Definition

LTO-3 (Linear Tape-Open 3)

Contributor(s): Ed Hannan

LTO-3 is a tape format from the Linear Tape-Open (LTO) Consortium released in 2005. It was succeeded by LTO-4 in 2007, LTO-5 in 2010 and LTO-6 in 2012. LTO-7, LTO-8, LTO-9 and LTO-10 formats are scheduled, but not yet available.

According to the Consortium, LTO-3 offers an approximate capacity of 800 gigabytes (GB), native sustained data transfer rates of up to 245 GB per hour, compressed sustained data transfer rates of up to 324 GB per hour and a compressed burst transfer rate of 160 megabytes per second (MBps). Both the capacity and data transfer rates for LTO-3 assume a 2:1 compression ratio, while uncompressed capacity/throughput is 400 GB per 80 MBps.

The LTO-3 format introduced the write once, read many (WORM) feature that writes information to the tape once and prevents it from being erased.

Additional LTO format specifications

LTO-1 was released in 2000. It was the first iteration of the LTO magnetic tape data storage technology that was an open standard alternative to the formats available at the time.

LTO-2 was released in 2002 with a capacity of 200 GB. It doubled the capacity and speed of LTO-1, improving capacity from 100 GB to 200 GB and speed from 20 MBps to 40 MBps.

LTO-4, released in 2007, offers 800 GB capacity (1.6 TB compressed). It was the first LTO tape format to include 256-bit Advanced Encryption Standard-Galois Counter Mode drive-level encryption.

The LTO-5 format, first released in 2010, has a capacity of about 3 terabytes with data transfer rates of up to 280 MBps. LTO05 tape capacity assumes a 2:1 compression ratio; uncompressed capacity/throughput is 1.5 TB per 140 MBps.

Upcoming LTO formats and specifications

The Consortium has said that LTO-7, LTO-8, LTO-9 and LTO-10 tape formats will eventually become available, but they are not on the market as of July 2015. Here are the projected specifications:

  • LTO-7: 16 TB tape capacity, data transfer rates up to 788 MBps and uncompressed capacity/throughput of 6.4 TB per 315 MBps.
  • LTO-8: 32 TB tape capacity, data transfer rates of up to 1,180 MBps and uncompressed capacity/throughput of 12.8 TB per 472 MBps.
  • LTO-9: 62.5 TB tape capacity, data transfer rates of up to 1,770 MBps and uncompressed capacity/throughput of 26 TB per 708 MBps.
  • LTO-10: 120 TB tape capacity, data transfer rates of up to 2,750 MBps and uncompressed capacity/throughput of 48 TB per 1,100 MBps.
This was last updated in July 2015

Continue Reading About LTO-3 (Linear Tape-Open 3)

Dig Deeper on Tape backup and tape libraries

PRO+

Content

Find more PRO+ content and other member only offers, here.

Join the conversation

1 comment

Send me notifications when other members comment.

By submitting you agree to receive email from TechTarget and its partners. If you reside outside of the United States, you consent to having your personal data transferred to and processed in the United States. Privacy

Please create a username to comment.

Do you still use LTO-3 tape drives or have you adopted the current LTO-6 version?
Cancel

-ADS BY GOOGLE

File Extensions and File Formats

Powered by:

SearchSolidStateStorage

SearchCloudStorage

SearchDisasterRecovery

SearchStorage

SearchITChannel

Close