AddOn 64GB DDR4 SDRAM Memory Module, ECC LRDIMM, 2666MHz, Server & Workstation RAM, 288-pin, CL17, Registered, 1.2V - A9781930-AM (Lifetime Warranty)

64GB DDR4 SDRAM LRDIMM memory module with black heat spreaders on green PCB - side view-alternate-image1
64GB DDR4 LRDIMM memory module - horizontal view showing full length-alternate-image2
64GB DDR4 LRDIMM memory module - diagonal perspective showing component layout-alternate-image3
Close-up view of 64GB DDR4 LRDIMM showing detailed chip arrangement and heat spreaders-alternate-image4
64GB DDR4 LRDIMM memory module - angled view emphasizing PCB layout-alternate-image5
64GB DDR4 LRDIMM memory module - perspective view showing build quality-alternate-image6
Detailed view of 64GB DDR4 LRDIMM memory module components and circuitry-alternate-image7
64GB DDR4 SDRAM LRDIMM memory module with black heat spreaders on green PCB - side view-alternate-image1
64GB DDR4 LRDIMM memory module - horizontal view showing full length-alternate-image2
64GB DDR4 LRDIMM memory module - diagonal perspective showing component layout-alternate-image3
Close-up view of 64GB DDR4 LRDIMM showing detailed chip arrangement and heat spreaders-alternate-image4
64GB DDR4 LRDIMM memory module - angled view emphasizing PCB layout-alternate-image5
64GB DDR4 LRDIMM memory module - perspective view showing build quality-alternate-image6
Detailed view of 64GB DDR4 LRDIMM memory module components and circuitry-alternate-image7
64GB DDR4 SDRAM LRDIMM memory module with black heat spreaders on green PCB - side view-alternate-image1
64GB DDR4 LRDIMM memory module - horizontal view showing full length-alternate-image2
64GB DDR4 LRDIMM memory module - diagonal perspective showing component layout-alternate-image3
Close-up view of 64GB DDR4 LRDIMM showing detailed chip arrangement and heat spreaders-alternate-image4
64GB DDR4 LRDIMM memory module - angled view emphasizing PCB layout-alternate-image5
64GB DDR4 LRDIMM memory module - perspective view showing build quality-alternate-image6
Detailed view of 64GB DDR4 LRDIMM memory module components and circuitry-alternate-image7
AddOn 64GB DDR4 SDRAM Memory Module, ECC LRDIMM, 2666MHz,...
64GB DDR4 SDRAM LRDIMM memory module with black heat spreaders on green PCB - side view-alternate-image1
64GB DDR4 LRDIMM memory module - horizontal view showing full length-alternate-image2
64GB DDR4 LRDIMM memory module - diagonal perspective showing component layout-alternate-image3
Close-up view of 64GB DDR4 LRDIMM showing detailed chip arrangement and heat spreaders-alternate-image4
64GB DDR4 LRDIMM memory module - angled view emphasizing PCB layout-alternate-image5
64GB DDR4 LRDIMM memory module - perspective view showing build quality-alternate-image6
Detailed view of 64GB DDR4 LRDIMM memory module components and circuitry-alternate-image7

AddOn 64GB DDR4 SDRAM Memory Module, ECC LRDIMM, 2666MHz, Server & Workstation RAM, 288-pin, CL17, Registered, 1.2V - A9781930-AM (Lifetime Warranty)

AddOn A9781930-AM

$3,439.00 $5,937.00 Save $2,498
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  • Lifetime Warranty
  • 30 Day Returns
  • Carbon Neutral

Memory Size:

  • 64GB
  • 16GB
  • 4GB
  • 8GB
  • 24GB
  • 32GB

Memory Speed:

  • 2666MHz
  • 1600MHz
  • 3200MHz
  • 2400MHz
  • 2133MHz
  • 1866MHz

Memory Technology:

  • DDR4SDRAM
  • DDR3SDRAM

Product Key Features

  • 💾 64GB DDR4 SDRAM Memory Module
  • ⚡ 2666 MHz Speed (DDR4-2666/PC4-21333)
  • 🔒 ECC Error Checking with LRDIMM Form Factor
  • 🔌 288-pin Configuration with 1.2V Operation
  • ⚙️ CL17 Latency with Registered Signal Processing
  • 🖥️ Compatible with Dell PowerEdge Servers & Precision Workstations
  • ♾️ Lifetime Warranty Coverage
  • ✅ 100% Compatibility Guaranteed
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AddOn

A9781930-AM

AddOn 64GB DDR4-2666MHz LRDIMM ECC Server Memory Module

Enhance your server's performance with the AddOn A9781930-AM 64GB DDR4 SDRAM Memory Module. This high-capacity LRDIMM memory module features DDR4-2666MHz speed, ECC protection, and quad rank architecture, specifically designed for Dell PowerEdge servers and Precision workstations. Built to strict JEDEC standards using tier 1 components, this module comes with a lifetime warranty and guaranteed compatibility.

