Seagate ST318417N 18.4GB 7200RPM SCSI Hard Drive

Name: Seagate ST318417N 18.4GB 7200RPM SCSI Hard Drive
Brand: Seagate
SKU: ST318417N

Overview

Reliable Storage for Your Legacy Systems

Introducing the Seagate ST318417N Hard Drive, a dependable storage solution for systems requiring SCSI interface. With its 18.4GB capacity and 7200RPM speed, this hard drive provides reliable performance for a variety of applications.

Brand: Seagate
Model: ST318417N
Capacity: 18.4GB
Interface: SCSI-3 (50-Pin)
Speed: 7200RPM
Form Factor: 3.5in

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Pros & Cons

👍 Pros

7200RPM spindle speed provides reliable, consistent performance for legacy SCSI systems
50-pin Narrow SCSI-3 interface ensures compatibility with a wide range of older servers and industrial equipment
Standard 3.5-inch form factor fits directly into existing drive bays without adapters
Seagate's established reputation for mechanical drive reliability in enterprise and industrial environments

👎 Cons

18.4GB capacity is extremely limited by modern standards, suitable only as a direct replacement in legacy systems
The 50-pin SCSI interface is long obsolete, with no path to use this drive in contemporary hardware without specialized controllers
Availability is limited to remaining old stock, and units may have unknown prior usage hours
Performance is significantly slower than even entry-level modern SATA or NVMe drives

Frequently Asked Questions

What type of SCSI connector does the ST318417N use?

The ST318417N uses a 50-pin SCSI-3 (Narrow SCSI) interface. You will need a SCSI controller card with a 50-pin connector or an appropriate adapter to use this drive.

Is this drive compatible with modern computers?

Not directly. Modern systems do not include SCSI controllers. This drive is designed for legacy systems, servers, and industrial equipment that have 50-pin SCSI interfaces built in or installed via add-in cards.

What is the typical use case for an 18.4GB SCSI drive today?

These drives are primarily used as replacements in legacy servers, industrial automation systems, medical equipment, and vintage computing setups that require the original SCSI interface and cannot be upgraded to modern storage.

Does the ST318417N require special termination?

As with all SCSI devices, proper bus termination is required. If this drive is the last device on the SCSI chain, you will need to enable termination on the drive or use an external terminator on the cable.