Description
The AddOn Dell® A9781931 Compatible Factory Original 128GB DDR4-2666MHz Load-Reduced ECC Octal Rank x4 1.2V 288-pin CL17 LRDIMM delivers exceptional server performance, scalability, and reliability for demanding enterprise environments. Designed to meet or exceed OEM specifications, this high-capacity memory module optimizes data throughput and system stability while reducing power consumption. Built with premium components from Tier 1 manufacturers (Samsung®, Micron®, or Hynix®) and manufactured to JEDEC standards, it ensures seamless compatibility and dependable operation in Dell® server platforms. Ideal for virtualization, cloud computing, and high-performance data processing, this module features ECC for advanced error correction and load-reduced technology to support higher memory densities.
| Specification | Details |
|---|---|
| Compatible OEM | Dell® |
| Compatible With OEM Part Number(s) | A9781931 |
| Form Factor | LRDIMM |
| Memory Speed | DDR4-2666MHz |
| Speed | 2666MHz |
| Memory Size | 128GB |
| Technology | DDR4 |
| Pins | 288 |
| DIMM Type | Load-Reduced |
| Rank | Octal |
| Error Correction | ECC |
| Factory Original Tier 1 | Yes |
| CAS Latency | CL17 |
| Memory Voltage | 1.2V |
| Chip By Value | x4 |
| Product Shipping Dimension (HxWxD) | 0.5 in. x 2 in. x 6.5 in. |
| Product Shipping Weight (LB) | 0.75 |
| Kit | No Kit - 1 Piece |
| ECCN | EAR99 |
| HTS-Harmonized Code (UK) | 84733000 |
| HTS-Harmonized Code (US) | 8473.30.5100 |
| TAA Compliant | No |
| UNSPSC Code | 43201402 |
| UPC Code | 821456025474 |
| What's In The Box | 1x memory module |
Payment & Security
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Return Policy (Short Summary)
We offer a 30-day return window for most unopened, factory-sealed items.
Returns must be authorized before shipping back and must include all original packaging and accessories. Opened or used items are not returnable unless defective.
Some products—such as custom orders, special-order items, audio gear, software, and LED video walls—are non-returnable. Non-defective returns may be subject to a 20–30% restocking fee, and customers are responsible for return shipping costs.
For damaged or incorrect items, please contact us immediately.
From Scope to Sign-Off
A structured delivery process designed to reduce risk and keep projects moving.
Plan
Discovery, site review, requirements gathering, and project alignment. We define scope, constraints, and success criteria before any design work begins.
- Discovery calls & stakeholder interviews
- On-site survey & infrastructure review
- Requirements & use-case documentation
- Project scope, timeline & milestone alignment
Engineer
System design, schematics, signal flow, BOM development, and documentation. Every project leaves this phase with a complete engineering package.
- AV system design & signal flow diagrams
- Equipment selection & BOM development
- Rack layout & control system design
- As-built documentation package
Deploy
Procurement, logistics, installation, programming, commissioning, and training. We own the delivery from first shipment to final handoff.
- Authorized procurement & logistics coordination
- Physical installation & cable management
- Control system programming & configuration
- Commissioning, testing & end-user training
Support
Monitoring, maintenance, lifecycle planning, and long-term service agreements. We stay engaged long after project close.
- 24/7 remote system monitoring
- Preventive & reactive maintenance
- Technology lifecycle & refresh planning
- Long-term service level agreements
A decade of delivery — trusted by 275+ clients across industries
