# tape drive

> data storage device that reads and writes data on a magnetic tape

**Wikidata**: [Q751913](https://www.wikidata.org/wiki/Q751913)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Tape_drive)  
**Source**: https://4ort.xyz/entity/tape-drive

## Summary
A tape drive is a data storage device that reads and writes data on magnetic tape, commonly used for backup and archiving due to its high capacity and durability. It operates by magnetizing tiny iron oxide particles on the tape to store digital information. Tape drives are distinct from disk drives, as they use linear tape rather than rotating disks.

## Key Facts
- **Subclass of**: drive, removable-media drive.
- **Early models**: UNISERVO (1950s), IBM 727 (1953), IBM 729 (1950s–1960s).
- **Unicode symbols**: ✇ (tape reel) and 🖭 (cartridge family).
- **Classifications**: UNSPSC code 43201807; Google Product Taxonomy ID 385.
- **Related formats**: ADAT (digital audio), IBM 3590/3592 (enterprise tape systems).
- **Connections**: Uses removable computer tape cartridges.

## FAQs
### Q: What is a tape drive used for?
A: Tape drives are primarily used for long-term data backup, archiving, and large-scale storage due to their high capacity and cost efficiency.

### Q: How does a tape drive work?
A: It reads and writes data by magnetizing particles on magnetic tape, which is moved past a read/write head to store or retrieve information.

### Q: Are tape drives still relevant today?
A: Yes, they remain critical in industries like finance, healthcare, and scientific research for secure, high-capacity storage despite the rise of cloud and solid-state solutions.

## Why It Matters
Tape drives play a vital role in data preservation, offering unparalleled storage density and longevity. They are immune to accidental deletion common in digital systems and require no power to maintain data, making them energy-efficient for archival purposes. Historically, they enabled early computers to handle large datasets, and modern advancements (e.g., IBM 3592) continue to push capacity limits, with some tapes storing up to 20 terabytes. Their offline "air-gapped" nature also provides robust security against cyber threats.

## Notable For
- **First commercial use**: IBM 726 (1952), the first magnetic tape unit for computers.
- **Unique media**: Uses removable cartridges (e.g., DDS, LTO) for scalable storage.
- **Cultural impact**: Featured in media like *WarGames* (1983) and associated with mainframe computing.
- **Specialized applications**: ADAT (audio recording), SAGE system (IBM 728), and NASA’s data storage.

## Body
### History
- **1950s**: UNISERVO and IBM 727 emerged as early tape drives for mainframes.
- **1960s**: IBM 729 became a standard for tape storage in mid-century computing.
- **1980s–1990s**: DAT (Digital Audio Tape) and DLT (Digital Linear Tape) formats gained popularity.
- **2000s**: LTO (Linear Tape-Open) consortium standardized modern high-capacity tapes.

### Technical Specifications
- **Media types**: Open-reel (legacy) vs. enclosed cartridges (modern).
- **Data transfer**: Sequential access (slower than random-access disk drives).
- **Capacity**: Modern tapes exceed 20 TB uncompressed (e.g., LTO-9).

### Applications
- **Enterprise**: Backup for financial records, medical imaging, and research data.
- **Entertainment**: ADAT for multitrack audio recording (1990s–2000s).
- **Government**: Secure archival for classified or historical records.

### Standards and Classifications
- **UNSPSC**: 43201807 (Computer tape drives).
- **Google Taxonomy**: 385 (Electronics > Storage Devices > Tape Drives).
- **Unicode**: ✇ (U+2707) for reels, 🖭 (U+1F5AD) for cartridges.

## Schema Markup
```json
{
  "@context": "https://schema.org",
  "@type": "Thing",
  "name": "Tape drive",
  "description": "Data storage device that reads and writes data on a magnetic tape",
  "url": "https://en.wikipedia.org/wiki/Tape_drive",
  "sameAs": [
    "https://www.wikidata.org/wiki/Q1139355",
    "https://commons.wikimedia.org/wiki/Category:Tape_drives"
  ],
  "additionalType": "https://schema.org/Computer",
  "image": "https://commons.wikimedia.org/wiki/Special:FilePath/Dds_tape_drive_01.jpg"
}

## References

1. Freebase Data Dumps. 2013
2. Quora
3. KBpedia