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The Scorpion 40 DDS-4 DAT is the most reliable DDS drive with an MTBF rating
of 483,000 hours at 12% duty cycle. The Scorpion 40 stores up to 40GB (2:1
compression) of data per cartridge. With its Ultra2 SCSI LVD interface, the
Scorpion 40 tranfers data at speeds up to 5.5 MB per second or 19.8 GB per
hour greatly decreasing the time needed to back up your data. |
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Features |
Benefits |
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| Up
to 40 GB capacity per cartridge |
Superior
backup capabilities for workstations and servers. |
|
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| 330
Megabytes/minute backup rate |
Faster
system backup |
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| LVD
(low voltage differential) |
Supports
15 devices up to a total cable length of 20 meters |
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|
| Environmentally
Sealed Head-to-Tape Interface Chamber |
Increases
reliability by decreasing the volume of contaminants. |
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| Sapphire
Media Cleaning Blade |
Decreases
media based contaminants. |
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| Automated
head and capstan cleaning |
Increases
reliability |
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| Diagnostic
utility |
Proper
installation/operation confirmation |
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| Works
with leading backup software |
Choice
of the best software for your application |
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| Seagate's
REACT program |
Rapid
Replacement Program |
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|
| 5.25-inch
half-height drive, adaptable to 3.5-inch drive bay |
Maximum
installation flexibility |
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Distinctions |
- Highest reliability and MTBF
- Diagnostic Utility
- Flexible form factor
- Innovative environmentally sealed head-tape interface chamber
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The Seagate Advantage |
- Most reliable DDS tape drive ever. 20% higher MTBF compared with HP
C5687 and Sony SDT 10000.
- 15% higher backup speed compared to the Sony SDT 10000
- 10-Mbyte buffer is 20% larger than HP C5687 and Sony SDT 10000
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|
Capacity and Interface |
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|
Compressed (Gbytes) |
4 |
8 |
24 |
40 |
|
Native (Gbytes) |
2 |
4 |
12 |
20 |
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Interface |
SCSI-2
|
SCSI-2
|
SCSI-2
|
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 |
|
Tape Speed (in/sec, mm/sec) |
11.9 |
11.9 |
11.9 |
20.4 |
|
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) |
|
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(12% duty cycle) |
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Internal(hours) |
265000 |
150000 |
265000 |
483000 |
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External(hours) |
|
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 |
|
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) |
|
120 |
120 |
120 |
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DDS-3 (meters) |
|
|
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 |
|
+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) |
|
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 |
/ |
/ |
|
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 |
|
|
|
Media type |
DDS-4 |
|
Model name |
Scorpion 40 |
|
Model number |
STD2401LW-S |
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Interface type |
Ultra2 SCSI |
|
Native Capacity (max) |
20 |
|
Compressed (2:1) capacity (max) |
40 |
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Physical Specifications |
|
|
|
Form factor (width) |
5.25-inch |
|
Form factor (height) |
half-height |
|
Height |
41.2 mm |
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Width |
146 mm |
|
Length |
175 mm |
|
Weight |
1.1 kg |
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Performance |
|
|
|
Sustained transfer rate (native) |
165 Mbytes/min |
|
Sustained transfer rate (compressed) |
330 Mbytes/min |
|
Max burst transfer rate (synchronous) |
4,800 Mbytes/min |
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Max burst transfer rate (asynchronous) |
600 Mbytes/min |
|
Max tape speed - read/write |
20.4 Inches/sec |
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Max tape speed - search/rewind |
400 Inches/sec |
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Average access time (max capacity) |
45 seconds |
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Drum rotation speed (max) |
10,000 RPM |
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Default buffer (cache) size |
10,000 Kbytes |
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Configuration |
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Recording format |
DDS-4 |
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Recording method |
Helical Scan (R-DAT) DDS-4 |
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Compatibility |
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Read/write compatibility |
DDS-4, DDS-3, DDS-2 DDS-DC, DDS |
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Media compatibility |
DDS-4, DDS-3, DDS-2, DDS-DC, DDS (90 meter tape) |
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Electrical Requirements |
|
|
|
Current usage, Standby(+5V DC) |
1.2 amps max |
|
Current usage, Standby(+12V DC) |
0.015 amps max |
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Current usage, Operation(+5V DC) |
1.35 amps max |
|
Current usage, Operation(+12V DC) |
0.25 amps max |
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Power usage, Nominal |
9 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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temperature and humidity |
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Operating temperature (min) |
5 deg C |
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Operating temperature (max) |
45 deg C |
|
Nonoperating temperature (min) |
-40 deg C |
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Nonoperating temperature (max) |
65 deg C |
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Operating relative humidity (max) |
80 % |
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Nonoperating relative humidity (max) |
90 % |
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altitude |
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|
acoustics |
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Reliability |
|
|
|
MTBF (12% duty) |
483,000 hours |
|
Error rate |
< 1 per 1015 errors/bits read |
|
Warranty period |
3 year(s) |
|
Supports read-while-write |
Yes |
