HPE 726903-B21 750051-001 Smart Array P841/4GB FBWC 12GB 4P SAS HP

Description:

The HPE 726903-B21 Smart Array P841 Controller is a 12Gb SAS RAID controller used in HPE ProLiant server systems to manage high-performance storage and data redundancy. Commonly installed in enterprise servers, data centers, and storage arrays where high-speed data access and RAID protection are required. Maintenance teams and system integrators use this controller for upgrades, replacement, and expansion of storage infrastructure to improve performance and reliability.

Applications: 

The HPE 726903-B21 Smart Array P841 controller is widely used in enterprise IT and data center environments to deliver advanced RAID functionality and scalable storage management. It is deployed in HPE ProLiant Gen9 servers and storage systems to support applications such as virtualization, database management, backup solutions, and high-performance computing. With 4GB flash-backed write cache and multiple SAS ports, this controller enables efficient data handling and enhanced system performance for demanding workloads.

Technical Specifications:

• Manufacturer: Hewlett Packard Enterprise (HPE)
• Model / Part Number: 726903-B21
• Spare Part Number: 750051-001
• Product Type: RAID Storage Controller
• Controller Type: Smart Array P841
• Interface: PCIe 3.0 x8
• SAS Interface Speed: 12 Gb/s
• Ports: 4x internal mini-SAS (SFF-8643)
• Cache Memory: 4 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 726821-B21
• HPE 804405-B21
• HPE 749797-B21