Seagate ST51270A 1.28GB ATA-2 IDE front view Seagate ST51270A 1.28GB ATA-2 IDE front view
Seagate ST51270A 1.28GB ATA-2 IDE front view Seagate ST51270A 1.28GB ATA-2 IDE front view
Seagate ST51270A Medalist top view Seagate ST51270A Medalist top view
Seagate ST51270A 1.28GB ATA-2 IDE front view
Seagate ST51270A 1.28GB ATA-2 IDE front view
Seagate ST51270A Medalist top view

Seagate

Seagate ST51270A – 1.28GB | ATA-2 IDE/PATA | 5400RPM | 3.5" | Legacy HDD

$150.00

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

The ST51270A is a 1.28GB ATA-2 IDE hard drive featuring 5400RPM, 128KB cache, and 10.5ms seek time in a 3.5-inch form factor. Built for IBM AT and compatible personal computers with ATA interface, it is ideal for legacy desktop systems, vintage computer builds, and retro hardware restoration. Compatible with IBM AT and compatible personal computers using ATA interface with UL-listed systems. Engineered with 300,000 hours MTBF and Zone Bit Recording (ZBR) technology, providing reliable continuous operation for vintage computing applications.

All products from Anand International ship brand new and factory sealed. Volume and B2B pricing available for qualified buyers.
Specifications
  • Manufacturer: Seagate
  • Model: ST51270A
  • Capacity: 1.28GB
  • Interface: ATA-2 (IDE/PATA)
  • Spindle Speed: 5400RPM
  • Cache: 128KB
  • Form Factor: 3.5"
  • Seek Time: 10.5ms average
  • Latency: 5.6ms
  • MTBF: 300,000 hours
  • Drive Type: Desktop HDD
  • Warranty: 90 days
  • Shipping: Free domestic US shipping
  • Condition: Brand New, Factory Sealed
Product Features
  • Zone Bit Recording (ZBR) technology for optimal data density
  • Embedded servo for precise head positioning
  • ATA-2 Fast IDE interface with 16.6 MBps external transfer rate
  • 4.0 MBps internal transfer rate
  • ECC error correction for data integrity
  • Power management modes (Idle, Standby, Sleep)
  • Lift/Lock/Park head technology for data protection
  • IEC950 certified for safety compliance
  • 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 IBM AT and compatible personal computers, legacy desktop systems, vintage computing builds, and retro hardware requiring ATA/IDE interface. Not compatible with modern SATA systems or laptops requiring 2.5" form factor.
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.

1.28GB ATA-2 IDE 5400RPM 128KB Cache Factory Sealed

Why the ST51270A is the right Legacy HDD

The Seagate Medalist 1270SL represents mid-1990s desktop storage technology at its peak. With ATA-2 Fast IDE interface and embedded servo design, it delivers reliable performance for legacy systems. Its Zone Bit Recording technology maximizes capacity efficiency while maintaining compatibility with vintage IBM AT-compatible computers. Still available brand new and factory sealed from Anand International — one of the few remaining sources for legacy IDE/ATA storage. Ships with 90-day warranty and free domestic shipping.

ATA-2 Fast IDE Interface

Features advanced ATA-2 interface with 16.6 MBps external transfer rate and enhanced command set for improved performance over standard IDE.

Zone Bit Recording Technology

Advanced ZBR technology optimizes data density across the drive surface, delivering maximum 1.28GB capacity in compact 3.5" form factor.

Embedded Servo Design

Precision embedded servo system ensures accurate head positioning and consistent data access across all tracks for reliable operation.

Legacy System Compatibility

Perfect for IBM AT compatible systems, vintage computer restoration, and retro hardware builds requiring authentic period-correct storage.

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.