Quantum ProDrive LPS LPS525AT 525MB ATA-1 IDE front view Quantum ProDrive LPS LPS525AT 525MB ATA-1 IDE front view
Quantum ProDrive LPS LPS525AT 525MB ATA-1 IDE front view Quantum ProDrive LPS LPS525AT 525MB ATA-1 IDE front view
Quantum LPS525AT top view Quantum LPS525AT top view
Quantum ProDrive LPS525AT angled view Quantum ProDrive LPS525AT angled view
Quantum LPS525AT drive label view Quantum LPS525AT drive label view
Quantum ProDrive LPS LPS525AT 525MB ATA-1 IDE front view
Quantum ProDrive LPS LPS525AT 525MB ATA-1 IDE front view
Quantum LPS525AT top view
Quantum ProDrive LPS525AT angled view
Quantum LPS525AT drive label view

Quantum

Quantum ProDrive LPS LPS525AT – 525MB | ATA-1 IDE | 4500 RPM | 3.5" Slimline | Desktop HDD

$150.00

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

The LPS525AT is a 525MB ATA-1 IDE hard drive featuring 4500 RPM spindle speed, 512KB segmented cache, and 10ms average seek time in a 3.5" slimline form factor. Built for early 1990s IBM PC AT compatible systems, it is ideal for legacy computing restoration, vintage system builds, and 486/early Pentium workstations. Compatible with standard IDE controllers and motherboards with integrated AT/IDE interfaces. Features Quantum's innovative low-profile design with 250,000 hour MTBF rating for continuous desktop operation.

All products from Anand International ship brand new and factory sealed. Volume and B2B pricing available for qualified buyers.
Specifications
  • Manufacturer: Quantum
  • Model: ProDrive LPS LPS525AT
  • Capacity: 525MB
  • Interface: ATA-1 IDE
  • Spindle Speed: 4500 RPM
  • Cache: 512KB Segmented
  • Form Factor: 3.5" Slimline
  • Seek Time: 10ms average
  • Latency: 6.7ms
  • MTBF: 250,000 hours
  • Drive Type: Desktop Hard Drive
  • Warranty: 90 days
  • Shipping: Free domestic US shipping
  • Condition: Brand New, Factory Sealed
Product Features
  • 525MB formatted capacity with transparent defect management
  • ATA-1 IDE interface with standard 40-pin connector
  • 4500 RPM spindle with low-profile slimline design
  • 512KB segmented cache for enhanced performance
  • 10ms average seek time, 3ms track-to-track
  • 112-bit Reed-Solomon error correction code
  • Auto-park/landing zone protection system
  • Compatible with IBM PC AT and clone systems
  • 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 and compatible systems, 486 and early Pentium motherboards with IDE interfaces, third-party IDE controller cards, and systems supporting ATA-1 standard. Not compatible with modern SATA systems without IDE adapters.
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.

525MB ATA-1 IDE 4500 RPM 250K MTBF Factory Sealed

Why the ProDrive LPS LPS525AT — Legacy IDE Still Available New drive

Part of Quantum's acclaimed Low Profile Series from 1992, the LPS525AT represents the pinnacle of early IDE drive engineering. This slimline drive delivers reliable performance for vintage computing applications with advanced features like segmented caching and transparent defect management. With its 250,000 hour MTBF rating and proven track record, it remains the preferred choice for restoring classic 486 and early Pentium systems.

Early IDE Pioneer Technology

Features advanced ATA-1 IDE interface with full AT command set compatibility. Includes sophisticated 112-bit Reed-Solomon error correction for exceptional data integrity.

Optimal Vintage System Performance

4500 RPM spindle speed and 512KB segmented cache deliver excellent performance for early 1990s applications. Low-profile design fits space-constrained desktop cases.

Proven Enterprise Reliability

250,000 hour MTBF rating with transparent defect management and automatic error recovery. Built to Quantum's highest quality standards for continuous operation.

Perfect Classic Computing Match

Specifically designed for IBM PC AT compatible systems and 486/Pentium platforms. Ideal capacity for DOS, Windows 3.1, and early Windows 95 installations.

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.