870659-B21 HPE 12G SAS PCI-Express P824i-P Smart Array

HPE 870659-B21 12G SAS PCI-E Smart Array

The HPE 870659-B21 Smart Array P824i-P Mr Gen10 controller delivers advanced storage performance with 12G SAS PCI-Express technology, offering seamless integration for enterprise-level systems.

Product Information

• Brand Name: HPE
• Part Number: 870659-B21
• Product Type: 12G SAS PCIe Smart Array Raid Controller

Extended Information

• Data Transfer Speed: Up to 12 Gb/s SAS
• Design: PCIe plug-in controller
• Connectivity: 24 internal SAS lanes distributed across six x4 mini-SAS HD ports
• Cache Memory: 4 GB flash-backed write cache ensuring reliability and performance
• Supported RAID Levels: 0, 1, 5, 6, 10, 50, 60

Compatibility

Optimized for seamless integration with multiple HPE ProLiant Gen10 servers:

• HPE ProLiant DL360 Gen10
• HPE ProLiant DL380 Gen10
• HPE ProLiant DL385 Gen10
• HPE ProLiant DL560 Gen10
• HPE ProLiant DL580 Gen10
• HPE ProLiant ML350 Gen10

HPE 870659-B21 12G SAS P824i-P Overview

The HPE 870659-B21 12G SAS PCI-Express Smart Array P824i-P Mr Gen10 24 Internal Lanes RAID Controller represents a premium category of enterprise-class storage controllers designed to deliver uncompromising performance, reliability, and scalability within modern data center environments. This category focuses on advanced RAID solutions engineered to support high-throughput workloads, demanding transactional applications, virtualization platforms, and data-intensive enterprise infrastructures.

Enterprise Storage

Controllers in this category leverage advanced RAID architecture optimized for PCI-Express interfaces and 12Gb/s SAS connectivity, allowing enterprises to achieve significantly higher data transfer rates and reduced latency. By integrating sophisticated processing units, high-speed cache memory, and robust firmware algorithms, these controllers offload storage management tasks from the host CPU, freeing system resources and improving overall application performance. The architecture is built to sustain continuous high I/O operations, making it suitable for environments where consistent throughput and low response times are essential.

PCI-Express Gen3 and Gen4

PCI-Express integration is a defining feature of this category, enabling controllers to communicate with server backplanes and processors using high-bandwidth channels. The P824i-P Mr Gen10 controller, for example, is optimized for PCI-Express Gen3 and is compatible with server platforms that demand stable, high-speed communication between storage devices and computing resources. This ensures that storage operations do not become bottlenecks, even when handling simultaneous read/write requests from multiple applications or virtual machines.

Optimized Lane

With 24 internal SAS lanes, this category of controllers supports large numbers of internal drives within a single server chassis. This lane distribution enables direct connectivity to multiple drive bays, minimizing the need for external expanders and reducing signal latency. Enterprises benefit from simplified cabling, enhanced airflow, and streamlined hardware configurations that improve system reliability and serviceability.

12G SAS Connectivity

The 12Gb/s SAS interface is a cornerstone of this category, delivering double the bandwidth of previous SAS generations. This allows for faster data access, improved rebuild times, and enhanced support for high-capacity storage arrays. The HPE 870659-B21 controller and others in this class are engineered to maximize the performance potential of both traditional hard disk drives and modern solid-state drives, ensuring compatibility with diverse storage media while maintaining optimal throughput.

Enhanced Signal Integrity

Advanced signal processing and error correction features are embedded within this category to ensure reliable data transmission across high-speed SAS links. These mechanisms mitigate signal degradation, electromagnetic interference, and data corruption risks, which are especially critical in densely populated server environments. As a result, enterprises can rely on consistent data integrity even under sustained heavy workloads.

Advanced RAID

RAID controllers in this category offer comprehensive support for a wide range of RAID levels, enabling organizations to balance performance, capacity, and data protection according to their specific requirements. The Smart Array P824i-P Mr Gen10 controller, for instance, supports RAID levels such as 0, 1, 5, 6, 10, 50, and 60, allowing administrators to configure storage arrays that align with application workloads and risk tolerance.

Integration

This category is closely aligned with HPE ProLiant Gen10 server architectures, ensuring seamless integration, optimized performance, and comprehensive manageability. The Smart Array P824i-P Mr Gen10 controller is specifically designed to complement the Gen10 platform, leveraging its advanced security, management, and performance features.

Performance

This category is particularly well-suited for virtualization and cloud computing environments, where high I/O density, low latency, and scalability are critical. Controllers like the HPE 870659-B21 deliver consistent performance across diverse workloads, enabling organizations to consolidate applications, optimize resource utilization, and achieve higher return on investment.

High IOPS and Low Latency

Advanced caching, optimized RAID algorithms, and high-speed SAS connectivity combine to deliver high input/output operations per second (IOPS) and low latency. This performance profile is essential for virtualized environments, where multiple virtual machines generate simultaneous storage requests that must be processed efficiently.