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Compaq 157810-B21 Ultra160 SCSI Raid Controller
- Ultra160 SCSI RAID Controller
- Hardware RAID Support
- Supports RAID Levels 0, 1, 5, 10
- PCI Interface
- High-Performance SCSI Connectivity
- For Servers and Workstations
- Data Redundancy and Performance Enhancement
- Includes Onboard Cache Memory
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Product Overview
The Compaq 157810-B21 is an Ultra160 SCSI RAID controller card. It provides hardware RAID capabilities for servers and workstations requiring high-performance SCSI storage.
Technical Information
| Interface | PCI |
| Bus Type | SCSI Ultra160 |
| RAID Levels | 0, 1, 5, 10 |
| Controller Type | Hardware RAID |
Additional Specifications
| Cache Memory | Onboard (typically 32MB or 64MB) |
| Connectors | External and Internal SCSI connectors |
| Target Systems | Servers, Workstations |
Product Description
The Compaq 157810-B21 is a dedicated hardware RAID controller designed to manage and protect SCSI storage devices. It offers advanced RAID (Redundant Array of Independent Disks) functionality, allowing users to combine multiple SCSI drives into logical volumes for improved performance, data redundancy, or both. This controller supports essential RAID levels including RAID 0 (striping for performance), RAID 1 (mirroring for redundancy), RAID 5 (striping with parity for balanced performance and redundancy), and RAID 10 (striped mirrors for high performance and redundancy). Utilizing the Ultra160 SCSI interface, this card provides high-speed data transfer rates, making it suitable for demanding applications that require fast access to large amounts of data. The PCI interface ensures compatibility with a wide range of older server and workstation motherboards. The onboard cache memory further accelerates RAID operations by buffering data during read and write requests. This RAID controller is an essential component for systems where data integrity and availability are paramount. By implementing hardware RAID, it offloads the processing overhead from the host CPU, ensuring that the server's resources are available for applications rather than RAID calculations. It is a robust solution for managing SCSI storage arrays in legacy server environments.
