Seagate ST340016A 40GB Ultra ATA/100 front view Seagate ST340016A 40GB Ultra ATA/100 front view
Seagate ST340016A 40GB Ultra ATA/100 front view Seagate ST340016A 40GB Ultra ATA/100 front view
Seagate ST340016A top view Seagate ST340016A top view
Seagate ST340016A angled view Seagate ST340016A angled view
Seagate ST340016A label view Seagate ST340016A label view
Seagate ST340016A 40GB Ultra ATA/100 front view
Seagate ST340016A 40GB Ultra ATA/100 front view
Seagate ST340016A top view
Seagate ST340016A angled view
Seagate ST340016A label view

Seagate

Seagate ST340016A – 40GB | Ultra ATA/100 IDE | 7200 RPM | 3.5" | Desktop HDD

$89.95

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

The ST340016A is a 40GB Ultra ATA/100 hard drive featuring 7,200 RPM spindle speed, 2MB cache, and 9ms average seek time in a 3.5" form factor. Built for early 2000s desktop systems, it is ideal for legacy computing restoration, vintage workstations, and retro PC builds. Compatible with ATA-100/133 controllers and systems requiring IDE/PATA storage solutions. The Barracuda ATA IV series utilized Giant Magnetoresistive (GMR) recording heads with EPRML technology, delivering reliable continuous operation for desktop environments demanding fast access times.

All products from Anand International ship brand new and factory sealed. Volume and B2B pricing available for qualified buyers.
Specifications
  • Manufacturer: Seagate
  • Model: ST340016A
  • Capacity: 40GB
  • Interface: Ultra ATA/100 IDE
  • Spindle Speed: 7,200 RPM
  • Cache: 2MB
  • Form Factor: 3.5"
  • Seek Time: 9ms average
  • Latency: 4.16ms
  • MTBF: 600,000 hours
  • Drive Type: Desktop
  • Warranty: 90 days
  • Shipping: Free domestic US shipping
  • Condition: Brand New, Factory Sealed
Product Features
  • Ultra ATA/100 interface with 100MB/s transfer rate
  • Giant Magnetoresistive (GMR) recording heads
  • EPRML (Extended Partial Response Maximum Likelihood) technology
  • 3D Defense System protection
  • Fluid Dynamic Bearing (FDB) motor
  • S.M.A.R.T. monitoring support
  • SeaShield ESD protection
  • Track-to-track seek time: 0.76ms
  • 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 systems supporting Ultra ATA/100, ATA/133, and legacy ATA-66/33 controllers. Works with motherboards featuring 40-pin IDE connectors and supports master/slave configuration. Not compatible with SATA interfaces or systems requiring native SATA connectivity 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.

40GB Ultra ATA/100 7200 RPM 9ms Seek Factory Sealed

Why the ST340016A is the right desktop drive

The Barracuda ATA IV ST340016A represents Seagate's fourth-generation ATA technology from 2001, delivering 7,200 RPM performance with advanced GMR recording technology. This 40GB desktop drive provides reliable storage for legacy system restoration and vintage computing applications. Its Ultra ATA/100 interface maximizes compatibility across late 1990s and early 2000s desktop platforms while maintaining excellent seek time performance.

Ultra ATA/100 High-Speed Interface

Features Ultra ATA/100 interface delivering up to 100MB/s transfer rates with backward compatibility to ATA-66/33 systems. Supports both master and slave configurations on standard 40-pin IDE controllers.

7200 RPM Performance Class

High-speed 7,200 RPM spindle provides superior performance compared to 5400 RPM drives of the era. Achieves 9ms average seek time and 4.16ms average latency for responsive desktop operation.

GMR Recording Technology

Advanced Giant Magnetoresistive recording heads with EPRML technology deliver increased areal density and data reliability. Features Seagate's 3D Defense System for comprehensive drive protection.

Legacy Desktop Compatibility

Perfect for restoring vintage desktop systems, legacy workstations, and retro computing builds from the early 2000s era. Supports standard 3.5" mounting with industry-standard power and data connectors.

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.