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53 seconds typical for LTO 3 media 

62 seconds typical for LTO 4 media 

52 seconds typical for LTO 5 media 

Rewind time from EOT 

< 88 seconds for LTO 2 media 
< 98 seconds for LTO 3 media 

< 92 seconds for LTO 2 media 
< 102 seconds for LTO 3 media 
< 124 seconds for LTO 4 media 

< 78 seconds for LTO 3 media 
< 93 seconds for LTO 4 media 
< 96 seconds for LTO 5 media 

Rewind tape speed 

7 m/s for (LTO 3 and LTO 2 media) 

7 m/s for (LTO 4 and LTO 3 media) 

9 m/s for (LTO 5 and LTO 4 media) 

Average load time 

<19 seconds (RW) 
22 seconds (WORM) 

<19 seconds (RW) 
22 seconds (WORM -initialized) Uninitialized 
WORM media can take up to 70 seconds 

<19 seconds (RW) 
22 seconds (WORM -initialized) 
Uninitialized WORM media can take up to 
70 seconds 

Average unload time 

<19 seconds (RW) 
22 seconds (WORM) 

<19 seconds (RW) 
22 seconds (WORM -initialized) 
Uninitialized WORM media can take up to 70 
seconds 

<19 seconds (RW) 
22 seconds (WORM -initialized) 
Uninitialized WORM media can take up to 
70 seconds 

Encryption 

n/a 

AES 256 bit 

AES 256 bit 

Security 

WORM media support 

LTO 3 media 

LTO 4 media 

LTO-5 media 

MTBF 

250,000 hours  
at 100% duty cycle 

250,000 hours  
at 100% duty cycle 

250,000 hours  
at 100% duty cycle 

Reliability 

Uncorrected Error Rate 

1 in 1x10 

17

 bits 

1 in 1x10 

17

 bits 

1 in 1x10 

17

 bits 

Read 

LTO Ultrium 3  
LTO Ultrium 2 
LTO Ultrium 1 

LTO Ultrium 4 
LTO Ultrium 3  
LTO Ultrium 2 

LTO Ultrium 5 
LTO Ultrium 4  
LTO Ultrium 3 

Rewriteable 
Media  
Compatibility 

Write 

LTO Ultrium 3  
LTO Ultrium 2 

LTO Ultrium 4 
LTO Ultrium 3 [unencrypted] 

LTO Ultrium 5 
LTO Ultrium 4 

Read 

LTO Ultrium 3 WORM 

LTO Ultrium 4 WORM 
LTO Ultrium 3 WORM 

LTO Ultrium 5 WORM 
LTO Ultrium 4 WORM 
LTO Ultrium 3 WORM 

WORM Media 
Compatibility 

Write 

LTO Ultrium 3 WORM 

LTO Ultrium 4 WORM 
LTO Ultrium 3 WORM 

LTO Ultrium 5 WORM 
LTO Ultrium 4 WORM 

 

 

LTO-3 FH Ultrium 960 

LTO-4 FH Ultrium 1840 

LTO-5 FH Ultrium 3280 

Recording method 

16-channel linear serpentine 

16-channel linear serpentine 

16-channel linear serpentine 

Recording format 

LTO Ultrium 3 
LTO Ultrium 2 

LTO Ultrium 4 
LTO Ultrium 3 [unencrypted] 

LTO Ultrium 5 
LTO Ultrium 4 

Data compression 

LTO DC dual mode compression (an 
enhanced version of ALDC) 

LTO DC dual mode compression (an 
enhanced version of ALDC) 

LTO DC dual mode compression (an 
enhanced version of ALDC) 

Error detection/correction 

Reed-Solomon 

Reed-Solomon 

Reed-Solomon 

Read Channel Technology  Partial Response Maximum Likelihood 

(PRML) 

Partial Response Maximum Likelihood 
(PRML) 

Partial Response Maximum Likelihood 
(PRML) 

Data Tracks 

704 

896 

1280 

Tape Format 

Data Encoding Method 

RLL 0,13/11 

RLL 0,13/11 

RLL 32/33 

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