(This post has been updated to show new LTO generations. The original charts are listed below for continuity)
| LTO-1 | LTO-2 | LTO-3 | LTO-4 | LTO-5 | LTO-6 | LTO-7 | LTO-8 | |
|---|---|---|---|---|---|---|---|---|
| Capacity (native) | 100 GB | 200 GB | 400 GB | 800 GB | 1.5 TB | 2.5 TB | 6.4 TB | 12.8 TB |
| Capacity (compressed) | 200 GB | 400 GB | 800 GB | 1.6 TB | 3 TB | 6.25 TB | 16 TB | 32 TB |
| Compression | 2:1 | 2:1 | 2:1 | 2:1 | 2:1 | 2.5:1 | 2.5:1 | 2.5:1 |
| Raw Transfer Rate | 20 MB/s | 40 MB/s | 80 MB/s | 120 MB/s | 140 MB/s | 160 MB/s | 315 MB/s | 472 MB/s |
| Encryption | - | - | - | 256-bit | 256-bit | 256-bit | 256-bit (?) | 256-bit (?) |
| Compliance | - | - | WORM* | WORM* | WORM* | WORM* | WORM (?) | WORM (?) |
| Partitions | One | One | One | One | Max Two | Max Two | Max Two (?) | Max Two (?) |
* WORM: Write Once Read Many
Protection so data cannot not be modified once written to tape, but still offers unlimited reading of data.
Current LTO Capacities
Current and Future LTO Capacities
Current LTO Transfer Rates
Current and Future LTO Transfer Rates
LTO Tape Comparison Charts
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very thnks
Would you get LTO6 performance when using LTO6 tapes in an LTO7 drive
Sorry for the delayed response, Henry. You are correct LTO6 is LTO6 and can not reach the LTO7 performance.
You’re welcome!
Would be useful to know the MINIMUM transfer rate, ie. the rate below which they will shoe-shine.
You are correct. That would be helpful.
The manufacturer’s seem hesitant to put that data out there, but I will look deeper.
Thanks!