Power 11 EM54: 64 GB (2x32 GB) DDIMMs, 4000 MHz or 4800 MHz, 16 Gbit DDR5 Memory
EM54 is IBM's 64 GB (2x32 GB) DDIMMs, 4000 MHz or 4800 MHz, 16 Gbit DDR5 Memory. Listed for 9824-22A, 9824-42A.
Adds 64 GB of memory to a Power S1122 or S1124 as a matched pair of memory cards.
EM54 at a glance
| Detail | Value |
|---|---|
| Feature code | EM54 |
| Name | 64 GB (2x32 GB) DDIMMs, 4000 MHz or 4800 MHz, 16 Gbit DDR5 Memory |
| Part type | Memory |
| Capacity | 64 GB |
| Ddimms | 2 x 32 GB |
| Type | DDR5, 16 Gbit |
| Speed | 4000 MHz or 4800 MHz |
| Firmware | FW1110.00 or later |
| Listed for these Power 11 machine types | 9824-22A, 9824-42A |
| Runs with IBM i | Yes ... Memory is OS independent; the S1122 IBM i rules come from the processor feature, not the memory. |
Each feature delivers two DDIMMs. S1122 needs 32 GB minimum with one processor module (pairs) and 64 GB with two (quads). Midland lists the same feature for the L1122 (9856-22H) and L1124 (9856-42H).
Before you order EM54
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), sections 2.2.2 and 2.3.2, Tables 2-2 and 2-4. Always confirm against your server's own configuration before you order.
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