64GB DDR5 RDIMM
4X77A77033
ThinkSystem TruDDR5 1 × 32GB DDR5 memory for server platforms. Intel server 9x4 RDIMM option. Verify support in the exact ThinkSystem product guide.
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 | Lenovo |
|---|---|
| Product family | ThinkSystem TruDDR5 |
| Manufacturer part number | 4X77A77483 |
| Memory generation | DDR5 |
| System category | Server |
| Total capacity | 32 GB |
| Module configuration | 1 × 32GB |
| Rated data rate | 4800 MT/s |
| Module type | RDIMM |
| System ECC | Yes |
| Latency / timings | See manufacturer specification |
| Voltage | See manufacturer specification |
| Rank / organisation | 1R x4 |