840755-191 HPE 8GB DDR4 SDRAM 2666MHZ PC4-21300 ECC Registered Ram
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Highlights of HPE 840755-191 8GB DDR4 2666MHz ECC Memory
The HPE 840755-191 is a high-performance 8GB DDR4 Registered DIMM (RDIMM) memory module designed for enterprise servers. With ECC error-correcting technology, this module ensures data integrity and reliability in demanding server environments. With 8GB per module, 2666MHz speed, and ECC registered functionality, it offers a perfect balance between capacity, speed, and cost-efficiency, making it an essential component for modern data centers and enterprise IT infrastructures.
General Information
- Manufacturer: HPE
- Part Number: 840755-191
- Product Type: Memory Module
- Sub Type: 8GB DDR4 2666MHZ
Technical Specifications
- Memory Type: DDR4 SDRAM
- Capacity: 8GB
- Form Factor: 288-pin DIMM
- Speed: 2666 MHz (PC4-21300)
- CAS Latency: CL19 (19-19-19)
- Data Integrity: ECC (Error-Correcting Code)
- Rank: Single Rank
- Signal Processing: Registered
- Module Configuration: 1024 x 72
- Chip Organization: x8
- Voltage: 1.2V
Compatibility
- HPE ProLiant DL325 Gen10 Base
- HPE ProLiant DL325 Gen10 Solution
- HPE ProLiant DL385 Gen10
- HPE ProLiant DL385 Gen10 Base
- HPE ProLiant DL385 Gen10 Entry
- HPE ProLiant DL385 Gen10 High-Performance
- HPE ProLiant DL385 Gen10 Performance
- HPE ProLiant DL385 Gen10 SMB
- HPE ProLiant DL385 Gen10 Solution
HPE 840755-191 8GB DDR4 2666MHz PC4-21300 CL19 ECC Registered SDRAM 288-Pin Memory Overview
The HPE 840755-191 8GB DDR4 2666MHz PC4-21300 CL19 ECC Registered SDRAM 288-Pin Memory module is engineered to deliver enterprise-level performance, reliability, and scalability for HPE server systems. Designed for high-demand applications, virtualization environments, and data-intensive workloads, this memory module ensures optimal server performance while maintaining system stability.
DDR4 Technology for Superior Performance
HPE 840755-191 leverages the advantages of DDR4 technology, providing higher data transfer rates, lower voltage consumption, and improved signal integrity compared to earlier DDR3 memory modules. Operating at 2666MHz, this memory module delivers a PC4-21300 transfer rate, ensuring fast and efficient access to server memory. With CAS latency of CL19, it provides low-latency memory access, optimizing performance for multi-threaded applications, virtualization, and high-performance computing tasks. DDR4 architecture enables better scalability, allowing enterprise servers to accommodate future memory expansion requirements seamlessly.
288-Pin DIMM Design and Registered Architecture
The 288-pin DIMM form factor ensures full compatibility with a wide range of HPE ProLiant and BladeSystem servers. Its registered (buffered) architecture enhances signal integrity by stabilizing electrical loads during memory operations. This is particularly beneficial in high-density memory configurations, where multiple modules are installed. Registered DIMM technology prevents electrical noise and interference, ensuring consistent and stable performance even under heavy workloads, which is critical for enterprise-level applications and mission-critical systems.
ECC Memory for Enhanced Reliability
One of the core advantages of the HPE 840755-191 module is its ECC (Error-Correcting Code) functionality. ECC memory detects and corrects single-bit errors in real time, ensuring data integrity and system stability. This is vital for applications where uninterrupted uptime is essential, such as financial systems, cloud computing platforms, and enterprise resource planning software. By preventing data corruption and minimizing the risk of system crashes, ECC memory significantly reduces downtime and enhances server reliability.
HPE Server Ecosystems
HPE 840755-191 is rigorously tested for compatibility with HPE server models, including ProLiant DL, ML, and BladeSystem configurations. This ensures seamless integration, optimized memory performance, and enhanced server stability. IT administrators benefit from the peace of mind that comes with certified compatibility, allowing them to confidently scale server memory for growing workloads without encountering unexpected compatibility issues or system failures.
Flexible Deployment for Enterprise Workloads
With 8GB capacity per module, the HPE 840755-191 is ideal for small-to-medium enterprise applications requiring stable and reliable memory. It can support virtualization environments, mid-range databases, and cloud applications efficiently. The combination of DDR4 2666MHz speed and ECC registered architecture allows multiple virtual machines to run smoothly, supporting concurrent workloads and reducing latency in multi-threaded server operations. This flexibility ensures organizations can meet both present and future IT demands effectively.
Scalability and High-Density Memory Configurations
The HPE 840755-191 module provides excellent scalability options for enterprises seeking to expand server memory capacity. Multiple modules can be installed across available DIMM slots to achieve higher memory configurations. The registered DIMM design maintains signal integrity even in high-density deployments, ensuring stable performance across all memory channels. This scalability is essential for businesses managing large datasets, multiple virtual machines, or high-performance computing applications.
