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IBM 25R8115 ServeRAID-8i SAS 256MB Cache Controller Card
- SAS interface for high-performance storage.
- 256MB cache memory for performance acceleration.
- Supports advanced RAID levels (e.g., 0, 1, 5, 10).
- Designed for IBM ServeRAID environments.
- Hot-swap drive support for non-disruptive maintenance.
- PCIe interface for robust connectivity.
- Ideal for enterprise servers requiring reliable data storage.
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Product Overview
The IBM 25R8115 ServeRAID-8i is a SAS 256MB Cache Controller Card, designed to provide high-performance storage connectivity and data protection for IBM servers. It supports SAS drives and offers advanced RAID capabilities for enhanced reliability and performance.
Technical Information
| Interface | SAS |
| Bus Type | PCIe (specific generation may vary, e.g., PCIe x8) |
| Cache Memory | 256MB |
Additional Specifications
| RAID Levels | 0, 1, 5, 10, 50, 60 (typical) |
| Drive Support | SAS |
| Form Factor | PCIe Add-in Card |
Product Description
The IBM 25R8115 ServeRAID-8i controller card is a high-performance storage solution engineered for IBM server environments. It features a SAS (Serial Attached SCSI) interface, which is known for its superior performance, reliability, and scalability compared to SATA in enterprise applications. The controller is equipped with 256MB of cache memory, which significantly accelerates data access by buffering frequently read or written data, thereby reducing latency and improving overall system responsiveness. This makes it an excellent choice for I/O-intensive workloads such as databases, virtualization, and high-transaction applications. This ServeRAID-8i controller offers robust data protection and performance enhancement through advanced RAID (Redundant Array of Independent Disks) capabilities. It typically supports a wide range of RAID levels, including RAID 0 for performance striping, RAID 1 for data mirroring, RAID 5 for parity-based fault tolerance, RAID 10 for a combination of striping and mirroring, and potentially higher levels like RAID 50 and 60 for larger, more complex arrays. These features are critical for ensuring data integrity, providing fault tolerance against drive failures, and optimizing storage performance. Designed for seamless integration into IBM servers, the 25R8115 ensures compatibility and reliability. It supports hot-swappable drives, allowing for drive maintenance, replacement, or expansion without interrupting server operations, which is crucial for maintaining high availability. The controller's PCIe interface provides a high-bandwidth connection to the server's motherboard, ensuring efficient data flow. The IBM 25R8115 ServeRAID-8i is a key component for organizations seeking to enhance the performance, reliability, and data protection of their storage infrastructure.
