Description
Product Overview of the SAS Raid Controller
The HP 491193-B21 Smart Array P411 is a SAS RAID controller designed for high-performance computing systems. It is a PCI-Express x8 controller with a 256MB cache that allows for high-speed data transfer and improved data access. This article will provide a detailed overview of the features and benefits of the HP 491193-B21 Smart Array P411 SAS RAID controller.
RAID Controller
RAID stands for Redundant Array of Independent Disks. It is a technology that allows multiple hard drives to be connected together to form a single logical unit. The RAID controller is a hardware device that manages the connection between the hard drives and the computer’s operating system.
A RAID controller provides several benefits, including increased data transfer speeds, improved fault tolerance, and increased data security. RAID controllers come in different types, including software-based and hardware-based controllers. The HP 491193-B21 Smart Array P411 is a hardware-based RAID controller.
Features
The HP 491193-B21 Smart Array P411 SAS RAID controller comes with several features that make it a powerful and reliable option for high-performance computing systems. Some of its key features include:
- High-Speed Data Transfer: The HP 491193-B21 Smart Array P411 SAS RAID controller is a PCI-Express x8 controller that allows for high-speed data transfer between the hard drives and the computer’s operating system. It supports up to 6Gbps data transfer rates, which is ideal for high-performance computing systems.
- 256MB Cache: The HP 491193-B21 Smart Array P411 SAS RAID controller comes with a 256MB cache that improves data access and reduces latency. The cache is used to store frequently accessed data, which can be quickly retrieved when needed.
- RAID Support: The HP 491193-B21 Smart Array P411 SAS RAID controller supports several RAID configurations, including RAID 0, RAID 1, RAID 5, RAID 6, RAID 10, and RAID 50. This allows users to configure the hard drives in a way that best suits their needs.
- SAS Support: The HP 491193-B21 Smart Array P411 SAS RAID controller supports SAS (Serial Attached SCSI) hard drives, which are known for their high-speed data transfer rates and reliability. SAS hard drives are ideal for high-performance computing systems that require high-speed data transfer rates.
- Fault Tolerance: The HP 491193-B21 Smart Array P411 SAS RAID controller comes with several fault tolerance features, including hot-plug hard drive support, online RAID capacity expansion, and online RAID level migration. These features ensure that the system remains operational even in the event of a hard drive failure.
Benefits
The HP 491193-B21 Smart Array P411 SAS RAID controller provides several benefits, including:
- High-Speed Data Transfer: The HP 491193-B21 Smart Array P411 SAS RAID controller allows for high-speed data transfer between the hard drives and the computer’s operating system. This results in improved system performance and faster data access.
- Improved Fault Tolerance: The HP 491193-B21 Smart Array P411 SAS RAID controller comes with several fault tolerance features that ensure the system remains operational even in the event of a hard drive failure. This results in increased system uptime and reduced downtime.
- Increased Data Security: The HP 491193-B21 Smart Array P411 SAS RAID controller supports several RAID configurations, which provides increased data security. RAID configurations such as RAID 1 and RAID 5 provide data redundancy, which ensures that data is not lost in the event of a hard drive failure.
General Information about the HP 491193-B21
- Manufacturer : HP
- Part Number or SKU#: 491193-B21
- Type : Controller
- Sub-Type : SAS Controller
Technical Information
- Product Line Smart Array
- Product Series P411
- Product Name Smart Array P411 SAS RAID Controller
- Product Type Ultra ATA Controller
- Host Interface PCI Express x8
- RAID Supported Yes
- RAID Levels 0
- RAID Levels 1
- RAID Levels 10
- Number of Physical Drive Supported 64
Interfaces/Ports
- Total Number of SAS Ports 2
- Number of SAS Ports (Internal) 2
- Number of SAS Ports (External) 2
- SAS Connector Details 2 SFF-8088
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