Quantum ProDrive ELS127AT 127MB ATA IDE front view Quantum ProDrive ELS127AT 127MB ATA IDE front view
Quantum ProDrive ELS127AT 127MB ATA IDE front view

Quantum

Quantum ProDrive ELS127AT – 127MB | ATA-33 IDE | 3663RPM | 3.5" | Legacy HDD

$150.00

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

The Quantum ProDrive ELS127AT is a 127MB ATA/IDE hard drive featuring 3663 RPM, 32KB cache, and 17ms average seek time in a 3.5" slimline form factor. Built for early 1990s desktop and workstation systems, it is ideal for vintage computer restoration, legacy system maintenance, and retro computing enthusiasts. Compatible with PC/AT systems requiring IDE/ATA interface drives, 486 and early Pentium motherboards, and legacy embedded applications. This ProDrive ELS series drive incorporates Reed-Solomon error correction and automatic head parking for reliable continuous operation in early desktop environments.

All products from Anand International ship brand new and factory sealed. Volume and B2B pricing available for qualified buyers.
Specifications
  • Manufacturer: Quantum
  • Model: ELS127AT
  • Capacity: 127MB
  • Interface: ATA/IDE
  • Spindle Speed: 3663 RPM
  • Cache: 32KB
  • Form Factor: 3.5" Slimline
  • Seek Time: 17ms (average)
  • Latency: 8.2ms
  • MTBF: 250,000 hours
  • Drive Type: Internal Hard Drive
  • Warranty: 90 days
  • Shipping: Free domestic US shipping
  • Condition: Brand New, Factory Sealed
Product Features
  • 127MB formatted capacity
  • ATA/IDE interface (AT Attachment)
  • 3663 RPM spindle speed
  • 32KB DisCache buffer for enhanced performance
  • Reed-Solomon 112-bit error correction
  • 3.5" slimline form factor
  • 250,000 hour MTBF rating for demanding storage workloads
  • Master/Slave/Cable Select jumper options
  • 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, 486 and early Pentium motherboards requiring IDE/ATA drives, vintage workstations, and embedded applications supporting 40-pin IDE interface. Not compatible with SATA systems, modern UEFI-only motherboards, or systems requiring drives larger than 528MB barrier limitations.
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.

127MB ATA IDE 3663RPM 32KB Cache Factory Sealed

Why the ProDrive ELS127AT — Legacy IDE Still Available New drive

The Quantum ProDrive ELS127AT represents mid-1990s desktop storage technology, featuring ATA/IDE interface compatibility with PC/AT systems. This 127MB drive delivers reliable performance with 32KB cache buffering and Reed-Solomon error correction for vintage computing applications. The slimline 3.5" form factor fits standard desktop bays while providing authentic period-correct specifications for retro system builds.

ATA/IDE Interface Compatibility

Features standard 40-pin IDE connector for direct compatibility with 486 and early Pentium motherboards. Supports Master/Slave configuration with jumper settings for dual-drive systems.

32KB DisCache Performance Buffer

Incorporates intelligent disk cache technology to enhance system throughput and reduce access latency. Read and write caching optimizes performance for period-appropriate applications.

Reed-Solomon Error Correction

Advanced 112-bit error correction reduces uncorrectable read errors to less than one bit in 10^14 bits read. Automatic retry algorithms ensure data integrity for critical vintage systems.

250,000 Hour MTBF Rating

Engineered for continuous desktop operation with proven reliability metrics. Bell-Core predicted MTBF with historically demonstrated performance exceeding specifications in field testing.

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.