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- Description
- Specifications
IBM feature #EM63 is a 32 GB DDR4 memory DIMM, CCIN 324F, for the POWER9 servers Power AC922 (machine type 8335), Power L922 (9008), and Power S914, S922 and S924 (9009). Each feature code equates to a single physical DIMM. On the Power S914, S922 and S924 the 32 GB DIMM is a two-rank (2R) registered DDR4 DIMM, and in the Power AC922 it is a 2666 MHz DDR4 RDIMM.
On the Power AC922 all 16 memory DIMM slots must be populated and memory features cannot be mixed, so sixteen #EM63 total 512 GB of memory. On the Power S914 the maximum is 16 DIMMs and on the Power S922, S924 and L922 it is 32 DIMMs. Memory on those servers is ordered in pairs, and different sizes and configurations run at 2133, 2400 or 2666 Mbps.
A Power S914 with the 4-core processor module (#EP10) takes at most 64 GB, which is two 32 GB DIMMs,. The Power S914, S922 and S924 minimum is 32 GB for a server with one processor module and 64 GB for a two-module server.
| Feature code | #EM63 |
| Description | 32 GB DDR4 Memory |
| CCIN | 324F |
| Capacity | 32 GB |
| Memory type | DDR4 registered DIMM (RDIMM), two-rank (2R) on the S914, S922, S924 |
| Speed | 2666 MHz (AC922); 2133, 2400 or 2666 Mbps by configuration (S914, S922, S924, L922) |
| Machine types | 8335 (Power AC922), 9008 (Power L922), 9009 (Power S914, S922, S924) |
| Maximum quantity | 16 (AC922, S914); 32 (S922, S924, L922) |
| Ordering | single DIMM per feature; installed in pairs on the S914, S922, S924, L922 |
| AC922 population | all 16 slots, no mixing |