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LSI L5-25421-21 MegaRAID SATA/600 1GB PCIe 3.0 x8 Raid Controller
- 1GB DDR3 cache memory for significant performance boost.
- PCIe 3.0 x8 host interface for maximum bandwidth.
- Supports SATA/600 (SATA III) drives.
- Advanced RAID levels including 0, 1, 5, 6, 10, 50, 60.
- Designed for enterprise servers and high-end workstations.
- Includes battery backup unit (BBU) for cache protection.
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For government, enterprise, data center, and small business customers.
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Product Overview
The LSI L5-25421-21 MegaRAID controller is a high-performance SATA/600 RAID adapter. It features 1GB of cache and a PCIe 3.0 x8 interface for demanding storage applications.
Technical Information
| Interface | SATA/600 (SATA III) |
| Host Interface | PCIe 3.0 x8 |
| Cache Memory | 1GB DDR3 |
Additional Specifications
| RAID Levels | 0, 1, 5, 6, 10, 50, 60 |
| Controller Type | MegaRAID |
| Cache Protection | Battery Backup Unit (BBU) |
Product Description
The LSI L5-25421-21 MegaRAID controller represents a high-end solution for enterprise storage needs, offering superior performance and data protection capabilities. It supports the SATA/600 (SATA III) interface, enabling it to leverage the full speed of modern SATA SSDs and HDDs. The controller's PCIe 3.0 x8 host interface provides a massive 8GB/s of bidirectional bandwidth, ensuring that the storage subsystem can keep pace with the most demanding server workloads. With a generous 1GB of DDR3 cache memory, this MegaRAID controller significantly accelerates data operations. The cache acts as a high-speed buffer, reducing latency and improving throughput for both read and write operations. Crucially, it is equipped with a Battery Backup Unit (BBU), which protects the data in the cache during unexpected power outages. This feature is vital for maintaining data integrity in critical applications. The L5-25421-21 supports an extensive range of RAID levels, including RAID 0, 1, 5, 6, 10, 50, and 60. This broad support allows for highly flexible storage configurations, enabling administrators to tailor arrays for optimal performance, maximum redundancy, or a balance of both. It is designed for deployment in enterprise servers and high-end workstations where storage performance and reliability are paramount.
