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DDS-DC
50-pinA
Up to 4 GB
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External
Up to 66 Mbytes/min (compressed)
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Seagate's Scorpion DAT tape drive family combines high performance with
reliability, providing superior data protection for high-end server and
workstation environments. With A SCSI-2 interface and backup speeds up to
2.2 Mbyte per second, these DAT drives and loaders are available with
compressed capacities from 4 to 96 Gbytes and include a three-year limited
warranty. |
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Features |
Benefits |
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| Up
to 4-Gbyte storage capacity in one cartridge |
Ideal
backup for network servers and workstations |
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| Works
with leading backup software |
Choice
of the best software for your application |
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| 66
Megabytes/min transfer rate |
Fast
system backup |
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| Seagate's
REACT program |
Rapid
Replacement Program |
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| Diagnostic
utility |
Proper
installation/operation confirmation |
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Capacity and Interface |
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Compressed (Gbytes) |
4 |
8 |
24 |
40 |
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Native (Gbytes) |
2 |
4 |
12 |
20 |
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Interface |
SCSI-2
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SCSI-2
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SCSI-2
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Ultra2 SCSI
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Performance |
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Sustained Transfer Rate |
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Compressed Rate(Mbytes/min) |
66 |
66 |
132 |
330 |
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Native (Mbytes/min) |
33 |
33 |
66 |
165 |
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Tape Speed (in/sec, mm/sec) |
11.9 |
11.9 |
11.9 |
20.4 |
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Search/Rewind Speed (x base DDS-1 speed) |
200 |
200 |
200 |
400 |
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Average Access Time |
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90 Meter Tape (secs) |
30 |
30 |
30 |
30 |
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120 Meter Tape (secs) |
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40 |
40 |
40 |
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125 Meter Tape (secs) |
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40 |
40 |
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150 Meter Tape (secs) |
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45 |
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Buffer (Mbytes |
1000 |
1000 |
2000 |
10000 |
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Recording Method |
DDS-DC,DDS |
DDS-2,DDS-DC,DDS |
DDS-3,DDS-2,DDS-DC,DDS |
DDS-4 |
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Helical Scan |
Helical Scan |
Helical Scan |
Helical Scan |
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(R-DAT) |
(R-DAT) |
(R-DAT) |
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ANSI/ECMA |
ANSI/ECMA |
ANSI/ECMA |
ANSI/ECMA |
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Reliability & Data Integrity |
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MTBF(20% duty cycle) |
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Internal(hours) |
265000 |
150000 |
265000 |
483000 |
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External(hours) |
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150000 |
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Error Rate(bits) |
< 1 per 1015 |
< 1 per 1015 |
< 1 per 1015 |
< 1 per 1015 |
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Limited Warranty(years) |
3 |
3 |
3 |
3 |
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MTTR (hours) |
< 0.5 |
< 0.5 |
< 0.5 |
< 0.5 h |
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Data Cartridge |
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Recommended Data Cartridge |
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Seagate Model Number |
32000 |
34 |
STMD24G |
STDM40 |
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Capacity (Gbytes) |
8 |
8 |
24 |
40 |
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Format |
DDS |
DDS |
DDS |
DDS |
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Length |
90 |
12 |
125 |
150 |
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Compatible Cartridge Formats |
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DDS, DDS-DC (meters) |
60, 90 |
60, 90 |
60, 90 |
90 |
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DDS-2 (meters) |
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120 |
120 |
120 |
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DDS-3 (meters) |
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125 |
125 |
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DDS-4 (meters) |
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150 |
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Recommended Cleaning Cartridge |
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Seagate Model Number |
91301 |
91301 |
91301 |
STDMCL |
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Power Requirements |
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+5V±5% Idle/Operating (amps max) |
0.44/1 |
0.44/1 |
0.48/1 |
1.2/1.35 |
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+12V±10% Idle/Operating (amps max) |
0.28/1.8 |
0.28/1.8 |
0.3/1.8 |
0.015/0.25 |
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Watts (typ) |
5.5 |
1 |
11 |
9 |
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Auto-ranging Input Voltage (external) |
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100 to 24 |
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Environmental |
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Operating Temperature (ºC) |
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Internal |
5/45 |
5/35 |
5/45 |
5/45 |
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External |
/ |
5/45 |
/ |
/ |
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Nonoperating Temperature (ºC) |
-40/65 |
