HPE 820834-B21 830057-001 Smart Array P440/2GB FBWC 12Gb 1Port Controller 820834B21

Description:

The HPE 820834-B21 Smart Array P440 Controller is a 12Gb SAS RAID controller used in HPE ProLiant server systems to manage and optimize storage performance and data protection. Commonly installed in enterprise servers, data centers, and RAID storage environments where high-speed data access and redundancy are required. Maintenance teams and system integrators use this controller for upgrades, replacement, and expansion of storage infrastructure to improve reliability and system performance.

Applications:

The HPE 820834-B21 Smart Array P440 controller is widely used in enterprise IT and data center environments to deliver advanced RAID capabilities and efficient storage management. It is deployed in HPE ProLiant Gen9 servers to support applications such as virtualization, database processing, backup systems, and high-performance workloads. With 2GB flash-backed write cache and 12Gb SAS connectivity, this controller enables fast data throughput and enhanced data protection for mission-critical operations.

Technical Specifications:

• Manufacturer: Hewlett Packard Enterprise (HPE)
• Model / Part Number: 820834-B21
• Spare Part Number: 830057-001
• Product Type: RAID Storage Controller
• Controller Type: Smart Array P440
• Interface: PCIe 3.0 x8
• SAS Interface Speed: 12 Gb/s
• Ports: 1x internal mini-SAS (SFF-8643)
• Cache Memory: 2 GB FBWC (Flash Backed Write Cache)
• RAID Levels Supported: 0, 1, 5, 6, 10, 50, 60
• Compatibility: HPE ProLiant Gen9 servers
• Data Transfer Rate: Up to 12 Gb/s per lane
• Management: HPE Smart Storage Administrator (SSA)
• Application: Enterprise server storage and RAID management

Common Replacements:

• HPE 726736-B21
• HPE 804405-B21
• HPE 749796-B21