Dell 256GB DDR5-4800 ECC RDIMM 2Rx4 Dual Rank

Dell 256GB DDR5-4800 ECC RDIMM 2Rx4 Dual Rank

Brand: Dell | Category: Memory (RAM)

SKU: AB940978 | Part #: AB940978 | MPN: AB940978

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About the Dell 256GB DDR5-4800 ECC RDIMM 2Rx4 Dual Rank

2Rx4 RDIMM with full ECC support, the Dell 256GB DDR5-4800 ECC RDIMM (part number AB940978) delivers enterprise-grade memory reliability for mission-critical server deployments. This dual-rank module operates at 4800 MT/s, providing the performance and data integrity assurance required by infrastructure teams managing large-scale virtualization, database, and analytics workloads across on-premises data centers.

Dell designed this 256GB capacity module to address the memory demands of next-generation server platforms where density and error correction are non-negotiable. The DDR5 technology combined with registered DIMM architecture ensures optimal stability in multi-socket configurations, while ECC functionality protects against silent data corruption—a critical requirement for storage architects, network engineers, and IT procurement teams standardizing on Dell infrastructure. New and sealed, part AB940978 integrates seamlessly into qualifying Dell server environments and arrives ready for immediate deployment.

Typical Enterprise Applications

  • High-capacity virtualization hosts requiring 256GB per socket with error correction
  • In-memory database systems and data warehouse acceleration platforms
  • Large-scale analytics and machine learning training environments
  • Mission-critical ERP and transactional database servers
  • Clustered storage and backup infrastructure with strict uptime requirements

For specifications, availability, and integration guidance on the Dell 256GB DDR5-4800 ECC RDIMM 2Rx4 Dual Rank (AB940978), contact the Omnixon Global enterprise solutions team to submit your RFQ today.

Technical Specifications

BrandDell
CategoryMemory (RAM)
SKUAB940978
Part NumberAB940978
ConditionNew
Capacity256 GB
Memory TypeDDR5
Speed4800 MT/s
Form FactorRDIMM
ECC SupportYes
Rank x Width2R x 4

Frequently Asked Questions about Dell 256GB DDR5-4800 ECC RDIMM 2Rx4 Dual Rank

Is the Dell 256GB DDR5-4800 ECC RDIMM 2Rx4 Dual Rank compatible with my server?

Part number AB940978 is qualified for Dell 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.