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HP 804334-001 SA P408i-a SATA/600 12Gb/s SAS 2GB PCIe Raid Controller
- Product Type: RAID Controller Card
- Interface: PCIe 3.0 x8
- Storage Protocols: SAS (12Gb/s), SATA (6Gb/s)
- RAID Levels Supported: 0, 1, 5, 6, 10, 50, 60
- Cache Memory: 2GB DDR3
- Connectors: Typically 2x Mini-SAS HD (SFF-8643) internal ports
- Form Factor: Full-height / Low-profile bracket included
- Features: HPE Smart Array technology, Battery-backed Write Cache (BBWC) or Flash-Backed Write Cache (FBWC) support
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Product Overview
The HP 804334-001 is a Smart Array P408i-a RAID controller card. It connects via a PCIe interface and supports SATA/600 and 12Gb/s SAS (Serial Attached SCSI) storage devices. This controller features 2GB of cache memory, enhancing RAID performance and data protection capabilities for server storage configurations.
Technical Information
| Product Type | RAID Controller |
| Brand | HP / HPE |
| Model | Smart Array P408i-a |
| Interface | PCIe 3.0 x8 |
Additional Specifications
| Data Transfer Rate | 12Gb/s SAS, 6Gb/s SATA |
| Cache Memory | 2GB |
| RAID Levels | 0, 1, 5, 6, 10, 50, 60 |
| Connectors | 2x Mini-SAS HD (SFF-8643) |
Product Description
The HP 804334-001 is a high-performance Smart Array P408i-a RAID controller, designed to manage and protect data across multiple storage drives within HP ProLiant servers. Utilizing the PCIe 3.0 x8 interface, it offers substantial bandwidth for high-speed data transfers, essential for demanding server workloads. This controller supports both SAS (Serial Attached SCSI) at 12Gb/s and SATA (Serial ATA) at 6Gb/s, providing flexibility in choosing storage devices. SAS drives are typically preferred in enterprise environments for their higher performance, reliability, and hot-swappable capabilities, while SATA drives offer a cost-effective solution for bulk storage. The P408i-a controller supports a comprehensive range of RAID (Redundant Array of Independent Disks) levels, including RAID 0, 1, 5, 6, 10, 50, and 60. This allows administrators to configure their storage arrays based on specific needs for performance, redundancy, or a combination of both. For instance, RAID 1 provides mirroring for data redundancy, while RAID 5 and 6 offer striping with parity for improved performance and fault tolerance. The inclusion of 2GB of cache memory significantly accelerates RAID operations, particularly write-intensive tasks, by temporarily storing data before it is written to the drives. This cache is often protected by a Battery-Backed Write Cache (BBWC) or Flash-Backed Write Cache (FBWC) module (sold separately or integrated depending on the specific server model) to prevent data loss in the event of a power failure. This controller card is typically equipped with two Mini-SAS HD (SFF-8643) internal connectors, allowing it to manage multiple drives. It usually comes with brackets for both full-height and low-profile PCIe slots, ensuring compatibility with various server chassis types. The HPE Smart Array technology provides advanced management features, including online RAID level migration, online capacity expansion, and RAID configuration utilities, simplifying storage management and maintenance. The 804334-001 is a critical component for ensuring data integrity, performance, and availability in server environments.
