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OCTOBER 2006 VXA-320 TAPE DRIVE
49
DATA CAPACITIES
7
SPECIFICATIONS
This chapter provides specifications for the VXA-320 tape drive. This chapter
provides the following specifications for the internal and tabletop models of
the tape drive:
Data capacities
Performance specifications
Reliability specifications
Size and weight
Power specifications
Environmental specifications
Shipping specifications
Safety and regulatory agency compliance
DATA CAPACITIES
Tab le 7- 1 lists the data capacities for the VXAtape cartridge models supported
by the VXA-320 tape drive.
Table 7-1 Data capacities in gigabytes (GB)
Cartridge
Model
a
a
The VXA-320 (VXA-3) tape drive does not support VXAtape V6, V10, or V17.
Tape Length
Capacity,
b
Native (GB)
c
b
Maximum capacity is obtained using VXA-320 (VXA-3) format; assumes the host computer keeps the tape
drive streaming.
c
One gigabyte equals 1,000,000,000 bytes.
Capacity,
a
Compressed (GB)
d
d
Assumes a 2:1 compression ratio. Actual compressed capacity varies depending on the type of data being
recorded. The VXA-320 tape drive uses the ALDC (Adaptive Lossless Data Compression) algorithm and
integrated circuit chip. The ALDC algorithm is compliant with the European Computer Manufacturers
Association (ECMA) standard. Data compression is controlled by the software application. Enabling or
disabling the tape drive’s hardware compression is controlled by the backup application.
X23 or V23 230 meters 160 320
X10 124 meters 86 172
X6 62 meters 40 80