Conner CP30087E 85MB ATA-33 IDE front view Conner CP30087E 85MB ATA-33 IDE front view
Conner CP30087E 85MB ATA-33 IDE front view Conner CP30087E 85MB ATA-33 IDE front view
Conner CP30087E top view Conner CP30087E top view
Conner CP30087E angled view Conner CP30087E angled view
Conner CP30087E 85MB ATA-33 IDE front view
Conner CP30087E 85MB ATA-33 IDE front view
Conner CP30087E top view
Conner CP30087E angled view

Conner

Conner CP30087E – 85MB | ATA-33 IDE | 3822 RPM | 3.5" | Legacy HDD

$119.95

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

The CP30087E is an 85MB ATA-33 IDE hard drive featuring 3822 RPM, 32KB cache, and 17ms average seek time in a 3.5" form factor. Built for early-1990s desktop systems, it is ideal for legacy PC restoration, vintage computing projects, and retro system builds. Compatible with 486 and early Pentium systems using standard IDE controllers. Engineered with Reed-Solomon error correction and designed for continuous operation in desktop environments of its era.

All products from Anand International ship brand new and factory sealed. Volume and B2B pricing available for qualified buyers.
Specifications
  • Manufacturer: Conner
  • Model: CP30087E
  • Capacity: 85MB
  • Interface: ATA-33 IDE
  • Spindle Speed: 3822 RPM
  • Cache: 32KB
  • Form Factor: 3.5"
  • Seek Time: 17ms average
  • Latency: 7.8ms average
  • MTBF: 150,000 hours
  • Drive Type: Desktop Legacy HDD
  • Warranty: 90 days
  • Shipping: Free domestic US shipping
  • Condition: Brand New, Factory Sealed
Product Features
  • 85MB formatted capacity for vintage systems
  • ATA-33 IDE interface with standard 40-pin connector
  • 3822 RPM spindle speed for era-appropriate performance
  • 32KB cache buffer with look-ahead technology
  • 17ms average seek time for responsive access
  • Reed-Solomon error correction for data integrity
  • 3.5" low-profile form factor (1" height)
  • Master/slave jumper configuration support
  • 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 486, early Pentium, and 386 desktop systems using standard IDE controllers and motherboards with ATA support. Not compatible with SATA interfaces, modern motherboards without IDE ports, or systems requiring drives larger than 85MB.
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.

85MB ATA-33 IDE 3822 RPM 17ms Factory Sealed

Why the CP30087E is the right Legacy HDD

The CP30087E represents Conner's early-1990s desktop storage technology, delivering reliable 85MB capacity through the emerging ATA-33 IDE interface. With its 3822 RPM spindle speed and 17ms seek time, it provides period-correct performance for vintage computing enthusiasts. The drive features advanced error correction and low-profile design, making it an authentic component for retro PC builds and legacy system restoration projects.

Authentic Early-90s Storage

Original ATA-33 IDE technology from Conner's desktop drive lineup, delivering authentic performance characteristics for vintage computing projects.

85MB Legacy Capacity

Period-appropriate 85MB storage capacity ideal for MS-DOS, early Windows systems, and classic software applications from the era.

Reliable IDE Interface

Standard 40-pin ATA-33 IDE connector ensures compatibility with legacy motherboards and IDE controllers from 486 and early Pentium systems.

Reed-Solomon Error Correction

Advanced error detection and correction technology provides data integrity and reliability for critical vintage computing applications.

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.