.
A 4U drawer that adds up to 12 full height PCIe card slots when the server runs out of slots.
ENZ0 at a glance
| Detail | Value |
|---|---|
| Feature code | ENZ0 |
| Name | PCIe Gen4 I/O Expansion Drawer |
| Part type | Expansion drawer |
| Height | 4U, 19 inch |
| Slots | up to 12 PCIe Gen4 full height (6 per fan-out module) |
| Power | 2 power supplies |
| Listed for these Power 11 machine types | 9824-22A, 9824-42A, 9242-21B, 9080-HEU, 9043-MRU |
| Runs with IBM i | Yes ... IBM i 7.5 TR 3 and 7.4 TR 9 added support for this drawer. |
Replaces the PCIe Gen3 drawer EMX0, which Power11 does not support, and there is no upgrade from EMX0. Max per server: S1122 1, S1124 2, S1112 1 (one fan-out module only, not on the 9242-21T tower), E1150 2 or 4, E1180 4 per node.
Before you order ENZ0
An expansion drawer adds slots or drive bays when the server itself is full. It is often the difference between upgrading a Power 11 and replacing it.
Not sure which Power 11 you have? The Power 11 machine types page shows how to check. Collecting several parts for one quote? Use the Power 11 quote checklist. Or look up another feature code.
Source: IBM Power11 Scale-Out Servers: Introduction and Overview (SG24-8590-00), sections 3.2.2 to 3.2.4, Table 3-9; IBM Power E1180: Introduction and Overview (SG24-8587-00), Table 3-6; IBM Power E1150 Introduction and Technical Overview (SG24-8589-00), Table 3-5. Always confirm against your server's own configuration before you order.
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