-40/65 |
-40/65 |
-40/65 |
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Relative Humidity |
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Operating (%) |
80 |
80 |
80 |
80 |
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Nonoperating (%) |
90 |
90 |
90 |
90 |
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Form-Factor |
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Internal |
half-height
5.25-inch |
external
external |
half-height
5.25-inch |
half-height
5.25-inch |
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External |
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Description |
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Media type |
DDS-DC |
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Model name |
Scorpion 4 |
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Model number |
STD64000N-SB |
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Interface type |
SCSI-2 |
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Native Capacity (max) |
2 |
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Compressed (2:1) capacity (max) |
4 |
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Physical Specifications |
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Form factor (width) |
external |
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Form factor (height) |
external |
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Height |
69 mm |
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Width |
155 mm |
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Length |
236 mm |
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Weight |
1.8 kg |
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Performance |
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Sustained transfer rate (native) |
33 Mbytes/min |
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Sustained transfer rate (compressed) |
66 Mbytes/min |
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Max burst transfer rate (synchronous) |
600 Mbytes/min |
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Max burst transfer rate (asynchronous) |
420 Mbytes/min |
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Max tape speed - read/write |
11.9 Inches/sec |
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Max tape speed - search/rewind |
200 Inches/sec |
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Average access time (max capacity) |
30 seconds |
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Drum rotation speed (max) |
6,000 RPM |
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Head-to-tape speed |
372 Inches/sec |
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Default buffer (cache) size |
1,000 Kbytes |
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Configuration |
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Recording format |
DDS-DC,DDS |
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Recording method |
helical scan (R-DAT) |
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Recording density |
61,000 bits/inch |
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Flux density |
76,250 flux changes/inch |
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Track density |
1,869 tracks/inch |
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Compatibility |
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Read/write compatibility |
DDS-DC, DDS |
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Electrical Requirements |
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Current usage, Standby(+5V DC) |
0.44 amps max |
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Current usage, Standby(+12V DC) |
0.28 amps max |
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Current usage, Operation(+5V DC) |
1 amps max |
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Current usage, Operation(+12V DC) |
1.8 amps max |
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Power usage, Nominal |
10 watts |
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Voltage tolerance & ripple |
10 |
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Environmental Specifications |
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shock and vibration |
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Operating shock (max) |
10 Gs (11-msec) |
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Nonoperating shock (max) |
50 Gs (11-msec) |
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Operating vibration (max) |
0.5 Gs |
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Nonoperating vibration (max) |
1.5 Gs |
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temperature and humidity |
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Operating temperature (min) |
5 deg C |
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Operating temperature (max) |
35 deg C |
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Nonoperating temperature (min) |
-40 deg C |
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Nonoperating temperature (max) |
65 deg C |
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Operating temperature change (max) |
120 deg C/hour |
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Operating relative humidity (max) |
80 % |
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Nonoperating relative humidity (max) |
90 % |
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Wet bulb temperature(max) |
26 deg C |
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altitude |
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Operating altitude (min) |
-100 m |
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Operating altitude (max) |
4,575 m |
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Nonperating altitude (min) |
-300 m |
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Nonperating altitude (max) |
15,200 m |
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acoustics |
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Operating acoustics (max) |
50 dBA |
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Idling acoustics (max) |
45 dBA |
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Reliability |
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MTBF (20% duty) |
150,000 hours |
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Error rate |
< 1 per 1015 errors/bits read |
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Warranty period |
3 year(s) |
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Supports read-while-write |
Yes |
