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IBM 81Y4485 ServeRAID 512MB Raid Controller
- Type: RAID Controller Card
- Memory: 512MB Cache
- Brand: IBM ServeRAID
- Model: 81Y4485
- Supports various RAID levels (e.g., RAID 0, 1, 5, 6, 10)
- Enhances data redundancy and fault tolerance
- Improves storage performance through striping and caching
- Designed for IBM servers and storage systems
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Product Overview
The IBM 81Y4485 ServeRAID is a 512MB RAID controller designed to manage multiple hard drives as a single logical unit, enhancing data redundancy and performance. This controller card is crucial for server environments where data protection and high availability are critical requirements.
Technical Information
| Product Type | RAID Controller |
| Brand | IBM ServeRAID |
Additional Specifications
| Model | 81Y4485 |
| Cache Memory | 512MB |
Product Description
The IBM 81Y4485 ServeRAID controller is a sophisticated piece of hardware engineered to provide advanced storage management capabilities for IBM servers. With 512MB of onboard cache memory, it significantly accelerates read and write operations by storing frequently accessed data and pre-fetching upcoming data. This cache is vital for improving the overall performance of disk-intensive applications, such as databases, virtualization platforms, and file servers. This RAID controller supports a range of RAID (Redundant Array of Independent Disks) levels, allowing administrators to configure their storage arrays for optimal balance between performance, capacity, and data protection. Common configurations include RAID 1 for mirroring (data redundancy), RAID 5 or 6 for parity-based protection with performance benefits, and RAID 10 for a combination of striping and mirroring. The controller's intelligence manages the complex operations of these arrays, ensuring data integrity even in the event of a drive failure. Designed for integration into IBM's server infrastructure, the 81Y4485 ensures compatibility and reliability within these environments. It provides the necessary hardware and firmware to manage multiple physical drives as a single logical volume, offering features like hot-swapping support, online capacity expansion, and RAID level migration. This makes it an essential component for businesses requiring high availability and robust data protection for their critical information.
