Seagate ST34321A 4.3GB ATA-33 front view Seagate ST34321A 4.3GB ATA-33 front view
Seagate ST34321A 4.3GB ATA-33 front view Seagate ST34321A 4.3GB ATA-33 front view
Seagate ST34321A top view Seagate ST34321A top view
Seagate ST34321A angled view Seagate ST34321A angled view
Seagate ST34321A 4.3GB ATA-33 front view
Seagate ST34321A 4.3GB ATA-33 front view
Seagate ST34321A top view
Seagate ST34321A angled view

Seagate

Seagate ST34321A – 4.3GB | ATA-33 | 5400RPM | 3.5" | Legacy HDD

$99.95

Brand New, Factory Sealed | In Stock | Bulk Orders Available

The ST34321A Medalist 4321 is a 4.3GB Ultra ATA-33 hard drive featuring 5400RPM spindle speed, 128KB cache, and 11ms average seek time in a standard 3.5" form factor. Built for mid-1990s personal computers and servers, it is ideal for legacy system restoration, vintage computing, and retro gaming builds. Compatible with Windows 95/98/NT systems, DOS environments with LBA support, and any ATA-33 controller or motherboard with 40-pin IDE connectors. This Seagate drive incorporates SeaShield reliability technology with continuous operation capability and PRML encoding for enhanced data integrity in demanding applications.

All products from Anand International ship brand new and factory sealed. Volume and B2B pricing available for qualified buyers.
Specifications
  • Manufacturer: Seagate
  • Model: ST34321A
  • Capacity: 4.3GB
  • Interface: Ultra ATA-33
  • Spindle Speed: 5400RPM
  • Cache: 128KB
  • Form Factor: 3.5"
  • Seek Time: 11ms average
  • Latency: 5.6ms
  • MTBF: 300,000 hours
  • Drive Type: Legacy Hard Drive
  • Warranty: 90 days
  • Shipping: Free domestic US shipping
  • Condition: Brand New, Factory Sealed
Product Features
  • Ultra ATA-33 interface with 33.3MB/s burst transfer rate
  • 128KB cache buffer for improved performance
  • 5400RPM spindle speed for fast data access
  • 11ms average seek time
  • SeaShield reliability system
  • Energy Star compliant low power operation
  • S.M.A.R.T. monitoring capabilities
  • Multi-segment cache architecture
  • Direct replacement for legacy systems requiring IDE/ATA connectivity
  • 90-day Anand International warranty on all legacy stock
  • Free domestic US shipping included
  • Volume and B2B pricing available for qualified buyers
Compatibility

Compatible with Windows 95/98/NT, DOS systems with LBA support, and any PC with 40-pin IDE/ATA interface. Not compatible with SATA controllers or modern systems requiring SATA drives.
Shipping & Returns
  • Free Shipping: We currently offer free Economy Shipping within the continental U.S. with no minimum order required. Expedited shipping is available at standard carrier rates.
  • Same-Day Shipping: Order placed before 2PM PST will ship the same day. Orders received after this time will ship the following business day.
  • Hassle-Free Returns: If you're not completely satisfied with your purchase, simply return it within 10 days for a hassle-free refund or exchange.

4.3GB ATA-33 5400RPM 128KB Cache Factory Sealed

Why the ST34321A Medalist 4321 is the right Legacy HDD

The Medalist 4321 represents Seagate's mid-1990s engineering excellence, delivering reliable 4.3GB storage with Ultra ATA-33 performance. This drive features advanced PRML recording technology and multi-segment cache architecture for its era. With 300,000-hour MTBF rating and SeaShield protection, it provides enterprise-grade reliability for vintage computing restoration and legacy system maintenance.

Ultra ATA-33 High-Speed Interface

Features 33.3MB/s burst transfer rates with full backward compatibility to standard ATA systems. Supports LBA addressing for seamless operation with modern BIOS configurations.

128KB Multi-Segment Cache

Advanced cache buffer architecture delivers improved random access performance and faster multi-tasking capabilities. Optimized for multimedia applications and database operations.

5400RPM Professional Spindle

Higher spindle speed than standard 4200RPM drives provides reduced latency and faster data access. Engineered for continuous operation in demanding environments.

SeaShield Reliability Technology

Incorporates Seagate's advanced error correction and data protection systems. Features S.M.A.R.T. monitoring for proactive drive health management.

New Old Stock with 90-Day Warranty

Available as brand new, factory sealed old stock units from Anand International with a 90-day warranty. Ideal for legacy system maintenance, vintage computing restoration, and hard-to-find replacement needs.

Frequently Asked Questions

Frequently asked questions for IDE, including information on usage, configuration, and compatibility.

1. What is an IDE hard drive?

An IDE (Integrated Drive Electronics) hard drive is a legacy type of storage device that connects to a computer using a 40-pin ribbon cable and Molex power connector. It was widely used before SATA drives became standard.
2. Can IDE hard drives be used in modern computers?

Most modern PCs do not have IDE ports. However, you can still use an IDE hard drive with a compatible IDE controller card or an IDE-to-SATA/USB adapter.
3. What devices are IDE hard drives compatible with?

IDE hard drives are commonly used in older desktops, servers, DVR systems, legacy industrial equipment, and other electronics that require ATA/100 or ATA/133 interfaces.
4. Are IDE and PATA the same thing?

Yes. IDE is also known as PATA (Parallel ATA). Both terms refer to the same interface standard, which uses wide ribbon cables to connect drives.
5. How do I know if my system supports an IDE hard drive?

Check if your motherboard has a 40-pin IDE connector. If not, you can use an adapter or external enclosure that converts IDE to SATA or USB.
6. What is the maximum capacity of an IDE hard drive?

Most IDE hard drives range from a few hundred megabytes to 500GB, though practical support depends on your system’s BIOS limitations.
7. Can IDE hard drives be used for external storage?

Yes. By using an IDE-to-USB adapter or external IDE enclosure, you can repurpose an IDE hard drive as an external storage device.