AIT-5 vs. Others
  Quantum SDLT 600 Quantum LTO3 Sony AIT-5
Capacity and Performance
Max Native Capacity 300 GB 400 GB 400 GB
Max Compressed Capacity 600 GB 800 GB 1,040 GB
Max Native Transfer Rate 36 MB/s 68 MB/s 24 MB/s
Average File Access Time 79 sec 68 sec 44 sec
Average Media Load Time 12 sec 30 sec 14 sec
Tape Speed (Inches per Second) 105 232 1
Technology
Recording Format Linear Linear Helical-Scan
Form Factor 5.25" FH 5.25" FH 3.5" HH
Media Type 1/2" - eMP60TM 1/2" - MP 8mm - AMEII
Automatic Head Cleaner No No Yes
WORM Functionality Yes No Yes
Buffer Size 64 MB 128 MB 96 MB
Auxiliary (Cartridge) Memory No Yes Yes
Compression Technology DLZ DLZ ALDC
Average Compression Ratio 2:1 2:1 2.6:1
Power Consumption 32 watts 42 watts 26 watts
Reliability*
MTBF (Hours) 250,000 250,000 400,000
Duty Cycle 100% 100% 100%
Head Life (Hours) 50,000 N/A 50,000
Passes to Fill Tape 56 44 1
Media Uses 19,250 25,000 30,000
Media Archival Life 30 years N/A 30 years
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