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HP 462861-B21 Smart Array 3Gb/s SAS 512MB PCIe x8 Raid Controller
- Interface: SAS 3Gb/s
- Cache Memory: 512MB
- Host Interface: PCI Express x8 (PCIe Gen1)
- RAID Levels Supported: 0, 1, 5, 6, 10, 50, 60
- Designed for HP ProLiant servers
- Provides hardware RAID acceleration
- Supports both SAS and SATA drives
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Product Overview
The HP 462861-B21 is a Smart Array SAS RAID controller with a 3Gb/s interface speed and 512MB of cache memory. It connects via a PCIe x8 slot and supports various RAID levels for enhanced data protection and performance.
Technical Information
| Product Type | RAID Controller |
| Interface | SAS 3Gb/s |
| Cache Memory | 512MB |
Additional Specifications
| Host Interface | PCI Express x8 |
| RAID Support | 0, 1, 5, 6, 10, 50, 60 |
| Manufacturer | HP |
Product Description
The HP 462861-B21, also known as the Smart Array P400, is a powerful hardware RAID controller designed to enhance storage performance and reliability in HP ProLiant servers. It features a 3Gb/s SAS interface, allowing it to connect to a wide range of SAS and SATA drives, providing flexibility for storage configurations. The controller supports multiple RAID levels, including RAID 0, 1, 5, 6, 10, 50, and 60, enabling administrators to create storage arrays that meet specific needs for performance, redundancy, and capacity. Equipped with 512MB of cache memory, this controller significantly accelerates I/O operations by storing frequently accessed data. This hardware cache, combined with the dedicated RAID processing engine, offloads intensive RAID calculations from the server's CPU, leading to improved overall system performance. The PCIe x8 interface ensures a high-bandwidth connection to the server's motherboard, facilitating efficient data transfer. This Smart Array controller is crucial for environments that demand high availability and data integrity. It provides robust protection against drive failures through its advanced RAID capabilities, ensuring that data remains accessible even if one or more drives in the array fail. Its performance enhancements make it suitable for demanding applications such as databases, virtualization, and file serving.
