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IBM 09P1521 ServerRAID-4H 4Ports Ultra3 SCSI PCI RAID Adapter
- Interface: Ultra3 SCSI
- Ports: 4
- Bus Interface: 64-bit PCI
- RAID Levels Supported: 0, 1, 10
- Onboard Cache: 32MB
- Drive Support: Up to 14 drives
- Form Factor: Standard PCI card
- Designed for IBM servers
- Features: Hardware RAID acceleration
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Product Overview
The IBM 09P1521 ServerRAID-4H is a RAID adapter designed for Ultra3 SCSI interfaces. It offers multiple ports for connecting SCSI drives and provides hardware RAID capabilities for enhanced data protection and performance.
Technical Information
| RAID Controller Type | ServerRAID-4H |
| Interface | Ultra3 SCSI |
| Bus Type | 64-bit PCI |
| Cache Memory | 32MB |
Additional Specifications
| RAID Support | RAID 0, 1, 10 |
| Drive Support | Up to 14 SCSI drives |
| Number of Ports | 4 |
| Form Factor | Standard PCI card |
Product Description
The IBM 09P1521 ServerRAID-4H is a specialized RAID adapter built to enhance storage solutions in IBM servers utilizing Ultra3 SCSI technology. This adapter features four SCSI ports, allowing for the connection of a significant number of drives, thereby enabling the creation of larger and more complex storage configurations. The 64-bit PCI bus interface provides the necessary bandwidth for efficient data transfer between the adapter and the server's system resources. This controller card supports essential hardware RAID levels, including RAID 0 for performance striping, RAID 1 for data mirroring, and RAID 10 for a combination of striping and mirroring. With 32MB of onboard cache, the ServerRAID-4H can buffer I/O operations, leading to improved response times and overall storage performance. The ability to manage up to 14 SCSI drives provides flexibility for implementing redundant storage arrays that protect against drive failures. The ServerRAID-4H is designed to offer a balance of performance and data protection for critical server applications. By offloading RAID calculations to dedicated hardware, it frees up the server's CPU for other tasks. This makes it a suitable component for environments where data integrity and availability are important, particularly for file servers, application servers, and database servers operating with Ultra3 SCSI drives.
