Name: 40MB MFM/RLL 5.25-Inch Half Height Hard Drive HDD
Brand: Seagate
Price: 134.95 USD
Availability: InStock

Seagate ST251 40MB MFM/RLL 5.25-Inch Half Height Hard Drive HDD

The Seagate ST251 is a classic 40MB MFM/RLL 5.25-inch half height hard drive that delivers reliable storage for legacy systems and retro computing projects. Designed for durability and ease of integration, this drive offers a proven solution for envi... Read More

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$134.95

Ships next business day.

In Stock: 6
Manufacturer: Seagate
Model or Part: ST251
Condition: Refurbished
Weight: 2.00lb
Dimensions: 6.00in x 8.00in x 4.00in

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Product Information

Item Condition

New - Sealed or Open Box Condition
Excellent - Almost-New, Missing Original Packaging
Refurbished - Seller Refurbished, Good Condition, Previously Used Item

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Description

Overview
The Seagate ST251 is a classic 40MB MFM/RLL 5.25-inch half height hard drive that delivers reliable storage for legacy systems and retro computing projects. Designed for durability and ease of integration, this drive offers a proven solution for environments that still rely on the MFM or RLL interface standards.

Key Features

40 megabytes of magnetic storage capacity
Compatible with MFM and RLL encoding formats
5.25-inch half height form factor for easy installation in older chassis
Robust sealed enclosure protects the platters from dust and contaminants
Standard 34-pin ribbon cable connection simplifies wiring
Low power consumption suitable for vintage hardware

Technical Specifications

Model / Part Number: ST251
Manufacturer: Seagate
Capacity: 40 MB
Interface: MFM / RLL
Form Factor: 5.25 inch half height
Average Seek Time: approx 30 ms
Spin Speed: 3600 rpm
Data Transfer Rate: up to 2.5 MB per second
Operating Temperature: 0 to 55 degrees Celsius
Power Requirements: 5 V and 12 V DC

Typical Applications

Restoration of vintage PCs and workstations
Industrial control systems that still use MFM/RLL drives
Data recovery projects for legacy media
Educational displays of early hard drive technology
Embedded systems that require a compact, low power storage solution

Whether you are preserving a piece of computing history or need a dependable storage device for a specialized legacy system, the Seagate ST251 offers the capacity, compatibility, and durability required to keep older technology running smoothly.