Professional-Grade Server Memory Specifications

The A9781930-AM operates at 2666MHz with a CL17 latency, delivering optimal performance for demanding server applications. This 288-pin LRDIMM module runs at an efficient 1.2V and includes ECC (Error Checking and Correction) technology to ensure data integrity and system stability.

Compatibility and System Support

Dell PowerEdge Server Compatibility:

  • PowerEdge C6420
  • PowerEdge MX840c
  • PowerEdge R640
  • PowerEdge R7415
  • PowerEdge R7425
  • PowerEdge R840
  • PowerEdge R940
  • PowerEdge R940XA
  • PowerEdge T440
  • PowerEdge T640

Workstation Compatibility:

  • Precision Tower T7920XL

Quality Assurance and Warranty

Each AddOn memory module undergoes rigorous testing and is manufactured in tier 1 facilities using components from industry leaders like Samsung, Micron, or Hynix. The module comes with a lifetime warranty and is guaranteed not to void OEM warranties, providing peace of mind for mission-critical server environments.

Technical Specifications

Specification Detail
Memory Type DDR4-2666/PC4-21333 SDRAM
Capacity 64GB
Form Factor LRDIMM (Load Reduced)
Error Checking ECC
Speed 2666 MHz
CAS Latency CL17
Voltage 1.2V
Pin Configuration 288-pin

This Dell A9781930 compatible 64GB DDR4-2666MHz quad rank registered ECC 1.2V 288-pin CL17 factory original RDIMM is 100% guaranteed to be compatible with your system and to work right the first time. All of our server memory is built to strict JEDEC standards at one of the tier 1 facilities (Samsung, Micron, or Hynix). Our products are also guaranteed by federal law to not affect or void OEM warranties.

Return Policy

Time to Return

Standard Return Policy

We offer a hassle-free 30-day returns policy for domestic (US) orders, excluding non-refundable items. Refund or Replacement within 30 days of the delivery date. All products that fall under the Standard Return Policy qualify for our 30-Day Hassle-Free Returns. Please see the section above for more details.

Replacement Only Return Policy

Replacement within 30 days of the delivery date.

Manufacturer Only Return Policy

Covered by the manufacturer's warranty. Please refer to the terms and conditions for the manufacturer's warranty or contact the manufacturer.

Holiday Extended Return Policies

Extended Holiday Return Policy.

Qualifying purchases of products displaying the " Extended Holiday Return Policy ", from November 1st, 2023 to December 25, 2023, are eligible for a Refund or Replacement until January 31, 2024.

Extended Holiday Replacement-Only Return Policy

Qualifying purchases of products displaying the " Extended Holiday Replacement-Only Return Policy ", from November 1st, 2023 to December 25, 2023, are eligible for a Replacement until January 31, 2024.

64GB DDR4 SDRAM LRDIMM memory module with black heat spreaders on green PCB - side view

High-Performance Server Memory with Advanced ECC Protection

The AddOn 64GB DDR4 SDRAM module delivers enterprise-grade reliability through its advanced ECC protection and LRDIMM architecture. Built with premium components on a green PCB, this memory module features strategically placed black heat spreaders for optimal thermal management. The quad-rank design enables higher memory density while maintaining system stability.

Technical Specifications

  • 2666MHz DDR4 speed for rapid data transfer
  • ECC protection for data integrity
  • 288-pin DIMM form factor
  • 1.2V operating voltage

Applications

  • High-performance database servers
  • Virtual machine host systems
  • Data center infrastructure
  • Enterprise cloud computing
64GB DDR4 LRDIMM memory module - horizontal view showing full length

Enterprise-Grade Memory Architecture for Maximum Reliability

This Dell-compatible memory module showcases the robust LRDIMM design with multiple memory ranks for enhanced performance. The premium-grade components are arranged in an optimized layout that ensures signal integrity and thermal efficiency. Each module undergoes rigorous testing to guarantee compatibility with Dell PowerEdge servers.

