Manufacturer family image. Appearance can vary by configuration and revision.
Registered DIMM 1 × 128GB DDR5 memory for server platforms. Confirm the exact system and manufacturer compatibility guidance before ordering.
Estimated delivery: 3–5 working days, subject to stock confirmation.
Prices reviewed 12 October 2026. Your shortlist is a planning brief; no order is placed.
Registered server memory requires a compatible server memory controller. Follow the system’s channel, rank and population guidance.
Source-reviewed 2026-10-12. Match the full part number and check the manufacturer’s platform requirements. Similar capacity and speed do not establish compatibility.
| Manufacturer | Samsung |
|---|---|
| Product family | Registered DIMM |
| Manufacturer part number | M321RAJA0MB0-CCP |
| Memory generation | DDR5 |
| System category | Server |
| Total capacity | 128 GB |
| Module configuration | 1 × 128GB |
| Rated data rate | 6400 MT/s |
| Module type | RDIMM |
| System ECC | Yes |
| Latency / timings | See manufacturer specification |
| Voltage | 1.1V |
| Rank / organisation | 2R x4 |
PRODUCT FAMILY IMAGEM321R8GA0EB2-CCPWC
PRODUCT FAMILY IMAGEM321R4GA3PB2-CCPPC
PRODUCT FAMILY IMAGEKCS-UC564D4-128G
PRODUCT FAMILY IMAGEKSM64R52BD4-128MB