Lenovo TruDDR5 256GB 4Rx4 PC5-51200 ECC MRDIMM 6400MHz
Brand: Lenovo | Category: Memory (RAM)
SKU: 4X71N41590 | Part #: 4X71N41590 | MPN: 4X71N41590
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About the Lenovo TruDDR5 256GB 4Rx4 PC5-51200 ECC MRDIMM 6400MHz
A single 256 GB MRDIMM module establishes the memory ceiling for Lenovo ThinkSystem servers equipped with MRDIMM support, enabling enterprise infrastructure teams to maximize per-socket capacity in high-density deployments. The Lenovo TruDDR5 (part number 4X71N41590) delivers 51.2 GB/s peak theoretical bandwidth at 6400 MT/s, combining quad-rank configuration (4Rx4) with ECC protection to ensure data integrity across mission-critical workloads. Built on DDR5 SDRAM technology and rated at PC5-51200, this 288-pin DIMM operates at 1.1 V and meets RoHS compliance standards, making it suitable for regulated enterprise environments.
For storage architects and IT procurement teams evaluating memory upgrades, this Lenovo module addresses the need for higher capacity per slot without multiplying DIMM count. The MRDIMM form factor reduces physical footprint while the ECC feature guards against silent data corruption—critical in 24/7 server operations. When configured in ThinkSystem platforms with MRDIMM slots, the 4X71N41590 part number guarantees compatibility and simplifies inventory management across standardized infrastructure.
Enterprise Deployment Scenarios
- In-memory database acceleration for financial services, where 256 GB per socket supports large working datasets with single-digit latency
- Virtual machine consolidation in hybrid cloud environments, enabling higher VM density per ThinkSystem host with ECC reliability
- High-performance computing clusters requiring consistent 6400 MT/s transfer rates across homogeneous node configurations
- Data warehouse and analytics platforms leveraging quad-rank density to reduce server sprawl while maintaining bandwidth headroom
- Virtualized application servers in regulated industries where ECC error correction is mandatory for compliance audits
Contact Omnixon Global to explore memory solutions tailored to your ThinkSystem infrastructure and request a formal quotation for the Lenovo TruDDR5 256GB module.
Technical Specifications
| Brand | Lenovo |
| Category | Memory (RAM) |
| SKU | 4X71N41590 |
| Part Number | 4X71N41590 |
| Condition | New |
| Manufacturer Part Number | 4X71N41590 |
| Module Type | MRDIMM (Multiplexer Rank DIMM) |
| Capacity | 256 GB |
| DDR Generation | DDR5 |
| Speed (Transfer Rate) | 6400 MT/s |
| PC Speed Rating | PC5-51200 |
| Rank Configuration | 4Rx4 (Quad Rank, x4 width) |
| Error Correction | ECC (Error-Correcting Code) |
| Voltage | 1.1 V |
| Form Factor | 288-pin DIMM |
| Memory Technology | DDR5 SDRAM |
| Peak Theoretical Bandwidth | 51.2 GB/s |
| Compatible Platform | Lenovo ThinkSystem servers with MRDIMM support |
| Product Line | Lenovo TruDDR5 |
| RoHS Compliance | Yes |
Frequently Asked Questions about Lenovo TruDDR5 256GB 4Rx4 PC5-51200 ECC MRDIMM 6400MHz
Is the Lenovo TruDDR5 256GB 4Rx4 PC5-51200 ECC MRDIMM 6400MHz compatible with my server?
Part number 4X71N41590 is qualified for Lenovo servers that list compatible memory in their QVL. We verify QVL match before quoting — share your server model in the RFQ and our pre-sales engineers confirm fit, recommended population pattern, and total capacity supported.
What support applies to this memory module?
Full manufacturer support (typically 3 years, RDIMM/LRDIMM SKUs often lifetime against manufacturing defects). All product is sourced through distribution so support registers cleanly under your company name.
How do I request a quote?
Submit the RFQ form on this page with your quantity and destination country. Our pre-sales team responds with a vendor-confirmed quote, availability, and matching server-QVL confirmation if needed.