Lenovo 128GB DDR5 TruDDR5
Brand: Lenovo | Category: Memory (RAM)
SKU: 4Z57A25946 | Part #: 4Z57A25946 | MPN: 4Z57A25946
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About the Lenovo 128GB DDR5 TruDDR5
The Lenovo 128GB DDR5 TruDDR5 RDIMM (part number 4Z57A25946) is engineered for next-generation ThinkSystem servers that demand maximum memory density and reliability. Built on DDR5 architecture with native on-die ECC and registered DIMM technology, this 128GB module delivers enterprise-grade error correction and dual-rank configuration (2Rx4) across 288-pin form factor. Operating at 1.1V, the TruDDR5 standard ensures Lenovo platform-validated stability and compatibility, making it the ideal choice for infrastructure requiring certified memory performance without compromise.
Data center infrastructure teams—including storage architects, IT procurement specialists, and cloud deployment engineers—select Lenovo TruDDR5 memory when mission-critical workloads demand fault tolerance and uptime guarantees. Organizations consolidating virtualization, analytics, and database workloads benefit from the 128GB capacity per module, reducing the number of DIMM slots required while maintaining ECC protection across memory channels. Whether supporting AI model training, large-scale databases, or high-frequency transaction processing, this Lenovo component delivers the validated performance curve that eliminates compatibility risk in production environments.
Omnixon Global stocks the 4Z57A25946 as part of our enterprise memory portfolio, sourcing directly from Lenovo to guarantee authenticity and warranty support across the UAE and GCC region. We specialize in bulk procurement for system integrators, cloud operators, and corporate IT departments building or upgrading ThinkSystem infrastructure. Contact our technical team to request an RFQ for this module and explore volume pricing tailored to your deployment timeline.
Technical Specifications
| Brand | Lenovo |
| Category | Memory (RAM) |
| SKU | 4Z57A25946 |
| Part Number | 4Z57A25946 |
| Condition | New |
| Capacity | 128GB |
| Form Factor | RDIMM |
| Speed | 5600 MT/s |
| Manufacturer Part Number | 4Z57A25946 |
| Module Description | TruDDR5 128GB RDIMM |
| Capacity | 128GB |
| Memory Technology | DDR5 |
| Module Type | RDIMM (Registered DIMM) |
| Error Correction | ECC (Error-Correcting Code) |
| Form Factor | 288-pin DIMM |
| Ranks | 2Rx4 (Dual Rank x4) |
| Compatible Platform | Lenovo ThinkSystem servers supporting DDR5 memory |
| ECC Support | Yes |
| Operating Voltage | 1.1V |
| On-Die ECC | Yes (native to DDR5 architecture) |
| Validation Program | Lenovo TruDDR5 (platform-specific compatibility and stability validated) |
Frequently Asked Questions about Lenovo 128GB DDR5 TruDDR5
What does the Lenovo 128GB DDR5 TruDDR5 do?
The Lenovo 128GB DDR5 TruDDR5 is enterprise server memory designed for ECC-protected workloads — virtualization hosts, database servers, analytics platforms, and AI training rigs. Lenovo validates this module against major server vendor compatibility matrices.
What are the headline specs of the Lenovo 128GB DDR5 TruDDR5?
Key specifications for the Lenovo 128GB DDR5 TruDDR5: new condition; memory type DDR5; memory capacity 128GB; memory speed 5600 MT/s; memory voltage 1.1V; memory form factor RDIMM. Manufacturer part number 4Z57A25946. For the full datasheet with electrical, environmental, and compliance details, contact our pre-sales engineering team.