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IBM 25R8120 ServeRAID Ultra320 SCSI 256MB Raid Controller
- Interface: PCI-X
- RAID Levels: 0, 1, 5, 6, 10, 50, 60
- Data Transfer Rate: Up to 320 MB/s
- Host Bus Type: Ultra320 SCSI
- Number of Internal Ports: 1 x 68-pin VHDCI
- Number of External Ports: 1 x 68-pin VHDCI
- Cache Memory: 256MB ECC SDRAM
- Controller Chipset: LSI Logic
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Product Overview
The IBM 25R8120 ServeRAID is an Ultra320 SCSI RAID Controller featuring 256MB of cache memory. It is designed to provide high-speed data access and robust data protection for IBM server environments.
Technical Information
| RAID Controller Type | SCSI RAID Controller |
| RAID Levels Supported | 0, 1, 5, 6, 10, 50, 60 |
| Interface | PCI-X |
| Host Bus Type | Ultra320 SCSI |
| Data Transfer Rate | 320 MB/s |
Additional Specifications
| Number of Internal Ports | 1 x 68-pin VHDCI |
| Number of External Ports | 1 x 68-pin VHDCI |
| Cache Memory | 256MB ECC SDRAM |
| Chipset | LSI Logic |
Product Description
The IBM 25R8120 ServeRAID controller represents a significant step forward in SCSI storage technology, offering Ultra320 performance and advanced RAID capabilities. With its PCI-X interface, it ensures high bandwidth communication with the host system, crucial for demanding server applications. The controller supports a wide array of RAID levels, including RAID 0, 1, 5, 6, 10, 50, and 60, providing unparalleled flexibility for configuring storage arrays to meet specific needs for performance, redundancy, or a combination of both. Leveraging the Ultra320 SCSI interface, the 25R8120 can achieve data transfer rates of up to 320 MB/s per channel, making it ideal for environments that require rapid data access and high throughput, such as large databases, virtualization, and multimedia processing. The controller is equipped with both internal and external 68-pin VHDCI connectors, allowing for seamless integration with internal drive bays and external storage enclosures, thus offering expandability and versatile deployment options. A key feature of the IBM 25R8120 is its substantial 256MB of ECC (Error-Correcting Code) SDRAM cache. This large cache significantly accelerates read and write operations by buffering data, reducing latency, and improving overall system responsiveness. The ECC functionality is vital for ensuring data integrity, protecting against potential errors and maintaining the reliability of critical data. Powered by a reliable LSI Logic chipset, this RAID controller is a robust and high-performance component for enterprise storage solutions.
