A9781931-AM AddOn 128GB DDR4 2666MHz LRDIMM Memory Kit for Dell
A9781931-AM Overview
The A9781931-AM AddOn 128GB DDR4 2666MHz LRDIMM Memory Module for Dell is an enterprise-grade memory upgrade engineered for compatible Dell PowerEdge servers. This 128GB DDR4-2666 (PC4-21300) Load-Reduced ECC (LRDIMM) module delivers exceptional memory capacity, high-speed performance, and superior reliability for virtualization, cloud computing, enterprise databases, AI, and high-performance computing workloads. Featuring ECC error correction, an octal-rank x4 (8Rx4) architecture, 288-pin LRDIMM form factor, CL17 latency, and 1.2V low-voltage operation, it is manufactured using Tier 1 DRAM components and validated to JEDEC standards for dependable compatibility and long-term stability.
Description
| Feature | Details |
|---|---|
| Brand | AddOn |
| Part Number | A9781931-AM |
| Memory Capacity | 128GB |
| Memory Type | DDR4 SDRAM |
| Form Factor | 288-pin LRDIMM |
| Memory Standard | PC4-21300 |
| Speed | 2666MHz (DDR4-2666) |
| ECC Support | Yes |
| Buffered Type | Load-Reduced (LRDIMM) |
| Rank | Octal Rank (8Rx4) |
| CAS Latency | CL17 |
| Operating Voltage | 1.2V |
| Chip Organization | x4 |
| Compatible OEM | Dell |
| Application | Dell PowerEdge Servers |
| Warranty | Limited Lifetime Warranty |
Frequently Asked Questions
1. What type of memory is the A9781931-AM?
It is a 128GB DDR4-2666 Load-Reduced ECC (LRDIMM) memory module designed for compatible Dell PowerEdge servers.
2. Does this memory support ECC?
Yes. It features Error Correcting Code (ECC) technology that detects and corrects memory errors, ensuring maximum system stability and data integrity.
3. Is this an RDIMM or LRDIMM module?
This is a Load-Reduced DIMM (LRDIMM) and should only be installed in servers that specifically support DDR4 ECC LRDIMM memory.
4. What voltage does this memory operate at?
The module operates at 1.2V, providing energy-efficient performance while maintaining enterprise-grade reliability.
5. Which systems are compatible with this memory?
It is designed for compatible Dell PowerEdge servers that support 128GB DDR4-2666 ECC LRDIMM memory modules.
