Tape is used for archives because it has the lowest cost per terabyte for data you rarely read (about $5 to $7 per TB on LTO-9 in October 2026), a cartridge on a shelf is offline and out of reach of ransomware, and it draws no power when idle.
Tape storage keeps a copy of your data offline, on media that costs little per terabyte and lasts decades on a shelf. Here is where it beats disk and cloud, and where it does not.
Comprehensive guide to Linear Tape-Open technology, drive generations, specifications, and benefits
Compare LTO tape vs hard drive for backup — durability, cost, ransomware protection, and real-world use cases
LTO tape offers the lowest total cost of ownership (TCO) for long-term data storage. While initial hardware investment is required, the ongoing costs are minimal.
| Storage | Cost | Unit | What drives the cost |
|---|---|---|---|
| LTO Tape | $5 to $7 | per TB | One-time media cost, zero power costs when stored |
| Disk Storage | $15 to $30 | per TB | Hardware depreciation, ongoing power and cooling |
| Cloud Storage | $20 to $50+ | per TB/year | Recurring monthly fees plus egress charges |
Long-term Savings Example:
For 1 PB stored over 10 years: Tape = ~$75,000 | Disk = ~$300,000 | Cloud = ~$2,000,000+
LTO tape cartridges are designed for 30+ year archival life when stored properly in controlled environments. This makes tape ideal for compliance and regulatory requirements.
• No mechanical wear when stored
• Stable magnetic properties
• Resistant to bit rot
• Self-contained and portable
| Storage | Typical lifespan |
|---|---|
| Hard drives | 3-5 year lifespan |
| SSDs | 5-10 year retention |
| Tape | 30+ year archival life |
| Cloud | Dependent on provider |
The ultimate defense against cyber threats
Tape provides a physical air gap - when ejected from the drive and stored offline, tape cartridges are completely isolated from networks and cannot be accessed, modified, or encrypted by malware.
| Number | Rule |
|---|---|
| 3 | copies of your data |
| 2 | different media types |
| 1 | copy offsite |
| 1 | copy offline (air-gapped) ← This is where tape excels |
| 0 | errors after verification |
| Protection against | Additional security |
|---|---|
| Ransomware encryption | Hardware AES-256 encryption |
| Malware propagation | WORM (Write-Once-Read-Many) |
| Insider threats | Physical custody control |
| Network-based attacks | No internet dependency |
Unlike disk or cloud storage that requires continuous power, tape consumes zero energy when stored. This makes it the most environmentally sustainable storage option.
| Storage | Power | Note |
|---|---|---|
| Tape Storage | 0 W | Zero power when offline |
| Disk Arrays | ~10 W | per TB continuously |
| Cloud Storage | Variable | Datacenter overhead |
For organizations storing petabytes, the energy savings translate to significant cost reductions and reduced carbon footprint.
Tape works best as part of a comprehensive backup architecture
Modern organizations use a tiered approach combining multiple storage types to optimize for performance, cost, and security.
| Tier | Storage | Role |
|---|---|---|
| 1 | Disk (Primary Backup) | Fast recovery for recent data, immediate restore capability, typically 30-90 days retention |
| 2 | Cloud (Offsite Replication) | Geographic redundancy, disaster recovery scenarios, automated replication |
| 3 | Tape (Long-term Archive + Air Gap) | Cost-effective retention, compliance archives, ransomware-proof offline copies |
Best Practice:
Use disk for rapid restores, cloud for disaster recovery, and tape for long-term retention and ultimate protection. This hybrid approach delivers the best of all worlds.
Current prices
Prices on this page are rounded guidance. For seller listings checked in September 2026, see the LTO price tracker and the price history.
Yes. The LTO Program reported 160.3 exabytes of LTO capacity shipped in 2025, and shipped capacity in the first quarter of 2026 was 57% higher than a year earlier. Tape is used for long-term archives, offline copies and compliance retention rather than day-to-day restores.
New LTO-9 cartridges cost about $5.14 to $7.17 per native terabyte in October 2026, and LTO-8 about $5.85 to $7.03. A drive is a separate one-off cost, from roughly $4,850 for LTO-8 to $13,329 for LTO-9.
A cartridge that has been removed from the drive is offline, so no network attack can reach it. WORM cartridges add a second layer by physically preventing overwrites, and LTO drives support hardware AES-256 encryption for tapes that leave the building.
LTO cartridges are rated for about 30 years of archival life in controlled storage. The practical limit is usually drive availability rather than the media, because a drive generation only reads one or two generations back.