The Dell PowerEdge R650 (15th Gen) supports up to 2TB of DDR4 memory across 32 DIMM slots. It uses DDR4-3200MHz, offering higher bandwidth than the previous R640.
R650 vs R640 Memory Comparison
| Feature | R640 (14G) | R650 (15G) |
|---|---|---|
| DIMM Slots | 24 | 32 |
| Max Capacity | 3TB | 2TB |
| Max Speed | 2666MHz | 3200MHz |
| Memory Type | DDR4 | DDR4 |
Note: While the R650 has more DIMM slots, its max capacity is lower because it uses 64GB RDIMMs maximum (vs 128GB LRDIMMs on R640).