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Dell 66725 9.1GB 7200RPM Ultra Wide SCSI 80-Pin 1.6-Inch Hard Drive
- Capacity: 9.1 GB
- Interface: Ultra Wide SCSI (UW-SCSI)
- Connector: 80-pin SCA
- Rotational Speed: 7200 RPM
- Form Factor: 1.6-inch (often referred to as 3.5-inch low profile)
- Data Transfer Rate: Up to 20 MB/s (synchronous)
- Cache: Typically 512KB or 1MB
- Application: Enterprise Servers, Workstations
- Reliability: Designed for 24/7 operation
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Product Overview
The Dell 66725 is a 9.1GB Ultra Wide SCSI hard drive, featuring a rotational speed of 7200 RPM and an 80-pin connector. This drive was commonly used in enterprise servers and workstations during the late 1990s and early 2000s, offering a balance of capacity and performance for its era.
Technical Information
| Model | 66725 |
| Brand | Dell |
| Capacity | 9.1 GB |
| Interface | Ultra Wide SCSI (UW-SCSI) |
| Connector | 80-pin SCA |
Additional Specifications
| Rotational Speed | 7200 RPM |
| Form Factor | 3.5-inch Low Profile |
| Transfer Rate | Up to 20 MB/s |
| Cache | 512 KB (Typical) |
Product Description
The Dell 66725 hard drive represents a legacy storage solution from an era when SCSI interfaces dominated enterprise computing. With a capacity of 9.1 Gigabytes, it offered a significant storage volume for its time, suitable for operating systems, applications, and moderate data sets in servers and high-end workstations. The Ultra Wide SCSI (UW-SCSI) interface provided a substantial improvement in data transfer speeds over earlier SCSI standards, enabling faster access to stored information. Operating at a rotational speed of 7200 RPM, this drive delivered a respectable balance between performance and power consumption for its class. The 80-pin SCA (Single Connector Attachment) interface was a common standard for SCSI drives, simplifying installation and hot-plugging capabilities in compatible server backplanes. This interface allowed for higher density drive configurations within server chassis compared to older 50-pin connectors. While now considered obsolete by modern standards, drives like the Dell 66725 were built for reliability and continuous operation (24/7), a requirement for enterprise environments. They were often used in RAID arrays to provide both increased performance and data redundancy. For contemporary systems, this drive would typically be found only in legacy hardware or as a replacement part for older servers that have not yet been upgraded.