Technical Specifications

  • Load-reduced architecture for signal integrity
  • Multi-rank design for density optimization
  • CL17 latency rating
  • Registered buffering

Applications

  • Mission-critical server applications
  • Large-scale data processing
  • Enterprise resource planning
  • High-performance computing
64GB DDR4 LRDIMM memory module - diagonal perspective showing component layout

Precision-Engineered Memory for Enterprise Servers

The module's advanced architecture incorporates multiple memory ranks with optimized component placement for superior performance. Each element is carefully positioned to maximize airflow and heat dissipation, ensuring reliable operation in demanding server environments.

Technical Specifications

  • Quad-rank memory configuration
  • Server-grade component selection
  • Optimized thermal design
  • Enterprise-class reliability

Applications

  • Data center operations
  • Server virtualization
  • Database management
  • Cloud infrastructure
Close-up view of 64GB DDR4 LRDIMM showing detailed chip arrangement and heat spreaders

Advanced Thermal Management Design

Featuring strategically placed heat spreaders and optimal component spacing, this memory module is engineered for superior thermal performance. The careful arrangement of memory chips and supporting components ensures consistent operation under heavy server workloads.

Technical Specifications

  • Enhanced thermal dissipation
  • Strategic component placement
  • Optimized air flow design
  • Temperature-monitored testing

Applications

  • High-density server environments
  • 24/7 operation centers
  • Performance-critical applications
  • Enterprise data processing
64GB DDR4 LRDIMM memory module - angled view emphasizing PCB layout

Server-Grade Memory with Superior Signal Integrity

This LRDIMM module incorporates advanced signal buffering and carefully routed traces for optimal electrical performance. The design ensures reliable data transmission even in fully populated server configurations with maximum memory capacity.

Technical Specifications

  • Advanced signal buffering
  • Optimized trace routing
  • Full-capacity support
  • Enterprise-grade PCB

Applications

  • High-availability systems
  • Memory-intensive applications
  • Enterprise databases
  • Virtualized environments
64GB DDR4 LRDIMM memory module - perspective view showing build quality

Enterprise Memory Built for Reliability

Each module undergoes comprehensive testing to ensure compatibility with Dell PowerEdge servers. The premium components and precise manufacturing process deliver the reliability demanded by enterprise environments.

Technical Specifications

  • 100% compatibility testing
  • Premium component selection
  • Precision manufacturing
  • Quality assurance verified

Applications

  • Critical business operations
  • Enterprise server systems
  • Data center deployment
  • High-performance computing
Detailed view of 64GB DDR4 LRDIMM memory module components and circuitry

Maximum Performance Memory Architecture

The module's sophisticated design incorporates multiple memory ranks and advanced buffering for optimal performance. Every aspect of the component layout is optimized for reliability and consistent operation in demanding server environments.

Technical Specifications

  • Multi-rank architecture
  • Advanced buffering technology
  • Optimized circuit design
  • Enterprise reliability features

Applications

  • Performance-critical servers
  • Enterprise data centers
  • Cloud computing platforms
  • High-availability systems
FAQ
The AddOn A9781930-AM is a 64GB DDR4 SDRAM memory module. It operates at 2666MHz (DDR4-2666/PC4-21333) and features ECC (Error Checking and Correction) technology with LRDIMM form factor.
This memory module is compatible with multiple Dell PowerEdge servers including C6420, MX840c, R640, R7415, R7425, R840, R940, R940XA, T440, and T640. It's also compatible with the Dell Precision Tower Workstation T7920XL.
The module features 2666MHz speed, 1.2V operating voltage, CL17 latency, and uses a 288-pin configuration. It's a quad rank registered ECC memory module that follows DDR4-2666/PC4-21333 standards.
The AddOn A9781930-AM comes with a lifetime warranty, ensuring long-term protection for your investment. The warranty coverage doesn't affect or void OEM warranties, as guaranteed by federal law.
Yes, this Dell A9781930 compatible memory module is 100% guaranteed to be compatible with supported systems and work correctly on first installation. It's built to strict JEDEC standards at tier 1 facilities (Samsung, Micron, or Hynix).
This memory module features ECC (Error Checking and Correction) technology and is a registered DIMM (LRDIMM). This provides enhanced reliability and data integrity, making it ideal for server and workstation applications.
The module follows the DDR4-2666/PC4-21333 memory standard and comes in an LRDIMM (Load Reduced DIMM) form factor with 288 pins. This configuration is specifically designed for high-performance server and workstation applications.
This memory module is built at tier 1 facilities (Samsung, Micron, or Hynix) and adheres to strict JEDEC standards. It's a factory original RDIMM ensuring the highest quality and reliability for server and workstation applications.

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