IBM Power 11 Expansion drawer

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

DetailValue
Feature codeENZ0
NamePCIe Gen4 I/O Expansion Drawer
Part typeExpansion drawer
Height4U, 19 inch
Slotsup to 12 PCIe Gen4 full height (6 per fan-out module)
Power2 power supplies
Listed for these Power 11 machine types9824-22A, 9824-42A, 9242-21B, 9080-HEU, 9043-MRU
Runs with IBM iYes ... 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.