4X77A93529 Lenovo 128GB DDR5-6400 ECC RDIMM 2Rx4 1.1V Compatible Memory
128GBDDR5-6400RDIMM2Rx41.1V
SKU: 4X77A93529
$ 4,783
≈ €4294.00
🟢 250 pcs available · Lead time: 4-5 Days · Updated 9 Oct 2026
More stock for this part
QuantityPriceShips InUpdated
118 pcs$5548Lead time 3-4 daysUpdated 12 Oct 2026
250 pcs$4891Lead time 2-3 daysUpdated 25 Sep 2026
250 pcs$5163Lead time 7-8 daysUpdated 24 Sep 2026
50+ pcs$5141Lead time 4-5 daysUpdated 17 Sep 2026
20 pcs$4761Lead time 6-7 daysUpdated 15 Sep 2026
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Prices and availability may change and are confirmed on quotation.
Overview
- Lenovo does not manufacture memory.
Their systems are qualified using modules from global tier-one manufacturers such as Samsung, Micron, and SK Hynix. - This module is JEDEC-compliant and spec-matched for Lenovo platforms
Ensuring reliable compatibility, performance, and long-term stability. - Supplied as:
M321RAJA0MB2-CCP Samsung 128GB DDR5-6400 ECC RDIMM 2Rx4 1.1V Memory. - Fully compatible
Fully compatible with servers requiring 4X77A93529.
4X77A93529 Specifications
| Compatible OEM | Lenovo |
|---|---|
| Part Number | 4X77A93529 |
| Memory Size | 128GB |
| Memory Speed | DDR5-6400 |
| Memory Technology | DDR5 |
| Speed | 6400 |
| Rank and Organization | 2Rx4 |
| Rank Type | Dual Rank |
| Chip Organization | x4 |
| Error Correction (ECC) | ECC |
| CAS Latency | CL52 |
| DIMM Type | Registered |
| Form Factor | RDIMM |
| Voltage | 1.1V |
| Pins | 288 |
| Height | STD |
| JEDEC Specification | PC5-51200R |
| Temperature | 0°C to 95°C |
Compatible Systems
Same-Spec Alternatives
Alternative part numbers with matching key specifications.
| Picture | Part Number | Brand | Size | Speed | Form Factor | Ships In | Stock | Price | |
|---|---|---|---|---|---|---|---|---|---|
| Micron | 128GB | DDR5-6400 | RDIMM | 100 | |||||
| Micron | 128GB | DDR5-6400 | RDIMM | 196 | |||||
| Micron | 128GB | DDR5-6400 | RDIMM | 50+ | |||||
| Samsung | 128GB | DDR5-6400 | RDIMM | 250 | |||||
| SK Hynix | 128GB | DDR5-6400 | RDIMM | 2000 | |||||
| SK Hynix | 128GB | DDR5-6400 | RDIMM | 2000 | |||||
| Samsung | 128GB | DDR5-6400 | RDIMM | ||||||
| SK Hynix | 128GB | DDR5-6400 | RDIMM | ||||||
| SK Hynix | 128GB | DDR5-6400 | RDIMM |
Need help choosing between available part numbers? Contact us for pricing and availability.











