The Seagate ST34321A is a 3.5‑inch internal hard disk drive from the Seagate Medalist 4321 series, designed for reliable storage in legacy computer and server environments. It offers 4.3 GB of capacity and operates at 5,400 RPM with an Ultra ATA/33 (ATA‑3‑compatible) interface for broad compatibility with older systems. This drive features a 128 KB cache and is suitable for embedded systems, industrial equipment, vintage servers, and classic PCs where ATA/IDE connectivity is required.
Key Features
Manufacturer: Seagate
Part Number: ST34321A
Product Line: Medalist 4321
Product Type: Internal Hard Drive
Capacity: 4.3 GB
Interface: Ultra ATA/33 (IDE)
Rotational Speed: 5,400 RPM
Cache: 128 KB
Form Factor: 3.5″ Large Form Factor (LFF)
Application: Legacy servers, desktop systems, industrial equipment, vintage computing
Technical Specifications
Storage Capacity: 4.3 GB
Drive Interface: Ultra ATA/33 (IDE)
Interface Speed: 33.3 MB/s burst mode
Cache Buffer: 128 KB
Rotational Speed: 5,400 RPM
Form Factor: 3.5″ internal drive
Average Seek Time: ~11 ms
Average Latency: ~5.6 ms
Drive Type: Internal HDD
Hot‑Swap Support: No (typical for IDE drives)
MTBF: Standard legacy hard drive reliability
Usage: Desktop PCs, legacy servers, industrial and embedded systems
Series: Seagate Medalist 4321
