Conner CP30254 252MB ATA-1 IDE front view Conner CP30254 252MB ATA-1 IDE front view
Conner CP30254 252MB ATA-1 IDE front view Conner CP30254 252MB ATA-1 IDE front view
Conner CP30254 top view Conner CP30254 top view
Conner CP30254 angled view Conner CP30254 angled view
Conner CP30254 label view Conner CP30254 label view
Conner CP30254 252MB ATA-1 IDE front view
Conner CP30254 252MB ATA-1 IDE front view
Conner CP30254 top view
Conner CP30254 angled view
Conner CP30254 label view

Conner

Conner CP30254 – 252MB | ATA-1 IDE 40-Pin | 4542RPM | 3.5" | Legacy HDD

$159.95

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

The CP30254 is a 252MB ATA-1 IDE hard drive featuring 4542RPM, 64KB cache, and 14ms average seek time in a 3.5" form factor. Built for early 1990s IBM PC/AT compatible systems, it is ideal for legacy computing restoration, vintage DOS applications, and retro gaming builds. Compatible with 40-pin IDE controllers using Universal Translate Mode configuration with 895 cylinders, 10 heads, and 55 sectors per track. Features read-ahead caching technology and RLL 1/7 recording method for reliable data storage in period-appropriate computing applications.

All products from Anand International ship brand new and factory sealed. Volume and B2B pricing available for qualified buyers.
Specifications
  • Manufacturer: Conner
  • Model: CP30254
  • Capacity: 252MB
  • Interface: ATA-1 IDE 40-Pin
  • Spindle Speed: 4542RPM
  • Cache: 64KB Read-Ahead
  • Form Factor: 3.5" Low Profile
  • Seek Time: 14ms Average
  • Latency: 6.6ms
  • MTBF: 150,000 hours
  • Drive Type: Internal IDE HDD
  • Warranty: 90 days
  • Shipping: Free domestic US shipping
  • Condition: Brand New, Factory Sealed
Product Features
  • 252MB formatted capacity with RLL 1/7 encoding
  • ATA-1 IDE interface with 40-pin connector
  • 4542RPM spindle speed for period performance
  • 64KB read-ahead cache buffer
  • 14ms average seek time, 3ms track-to-track
  • Universal Translate Mode support
  • Low-profile 3.5" form factor (1" height)
  • Auto park/lock head mechanism
  • 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 PC/AT systems, 286/386/486 computers with IDE controllers, and vintage computing platforms supporting ATA-1 specification. Not compatible with modern SATA controllers or systems requiring drives larger than 504MB without LBA 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.

252MB ATA-1 IDE 4542RPM 14ms Seek Factory Sealed

Why the CP30254 — Legacy IDE Still Available New storage solution

The Conner CP30254 represents early IDE technology from the transition period when hard drives moved from MFM/RLL controllers to integrated drive electronics. With its 252MB capacity and Universal Translate Mode, it provides authentic period storage for vintage computing enthusiasts. The read-ahead caching and optimized seek times delivered competitive performance for early 1990s applications.

Universal Translate Mode Compatibility

Features Conner's Universal Translate Mode allowing flexible cylinder/head/sector configuration for maximum compatibility with various BIOS implementations and vintage motherboards.

Read-Ahead Cache Technology

64KB read-ahead cache buffer improves data throughput and system responsiveness, particularly beneficial for DOS applications and early Windows environments.

Period-Authentic Performance

4542RPM spindle speed and 14ms seek time provide the authentic performance characteristics expected in early 1990s computing systems and applications.

Robust Low-Profile Design

Low-profile 3.5" form factor with auto park/lock mechanism ensures reliable operation and protection during system power cycles and transport.

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.