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HP 128275-B21 9.1GB Wide Ultra2 SCSI 7200 3.5-in Hard Drive
- Capacity: 9.1 GB
- Interface: Wide Ultra2 SCSI LVD
- Spindle Speed: 7200 RPM
- Form Factor: 3.5-inch
- Data Transfer Rate: Up to 80 MB/s (LVD)
- Connector: 68-Pin
- Designed for HP servers and workstations
- Supports both Wide and Narrow SCSI configurations (via LVD/SE)
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Product Overview
The HP 128275-B21 is a 9.1GB Wide Ultra2 SCSI hard drive operating at 7200 RPM. This 3.5-inch drive offers a balance of capacity and performance, utilizing the Ultra2 SCSI interface with Wide and Low Voltage Differential (LVD) capabilities for enhanced data transfer and signal integrity in server environments.
Technical Information
| Capacity | 9.1 GB |
| Interface | Wide Ultra2 SCSI LVD |
| Rotational Speed | 7200 RPM |
| Form Factor | 3.5-inch |
Additional Specifications
| Connector | 68-Pin |
| Data Transfer Rate | Up to 80 MB/s |
| Cache Buffer | Typically 512 KB or 1 MB |
| Average Seek Time | Typically 8.5 ms |
Product Description
The HP 128275-B21 hard drive is a 9.1GB storage solution designed for enterprise-level systems that utilize SCSI interfaces. It features the Ultra2 SCSI standard with Wide and Low Voltage Differential (LVD) capabilities, offering improved performance and signal integrity over older SCSI generations. The 7200 RPM spindle speed provides a good balance between access speed and power consumption, making it suitable for a variety of server and workstation applications where reliable data storage is essential. With Ultra2 LVD SCSI, this drive can achieve data transfer rates of up to 80 MB/s, significantly enhancing throughput compared to earlier Wide Ultra SCSI standards. The LVD technology also allows for longer cable lengths and better noise immunity, contributing to system stability. The 68-pin connector is standard for this interface, and the 3.5-inch form factor ensures compatibility with most server chassis and desktop workstations. This drive is specifically designed to work within HP's server ecosystem, ensuring compatibility and performance. This drive is a solid choice for systems requiring dependable storage with the performance benefits of Ultra2 SCSI. Its capacity is adequate for operating systems, applications, and moderate data storage needs in many server environments. The combination of HP's engineering and the robust Ultra2 SCSI interface makes the 128275-B21 a reliable component for maintaining data availability and performance in business-critical applications.
