Seagate CFS1275A 1.2GB ATA-2 IDE front view Seagate CFS1275A 1.2GB ATA-2 IDE front view
Seagate CFS1275A 1.2GB ATA-2 IDE front view Seagate CFS1275A 1.2GB ATA-2 IDE front view
Seagate CFS1275A top view Seagate CFS1275A top view
Seagate CFS1275A angled view Seagate CFS1275A angled view
Seagate CFS1275A 1.2GB ATA-2 IDE front view
Seagate CFS1275A 1.2GB ATA-2 IDE front view
Seagate CFS1275A top view
Seagate CFS1275A angled view

Seagate

Seagate CFS1275A – 1.2GB | ATA-2 Fast IDE | 3600RPM | 3.5" | Legacy HDD

$250.00
Tax included.

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

The CFS1275A is a 1.2GB ATA-2 Fast IDE hard drive featuring 3600RPM spindle speed, 64KB cache, and 14ms average seek time in a 3.5" slimline form factor. Built for mid-1990s PC/AT compatible systems, it is ideal for vintage computing restoration, legacy system maintenance, and retro gaming applications. Compatible with ATA-2 controllers, Enhanced IDE interfaces, and systems supporting translate mode operation. Engineered with Reed-Solomon error correction and voice coil actuator technology for continuous operation in demanding environments.

All products from Anand International ship brand new and factory sealed. Volume and B2B pricing available for qualified buyers.
Specifications
  • Manufacturer: Seagate
  • Model: CFS1275A (ST31275A)
  • Capacity: 1.2GB (1275MB)
  • Interface: ATA-2 Fast IDE
  • Spindle Speed: 3600RPM
  • Cache: 64KB
  • Form Factor: 3.5" Slimline
  • Seek Time: 14.0ms average
  • Latency: 8.3ms average
  • MTBF: 300,000 hours
  • Drive Type: Internal Desktop HDD
  • Warranty: 90 days
  • Shipping: Free domestic US shipping
  • Condition: Brand New, Factory Sealed
Product Features
  • ATA-2 Fast IDE interface with 16.6MB/s transfer rate
  • 64KB segmentable cache buffer
  • Reed-Solomon error correction with on-the-fly capability
  • Voice coil actuator with rotary positioning
  • Universal Translate Mode support
  • LBA and CHS addressing modes
  • Low-profile slimline design
  • 40-pin IDE connector
  • 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 PC/AT systems, Enhanced IDE controllers, ATA-2 interfaces, and systems supporting translate mode operation. Not compatible with SATA controllers or modern UEFI systems without legacy IDE support.
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.

1.2GB ATA-2 IDE 3600RPM 64KB Cache Factory Sealed

Why the CFS1275A is the right Legacy HDD

The Conner/Seagate CFS1275A represents the pinnacle of mid-1990s IDE hard drive technology. With ATA-2 Fast IDE interface and 16.6MB/s transfer capabilities, it delivered exceptional performance for its era. Originally manufactured by Conner Peripherals and later supported by Seagate, this drive features advanced error correction and Universal Translate Mode for maximum compatibility.

ATA-2 Fast IDE Performance

Features 16.6MB/s data transfer rate with PIO Mode 3 and Multiword DMA support. Advanced ATA-2 interface ensures optimal performance for vintage systems requiring fast storage.

Advanced Error Correction

Reed-Solomon error correction with on-the-fly capability corrects single bursts up to 11 bits. Ensures data integrity and reliability for critical legacy applications.

Universal Translate Mode

Configurable cylinder, head, and sector settings for maximum compatibility. Supports both LBA and Extended CHS addressing to overcome 528MB DOS barriers.

Voice Coil Actuator Technology

Precision rotary voice coil actuator provides 14ms average seek time. Engineered for continuous operation with 300,000-hour MTBF rating.

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.