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ASR-2020S - IBM ServeRAID 6i PCI Ultra320 SCSI Controller
- PCI Express (PCIe) interface
- Supports Ultra320 SCSI drives
- 128MB cache memory for data buffering
- RAID levels 0, 1, 5, 10 supported
- Onboard RAID controller for direct drive management
- Enhances storage performance and data redundancy
- Designed for IBM servers and compatible systems
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Key specifications
See full specs ↓- Interface
- PCI Express
- Bus Type
- PCIe x4
- SCSI Protocol
- Ultra320 SCSI
- Cache Memory
- 128MB
- RAID Levels
- 0, 1, 5, 10
- Connectors
- Internal/External SCSI connectors
Product details
The IBM ASR-2020S ServeRAID is a PCI Express RAID controller designed to enhance storage performance and reliability in server environments. It features Ultra320 SCSI support and 128MB of cache memory, enabling efficient management of multiple hard drives.
Technical Information
| Interface | PCI Express |
| Bus Type | PCIe x4 |
| SCSI Protocol | Ultra320 SCSI |
| Cache Memory | 128MB |
Additional Specifications
| RAID Levels | 0, 1, 5, 10 |
| Connectors | Internal/External SCSI connectors |
| Form Factor | Full-height, half-length |
Description
The IBM ASR-2020S ServeRAID controller is a robust hardware solution designed to provide advanced storage management capabilities for servers. Utilizing the PCI Express interface, it offers a high-bandwidth connection to the host system, ensuring efficient communication between the server and the connected storage devices. This controller is specifically designed to support Ultra320 SCSI drives, which were a high-performance standard for enterprise storage at the time of its release, offering significant data transfer speeds and reliability. With 128MB of onboard cache memory, the ASR-2020S controller can significantly improve storage performance by buffering read and write operations. This cache allows the controller to handle multiple requests concurrently and optimize data flow, reducing latency and increasing throughput. The controller supports various RAID (Redundant Array of Independent Disks) levels, including RAID 0 (striping for performance), RAID 1 (mirroring for redundancy), RAID 5 (striping with parity for performance and redundancy), and RAID 10 (striped mirrors for performance and redundancy). This flexibility allows administrators to configure storage arrays based on specific needs for speed, data protection, or a combination of both. The ASR-2020S is an integral component for building reliable and high-performing storage subsystems within IBM servers and other compatible systems. It provides hardware-level RAID capabilities, offloading the processing from the host CPU and ensuring consistent performance. This makes it suitable for a wide range of applications, including database servers, file servers, and other environments where data integrity and availability are critical.
Condition: Refurbished
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Typically 1–2 days handling, 3–7 days in transit.
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Government, enterprise, data center and small business.
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