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HP 4K0745 Smart Array 3Gb/s SAS 1GB PCI Express x8 Raid Controller
- 3Gb/s SAS interface
- PCI Express x8 (PCIe x8) host interface
- Supports RAID levels 0, 1, 5, 6, 10, 50, 60
- 1GB cache memory for improved performance
- Onboard battery backup unit (BBU) for data protection
- Hot-plug drive support
- Designed for enterprise servers and workstations
- Provides advanced data redundancy and fault tolerance
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Product Overview
The HP Smart Array 4K0745 is a high-performance RAID controller designed to enhance storage capabilities in enterprise environments. It supports 3Gb/s SAS connectivity, offering robust data transfer rates for demanding applications. The controller utilizes a PCI Express x8 interface for high bandwidth communication with the host system.
Technical Information
| Interface | 3Gb/s SAS |
| Host Interface | PCI Express x8 |
| Cache Memory | 1GB |
| RAID Levels Supported | 0, 1, 5, 6, 10, 50, 60 |
Additional Specifications
| Drive Support | SAS and SATA drives |
| Features | Hot-plug, Battery Backup Unit (BBU) |
| Form Factor | PCIe Add-in Card |
Product Description
The HP Smart Array 4K0745 represents a significant advancement in storage control for servers and workstations requiring high availability and performance. This RAID controller is engineered to manage multiple hard drives, providing advanced data protection through various RAID configurations, including RAID 0 for striping, RAID 1 for mirroring, and more complex levels like RAID 50 and RAID 60 for enhanced performance and redundancy. Its 3Gb/s SAS interface ensures rapid data throughput, making it suitable for I/O-intensive applications and large datasets. Equipped with 1GB of cache memory, the 4K0745 controller accelerates read and write operations by storing frequently accessed data closer to the processor. This significantly reduces latency and improves overall system responsiveness. Furthermore, the inclusion of an onboard Battery Backup Unit (BBU) is crucial for enterprise environments, as it protects cached data in the event of a sudden power loss, ensuring data integrity and preventing data loss during write operations. The controller's PCI Express x8 interface provides ample bandwidth for communication with the host system, ensuring that the storage subsystem is not a bottleneck. It supports hot-plug functionality, allowing drives to be added or removed without shutting down the server, which is essential for maintaining continuous operation and simplifying maintenance. The HP Smart Array 4K0745 is a robust solution for businesses seeking reliable, high-performance storage management.
