Seagate ST-251

A detail view to R/W head and servo.

A bottom view to ST-251.

A top view to the electronics board, removed from hard disc.

A bottom view to hard disc with removed electronics board.

Seagate ST-251 hard drive

The Model Seagate ST-251 is a half-height 5.25 inch disk drive with a formatted capacity of 42.8 megabytes, MFM recording method, ST-412 interface and average seek time 40 ms.

An introductory price is unknown.

TECHNICAL DETAILS
 
MANUFACTURER   Seagate Technology Inc.
MODEL ST-251
YEAR 1990
ORIGIN Thailand
CAPACITY 42.8 MByte formatted
51.2 MByte unformatted
INTERFACE ST 412 MFM
POWER 5Volt,
12Volt DC
max. 30 Watts
FORM FACTOR 5¼" half height
SNR 26926050