Western Digital WDAC2420-00F 425MB IDE front view Western Digital WDAC2420-00F 425MB IDE front view
Western Digital WDAC2420-00F 425MB IDE front view Western Digital WDAC2420-00F 425MB IDE front view
Western Digital Caviar top view Western Digital Caviar top view
Western Digital WDAC2420-00F angled view Western Digital WDAC2420-00F angled view
Western Digital WDAC2420-00F 425MB IDE front view
Western Digital WDAC2420-00F 425MB IDE front view
Western Digital Caviar top view
Western Digital WDAC2420-00F angled view

Western Digital

Western Digital WDAC2420-00F – 425MB | ATA-33 IDE | 3314RPM | 3.5" | Legacy HDD

$199.95

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

The WDAC2420-00F is a 425MB ATA-33 IDE hard drive featuring 3314 RPM spindle speed, 128KB cache, and 13.0ms average seek time in a 3.5" form factor. Built for mid-1990s DOS and Windows systems, it is ideal for vintage computing restoration, legacy system maintenance, and retro gaming builds. Compatible with 386, 486, and early Pentium systems using standard IDE controllers. This Caviar series drive represents Western Digital's reliable consumer desktop storage from the pre-gigabyte era when 425MB was substantial capacity.

All products from Anand International ship brand new and factory sealed. Volume and B2B pricing available for qualified buyers.
Specifications
  • Manufacturer: Western Digital
  • Model: WDAC2420-00F
  • Capacity: 425MB
  • Interface: ATA-33 IDE
  • Spindle Speed: 3314 RPM
  • Cache: 128KB
  • Form Factor: 3.5"
  • Seek Time: 13.0ms average
  • Latency: 9.0ms
  • MTBF: 250,000 hours
  • Drive Type: Desktop/Consumer
  • Warranty: 90 days
  • Shipping: Free domestic US shipping
  • Condition: Brand New, Factory Sealed
Product Features
  • 425MB formatted capacity
  • ATA-33 IDE interface with 40-pin connector
  • 3314 RPM spindle speed for low noise operation
  • 128KB static RAM buffer
  • 13.0ms average seek time
  • 9.0ms rotational latency
  • RLL 1,7 encoding for data integrity
  • Voice coil actuator with crash stop protection
  • 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 386, 486, and early Pentium systems using standard IDE controllers, DOS 3.0+, Windows 3.1, Windows 95, and legacy industrial systems requiring IDE storage. Not compatible with modern SATA controllers or systems requiring UDMA modes above Mode 1.
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.

425MB IDE 3314RPM 13ms Seek Factory Sealed

Why the WDAC2420-00F is the right vintage storage solution

This Western Digital Caviar represents reliable 1990s desktop storage technology with ATA-33 IDE interface and moderate 3314 RPM operation. The 425MB capacity was substantial for its era, suitable for DOS and early Windows systems. Its 13.0ms seek time and 128KB cache provided adequate performance for period applications while maintaining low power consumption and quiet operation.

Authentic 1990s Storage Technology

Original Western Digital Caviar series design from 1994 with period-appropriate 425MB capacity and ATA-33 IDE interface. Perfect for maintaining historical accuracy in vintage system builds.

Moderate Speed, Low Noise Operation

3314 RPM spindle speed provides quieter operation than faster drives while delivering sufficient performance for DOS and Windows 3.1 applications of the era.

Wide Legacy System Compatibility

Standard 40-pin IDE interface works with any 386, 486, or early Pentium system. Compatible with all major operating systems from DOS 3.0 through Windows 95.

Proven Caviar Series Reliability

Western Digital's consumer Caviar line was known for dependable desktop performance. Features voice coil actuator and intelligent defect management for consistent operation.

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.