Data Integrity in Mission-Critical Applications
The ECC functionality of the HPE 840755-191 is crucial for applications where data accuracy is paramount. Single-bit error detection and correction prevent corruption of critical information, ensuring uninterrupted operation for business-critical systems. Registered architecture further enhances reliability by stabilizing memory signals, allowing servers to maintain optimal performance even under maximum workload conditions. Together, these features provide a robust foundation for enterprise IT infrastructure.
Cloud Computing
The HPE 840755-191 memory module is well-suited for virtualization environments, where multiple virtual machines operate simultaneously on a single server. With 8GB capacity, 2666MHz speed, and ECC protection, it supports high-speed data access and maintains system stability under heavy multi-threaded operations. Cloud computing applications also benefit from this module, enabling scalable infrastructure capable of handling dynamic workloads efficiently. The combination of speed, reliability, and capacity ensures seamless cloud service delivery.
Application in Data-Intensive Operations
Enterprise workloads such as large database management, analytics, and ERP systems benefit from the HPE 840755-191 module’s performance and reliability. The DDR4 2666MHz speed ensures rapid data access, while ECC and registered features maintain data integrity under sustained operations. Organizations can rely on these modules to process large volumes of information efficiently, reducing the risk of errors and system interruptions in critical business operations.
Future-Proofing Server Infrastructure
Deploying HPE 840755-191 modules enables enterprises to future-proof their server infrastructure. With support for high-speed DDR4 operation, ECC protection, and multi-channel configurations, the module can accommodate growing workloads and increasing data demands. Organizations can incrementally scale memory resources while maintaining stability and performance, ensuring servers remain capable of handling both current and future enterprise applications effectively.
Integration with HPE Tools
The HPE 840755-191 module integrates seamlessly with HPE iLO (Integrated Lights-Out) management, allowing administrators to monitor memory performance, temperature, and health status in real time. Proactive monitoring ensures that potential issues are identified early, reducing the likelihood of downtime and optimizing server efficiency. This integration supports comprehensive server management, helping IT teams maintain peak operational performance across all deployed servers.
High-Performance Computing Applications
High-performance computing environments, including financial modeling, scientific simulations, and engineering analysis, require memory modules that deliver both speed and stability. HPE 840755-191 meets these requirements with DDR4 2666MHz performance, ECC error correction, and registered architecture. The module ensures that servers maintain consistent performance under high computational loads, reducing latency and supporting critical high-performance computing tasks efficiently.
Multi-Channel Memory Configurations
HPE 840755-191 supports multi-channel memory configurations, enhancing overall system bandwidth and reducing latency for enterprise applications. Multi-channel setups allow servers to process larger datasets efficiently, improving the performance of virtualization platforms, database systems, and cloud workloads. Deploying multiple modules across available DIMM slots ensures maximum utilization of server memory capabilities while maintaining signal integrity and stability.
Reliable Performance in Critical Enterprise Environments
HPE 840755-191 ensures reliable memory performance in mission-critical enterprise applications where downtime or errors are unacceptable. ECC memory prevents data corruption, while registered architecture maintains signal integrity, even under maximum load conditions. This combination guarantees high system reliability, making it suitable for ERP systems, cloud infrastructure, virtualized environments, and data centers requiring continuous availability.
Server Infrastructure
Using HPE 840755-191 modules allows IT teams to optimize server infrastructure for efficiency, scalability, and performance. Upgrading memory with high-speed DDR4 ECC registered modules improves application response times, reduces latency, and supports multiple concurrent workloads. Enterprise applications benefit from enhanced performance and reduced bottlenecks, enabling organizations to maximize server resource utilization and improve operational efficiency.
Memory Expansion
With 8GB per module, HPE 840755-191 provides a cost-effective solution for server memory expansion. Enterprises can incrementally scale memory capacity to meet growing demands while balancing budget constraints. DDR4 2666MHz speed, ECC protection, and registered DIMM architecture ensure long-term reliability and performance, delivering excellent value for enterprise memory investments.
Advantages for Enterprise Data Centers
HPE 840755-191 is specifically designed to meet the high-performance and reliability requirements of enterprise data centers. High-speed DDR4 performance ensures efficient handling of concurrent workloads, while ECC and registered features reduce the risk of system crashes and data corruption. Compatible with multiple HPE server models, this module allows data centers to expand memory capacity, optimize performance, and maintain robust infrastructure reliability across all server deployments.
Enhanced Server Uptime and Reliability
The combination of ECC error correction and registered DIMM technology in HPE 840755-191 enhances server uptime and operational reliability. By reducing the likelihood of errors, system crashes, and data corruption, this module ensures that enterprise applications run continuously without interruptions. Organizations can confidently deploy these memory modules in critical IT environments, including financial institutions, cloud service providers, healthcare systems, and government agencies, where uninterrupted server operations are vital.
