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HP 804381-B21 SA P408e-m SATA/600 12Gb/s SAS PCIe SATA/SAS Controller
- HP Smart Array P408e-m RAID Controller
- 12Gb/s SAS and SATA interface
- 1GB Flash-backed Write Cache (FBWC)
- PCIe 3.0 x8 interface
- Supports RAID levels 0, 1, 10, 5, 50, 6, 60
- Designed for HP ProLiant servers
- External port for storage expansion (e.g., JBODs)
- High-performance storage connectivity
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Product Overview
The HP 804381-B21 is a Smart Array P408e-m SAS RAID controller. It offers 12Gb/s SAS and SATA connectivity with 1GB of cache, designed for enterprise storage solutions and external storage expansion.
Technical Information
| Product Type | RAID Controller |
| Controller Model | HP Smart Array P408e-m |
| Interface | 12Gb/s SAS, SATA/600 |
| Cache | 1GB FBWC |
Additional Specifications
| Bus Interface | PCIe 3.0 x8 |
| RAID Levels Supported | 0, 1, 10, 5, 50, 6, 60 |
| External Ports | Yes |
| Form Factor | Plug-in Card |
Product Description
The HP 804381-B21 is a high-performance SAS RAID controller, identified as the Smart Array P408e-m model, engineered for advanced storage management in HP ProLiant servers. This controller is designed to deliver superior performance, data protection, and scalability for demanding enterprise workloads. It features a 12Gb/s SAS interface, providing rapid data transfer speeds crucial for high-throughput applications. The controller also supports SATA/600 drives, offering flexibility in storage media choices. With 1GB of Flash-Backed Write Cache (FBWC), it ensures that write operations are handled efficiently, improving overall system performance and data integrity by buffering writes before committing them to disk. The P408e-m supports a comprehensive set of RAID levels, including 0, 1, 10, 5, 50, 6, and 60, allowing for highly configurable storage solutions that balance performance, redundancy, and capacity. A key feature of the 'e' model is its external port, which enables the connection of external storage enclosures (like JBODs), facilitating easy storage expansion without requiring internal drive bays. Its PCIe 3.0 x8 interface ensures ample bandwidth for communication with the server's host system.
