IBM Power 11 Memory

Power 11 EM5G: 256 GB (2x128 GB) DDIMMs, 4000 MHz or 4800 MHz, 32 Gbit DDR5 Memory

EM5G is IBM's 256 GB (2x128 GB) DDIMMs, 4000 MHz or 4800 MHz, 32 Gbit DDR5 Memory. Listed for 9824-22A.

Adds 256 GB of memory to a 2U Power S1122 using low profile memory cards.

EM5G at a glance

DetailValue
Feature codeEM5G
Name256 GB (2x128 GB) DDIMMs, 4000 MHz or 4800 MHz, 32 Gbit DDR5 Memory
Part typeMemory
Capacity256 GB
Ddimms2 x 128 GB
TypeDDR5, 32 Gbit
Speed4000 MHz or 4800 MHz
Form factor2U (low profile) DDIMM
Listed for these Power 11 machine types9824-22A
Runs with IBM iYes ... Memory is OS independent.

SG24-8590 Table 2-2 prints 32 Gbit for EM5G; Midland describes the same 2x128 GB DDIMM part as 16 Gbit.

The S1122 counterpart of the S1124 256 GB feature EM4M. The S1122 tops out at 4 TB with 32 DDIMM slots. Midland also lists 9856-22H.

Before you order EM5G

Adding memory can give a busy Power 11 more room without replacing the server. Match the new modules to the size and type already installed, and check how many memory slots your model has free before you order.

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), section 2.2.2 and Table 2-2. Always confirm against your server's own configuration before you order.