Quantum A-Series User Manual

Drive Performance Specifications

Quantum A-Series Tape Drives User’s Guide

47

Drive Performance Specifications

 lists the performance specifications of the LTO-3 Half-Height 

Tape Drive.

Table 21   Drive Performance 
Specifications

Average data access time  

(650-m tape) from BOW 

(beginning of wrap)

60 seconds

Average rewind time  

(650-m tape)

> 51 seconds

Max rewind time  

(650-m tape)

< 120 seconds

Capacity 

         LTO Ultrium 3 (680 m)

 
400 Gbytes (native)

Cartridge unload time (if Table 

of Contents does not require 

updating)

25 seconds

Read Table of Contents

30 – 90 seconds (depending on size)

Error recovery

Read-after-write Reed Solomon 

ECC (2 levels)

Flux density

10249 cells per mm

Head configuration

2 bumps 

16 thin-film write heads per bump  

16 MR read heads per bump 

2 MR servo heads per bump

Maximum data access time 

(650-m tape) from BOW

120 seconds