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Adaptec 991506-12 Ultra2 SCSI PCI 64-Bit RAID Controller Card
- Interface: PCI 64-bit
- SCSI Type: Ultra2 SCSI
- RAID Levels Supported: 0, 1, 10, 5, 50
- Number of Channels: 2
- Onboard RAID processor
- Supports LVD (Low Voltage Differential) drives
- High bandwidth for demanding applications
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Product Overview
The Adaptec 991506-12 is an Ultra2 SCSI PCI 64-Bit RAID Controller Card. It offers advanced storage connectivity and RAID features for high-performance server environments requiring robust data management and throughput.
Technical Information
| Brand | Adaptec |
| Model | 991506-12 |
| Interface | PCI 64-bit |
Additional Specifications
| SCSI Type | Ultra2 SCSI |
| RAID Support | RAID 0, 1, 10, 5, 50 |
| Channels | 2 |
Product Description
The Adaptec 991506-12 is a powerful RAID controller card designed for demanding server applications that require high-speed storage and robust data protection. It features a 64-bit PCI interface, providing significantly higher bandwidth compared to standard 32-bit PCI slots, which is crucial for maximizing the performance of Ultra2 SCSI drives. The Ultra2 SCSI interface itself offers improved signal integrity and longer cable lengths over previous SCSI standards. This controller supports a comprehensive suite of RAID levels, including RAID 0 for performance, RAID 1 for mirroring, RAID 10 for a combination of performance and redundancy, RAID 5 for balanced performance and redundancy with parity, and RAID 50 for striping across multiple RAID 5 sets. The inclusion of an onboard RAID processor offloads complex RAID calculations from the host CPU, ensuring that system resources are available for applications. With two Ultra2 SCSI channels, the 991506-12 can manage a substantial number of drives, enabling the creation of large, high-performance, and fault-tolerant storage arrays. It is an excellent choice for mission-critical servers, such as database servers, application servers, and high-end workstations, where data integrity, availability, and fast access speeds are essential.
