The Dell 32GB 2Rx4 DDR4-2666V PC4-21300 ECC Registered Memory SK Hynix SNPTN78YC/32G HMA84GR7AFR4N-VK is a high-performance enterprise memory module designed to deliver the reliability, scalability, and efficiency required by modern Dell PowerEdge servers and Precision workstation platforms. Built with genuine SK Hynix components and optimized for Dell enterprise environments, this 32GB DDR4 RDIMM provides exceptional performance for virtualization, cloud computing, database management, analytics, and mission-critical business applications.
Featuring a 2Rx4 dual-rank architecture and operating at 2666 MT/s, this module offers increased bandwidth and memory throughput compared to previous DDR4 generations. ECC (Error-Correcting Code) protection helps maintain data integrity by detecting and correcting memory errors, while the registered buffer architecture improves signal quality and stability in high-capacity server configurations.
The HMA84GR7AFR4N-VK-DELL is an ideal upgrade for Dell PowerEdge and Precision systems that require enterprise-grade memory with proven SK Hynix reliability and Dell-certified compatibility.
Key Features
- 32GB DDR4 ECC Registered memory module
- SK Hynix manufactured, Dell optimized and certified
- DDR4-2666V performance (PC4-21300)
- 288-pin RDIMM form factor
- Dual Rank 2Rx4 architecture
- ECC error detection and correction support
- Registered/Buffered memory design
- CL19 latency performance
- Low-power 1.2V operation
- Enhanced memory bandwidth for enterprise workloads
- Designed for Dell PowerEdge servers and Precision workstations
- Ideal for virtualization, cloud infrastructure, and database environments
Technical Specifications
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Manufacturer: SK Hynix (Dell Optimized/Certified)
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Part Number: HMA84GR7AFR4N-VK
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SKU: HMA84GR7AFR4N-VK-DELL
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Capacity: 32GB
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Memory Type: DDR4 SDRAM
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Module Type: RDIMM (Registered DIMM)
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Form Factor: 288-Pin RDIMM
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Speed: DDR4-2666V
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Bus Type: PC4-21300
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Data Transfer Rate: 2666 MT/s
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Rank Configuration: 2Rx4 (Dual Rank x4)
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Error Correction: ECC Registered
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Signal Processing: Registered / Buffered
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Operating Voltage: 1.2V
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CAS Latency: CL19
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Component Density: 8Gb x4, SK Hynix DRAM Technology
Enterprise Benefits
- ECC technology helps protect critical workloads by correcting memory errors in real time.
- Registered architecture improves signal integrity and supports larger memory configurations.
- 2666 MT/s performance delivers increased throughput for demanding server applications.
- 32GB capacity supports virtualization hosts, databases, analytics, and cloud platforms.
- Low-voltage 1.2V operation reduces power consumption and thermal output.
- Enterprise-grade SK Hynix components ensure dependable long-term operation.
Compatible Alternative Part Numbers
- HMA84GR7AFR4N-VK
- HMA84GR7AFR4N-VK-DELL
- AA846134
- KK9R2
- PC4-21300R 32GB ECC RDIMM
- DDR4-2666V 32GB 2Rx4 Registered Memory
- SK Hynix 32GB DDR4-2666 ECC RDIMM
- Dell 32GB DDR4-2666 Registered ECC Memory
Compatible Memory Modules
- SK Hynix 16GB DDR4-2666 ECC RDIMM
- SK Hynix 32GB DDR4-2666 ECC RDIMM
- SK Hynix 64GB DDR4-2666 ECC RDIMM
- Dell PowerEdge DDR4 Registered Memory Modules
- PC4-21300 ECC Registered RDIMM Modules
- Enterprise-Class DDR4 2Rx4 ECC Memory
- 288-Pin DDR4 Registered Server Memory Modules
Dell Server & Workstation Compatibility
This memory module is widely deployed in Dell enterprise platforms and is compatible with many systems supporting DDR4 ECC Registered RDIMM technology, including:
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Dell PowerEdge Servers: R640, R740, R740xd, R440, R540, R940, R940xa, T440, T640, C6420, C4140, FC640, M640, and XR2
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Dell Precision Workstations: T5820, T7820, T7920, and Precision R7920 Rack Workstations
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Legacy Compatibility: Select 13th Generation Dell PowerEdge platforms including R730 and T630 operating at supported memory speeds
Physical & Environmental Specifications
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Form Factor: Standard 288-pin RDIMM
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Memory Architecture: Registered ECC DDR4
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Operating Voltage: 1.2V Low Power Design
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Enterprise Reliability: Built for continuous 24/7 operation in data center environments
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Design Compliance: Server-grade memory for mission-critical deployments
Ideal Applications
- Virtualization and VMware environments
- Microsoft Hyper-V deployments
- Database servers and analytics platforms
- Cloud infrastructure and private cloud environments
- Enterprise application hosting
- High-performance workstation workloads
- Data center memory expansion projects
- Business-critical computing systems
The Dell 32GB 2Rx4 DDR4-2666V PC4-21300 ECC Registered Memory SK Hynix SNPTN78YC/32G HMA84GR7AFR4N-VK delivers the capacity, reliability, and performance demanded by today's enterprise infrastructures, making it an excellent solution for expanding memory resources in Dell PowerEdge servers and Precision workstations.
