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HP 451017-B21 SA SATA/150 3Gb/s SAS 512MB PCIe Raid Controller
- Smart Array (SA) controller.
- PCIe interface for high bandwidth.
- Supports SATA/150 and 3Gb/s SAS drives.
- 512MB cache memory.
- Hardware RAID capabilities.
- RAID levels 0, 1, 5, 10.
- Designed for HP ProLiant servers.
- Enhanced performance over 256MB cache models.
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Typically 1-2 handling + 3-7 transit days
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For government, enterprise, data center, and small business customers.
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Volume pricing and availability
Product Overview
The HP 451017-B21 Smart Array (SA) controller is a PCIe RAID controller supporting SATA/150 and 3Gb/s SAS interfaces. It features 512MB of cache for superior performance and data protection.
Technical Information
| Controller Type | Smart Array RAID Controller |
| Interface | SATA/150, SAS 3Gb/s |
| Cache Memory | 512MB |
Additional Specifications
| Bus Type | PCI Express (PCIe) |
| RAID Levels Supported | 0, 1, 5, 10 |
| Form Factor | PCIe Card |
Product Description
The HP 451017-B21 is an advanced Smart Array RAID controller designed for HP ProLiant servers, offering enhanced storage performance and data protection. It utilizes the high-bandwidth PCI Express (PCIe) interface for efficient communication with the server system. The controller supports both SATA/150 and 3Gb/s SAS interfaces, providing broad compatibility with a wide range of storage drives, allowing for flexible configuration based on performance and cost requirements. Distinguishing itself with 512MB of cache memory, this controller offers superior performance compared to models with less cache. The larger cache significantly accelerates write operations by buffering data and improves read performance by holding frequently accessed data. This makes it ideal for demanding enterprise applications, databases, and virtualization environments where I/O performance is critical. The hardware RAID engine supports standard RAID levels including RAID 0, 1, 5, and 10, enabling the creation of robust storage arrays that balance performance, redundancy, and data integrity. As a key component of HP's storage infrastructure, the 451017-B21 ensures reliability and scalability. Its combination of a fast PCIe interface, versatile drive support, substantial cache memory, and comprehensive RAID capabilities makes it a powerful solution for businesses looking to optimize their server storage, protect critical data, and achieve higher levels of operational efficiency.
