IBM Power 11 Memory

Power 11 EM5J: 512 GB (2x256 GB) DDIMMs, 4000 MHz or 4800 MHz, 32 Gbit DDR5 Memory

EM5J is IBM's 512 GB (2x256 GB) DDIMMs, 4000 MHz or 4800 MHz, 32 Gbit DDR5 Memory. Listed for 9824-42A.

Adds 512 GB of memory to a Power S1124, the largest memory card pair for that server.

EM5J at a glance

DetailValue
Feature codeEM5J
Name512 GB (2x256 GB) DDIMMs, 4000 MHz or 4800 MHz, 32 Gbit DDR5 Memory
Part typeMemory
Capacity512 GB
Ddimms2 x 256 GB
TypeDDR5, 32 Gbit
Speed4000 MHz or 4800 MHz
Form factor4U DDIMM
Listed for these Power 11 machine types9824-42A
Runs with IBM iYes ... Memory is OS independent.

Only the 4U S1124 takes the 256 GB DDIMM. Midland also lists 9856-42H.

Before you order EM5J

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 2.3.2 and Table 2-4. Always confirm against your server's own configuration before you order.