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HP 25525B EISA Fast Differential SCSI 2 Host Bus Adapter

SKU EISA
Brand HP
  • EISA bus interface for compatibility with older HP servers.
  • SCSI-2 Fast Differential interface for high-speed storage connectivity.
  • Enables connection of multiple SCSI devices.
  • Provides a reliable data transfer path for storage peripherals.
  • Designed for enterprise-level storage expansion.
  • Supports data transfer rates up to 20 MB/s (synchronous).
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Key specifications

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Product Type
Host Bus Adapter (HBA)
Interface
EISA
SCSI Standard
SCSI-2 Fast Differential
Data Transfer Rate
Up to 20 MB/s
Connectors
Typically 50-pin or 68-pin differential SCSI connectors
Compatibility
HP Servers with EISA slots

Product details

The HP 25525B is an EISA (Extended Industry Standard Architecture) Fast Differential SCSI-2 Host Bus Adapter (HBA). It provides a high-speed interface for connecting SCSI storage devices to older HP servers utilizing the EISA bus architecture.

Technical Information

Product TypeHost Bus Adapter (HBA)
InterfaceEISA
SCSI StandardSCSI-2 Fast Differential

Additional Specifications

Data Transfer RateUp to 20 MB/s
ConnectorsTypically 50-pin or 68-pin differential SCSI connectors
CompatibilityHP Servers with EISA slots

Description

The HP 25525B EISA Fast Differential SCSI-2 Host Bus Adapter is a specialized hardware component designed to bridge the gap between older HP server systems equipped with EISA expansion slots and modern, high-performance SCSI storage devices. The EISA bus, while largely superseded by PCI and later architectures, was a significant advancement in its time, offering greater bandwidth and capabilities than its predecessor, the ISA bus. This adapter leverages the EISA bus to provide a robust connection for storage peripherals. Featuring the SCSI-2 Fast Differential interface, this HBA supports significantly higher data transfer rates compared to earlier SCSI standards. Fast SCSI doubles the transfer rate of standard SCSI, and Differential signaling offers improved signal integrity over longer cable lengths and in electrically noisy environments, making it suitable for demanding enterprise storage applications. This allows for efficient data throughput between the server and connected devices such as hard drives, tape drives, and optical storage. This adapter is crucial for organizations that need to maintain or expand storage capacity on legacy HP servers that are still in operation. It facilitates the connection of multiple SCSI devices, enabling configurations that might include RAID arrays, large-capacity hard drives, or backup tape libraries. The HP 25525B ensures that these older systems can continue to utilize high-performance storage solutions, extending their useful lifespan and protecting existing investments in hardware and infrastructure.

Condition: Refurbished

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