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Dell 3R120 73GB 15000RPM Ultra320 SCSI 80-Pin 3.5-Inch Hard Drive
- 73GB storage capacity
- Ultra320 SCSI interface
- 15,000 RPM rotational speed
- 3.5-inch form factor
- 80-pin connector
- High-performance data access
- Designed for enterprise servers and storage
- Reliable for mission-critical workloads
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Product Overview
The Dell 3R120 is a 73GB Ultra320 SCSI hard drive with a 3.5-inch form factor and an 80-pin connector. It operates at a high speed of 15,000 RPM, providing rapid data access for demanding server and storage applications requiring high performance and reliability.
Technical Information
| Capacity | 73GB |
| Interface | Ultra320 SCSI |
| Rotational Speed | 15,000 RPM |
Additional Specifications
| Form Factor | 3.5-inch |
| Connector | 80-pin |
| SKU | 3R120 |
Product Description
The Dell 3R120 hard drive is a high-performance storage solution built for enterprise-level environments. It features a 73GB capacity, which, while modest by today's standards, was significant for high-performance applications when this drive was prevalent. The drive utilizes the Ultra320 SCSI interface, which was one of the fastest SCSI standards, offering a maximum theoretical transfer rate of 320MB/s. This interface is known for its robustness and suitability for mission-critical server applications. Operating at a rapid 15,000 RPM, the 3R120 minimizes the time it takes for the drive heads to seek data across the disk platters. This high rotational speed, combined with the fast SCSI interface, results in excellent I/O performance, making it ideal for transaction-heavy databases, high-traffic web servers, and other applications that demand quick data retrieval and storage. The 3.5-inch form factor is standard for enterprise drives, offering a balance of capacity and physical size. The 80-pin connector is characteristic of Ultra320 SCSI drives, providing the necessary bandwidth and signaling capabilities for the interface speed. This drive is designed for reliability and sustained performance in 24/7 operating environments. While newer technologies like SAS and SATA SSDs have largely superseded SCSI, drives like the 3R120 were foundational for high-performance computing and storage systems of their era.



