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IBM 01LK415 57B4 4-Ports SAS 6Gb/s PCI Express 3 x8 RAID Adapter
- PCI Express 3.0 x8 interface for high bandwidth.
- Supports 4 x SAS/SATA 6Gb/s ports.
- Hardware RAID adapter for reliable data management.
- Supports RAID levels 0, 1, 10, 5, 50.
- Designed for IBM servers requiring robust storage solutions.
- Offloads RAID processing from the host CPU.
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Product Overview
The IBM 01LK415 is a 4-Port SAS 6Gb/s PCI Express 3 x8 RAID Adapter. It provides hardware-based RAID functionality, enabling enhanced data protection and performance for IBM servers by managing multiple SAS or SATA drives.
Technical Information
| Interface | PCI Express 3.0 x8 |
| Drive Interface | SAS 6Gb/s, SATA 6Gb/s |
| Cache Memory | Typically 512MB or 1GB (check specific variant) |
Additional Specifications
| RAID Levels Supported | 0, 1, 10, 5, 50 (check specific variant) |
| Number of Ports | 4 Internal SAS/SATA ports |
| Form Factor | PCIe Add-in Card |
Product Description
The IBM 01LK415, identified by the FRU 57B4, is a high-performance hardware RAID adapter designed specifically for IBM server platforms. It features a PCI Express 3.0 x8 interface, providing the maximum bandwidth available for high-speed data transfer and demanding I/O operations. This adapter supports four internal SAS and SATA drives operating at 6Gb/s, offering flexibility in storage configuration and ensuring compatibility with modern storage media. As a hardware RAID solution, the 01LK415 offloads RAID processing from the server's main CPU, dedicating its own processor to manage RAID operations. This significantly improves system performance, especially in environments with heavy storage workloads like databases, virtualization, or file serving. It supports a comprehensive set of RAID levels, including RAID 0 for performance, RAID 1 for redundancy, RAID 10 for a balance of performance and redundancy, and RAID 5/50 for data protection with parity. The adapter typically includes onboard cache memory (often 512MB or 1GB) to further accelerate read and write operations. This adapter is crucial for ensuring data integrity and availability in IBM server environments. Its robust hardware RAID capabilities provide superior protection against drive failures compared to software RAID. The 4-port configuration is suitable for systems requiring direct attachment to a moderate number of drives. Management is typically handled through IBM's integrated tools or standard MegaRAID utilities, allowing for easy configuration and monitoring of the storage arrays.
