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CAPACITY AND INTERFACE
Formatted Gbytes
Interface
PERFORMANCE
Maximum Internal Transfer Rate (Mbits/sec)
Maximum External Transfer Rate (Mbytes/sec)
Average Sustained Transfer Rate (Mbytes/sec)
Multisegmented Cache (Mbytes)
Average Seek (msec)
Average Latency (msec)
Spindle Speed (RPM)
CONFIGURATION/ORGANIZATION
Discs/Heads
Bytes per Sector
Logical CHS
Recording Method
RELIABILITY/DATA INTEGRITY
Contact Start-Stops
SeaShield
S.M.A.R.T. Capable
Nonrecoverable Read Errors per Bits Read
Limited Warranty (years)
POWER REQUIREMENTS
+12 VDC ± 10% (amps max)
+5 VDC ± 5% (amps max)
Power Management (watts) Seek
Read/Write
Idle
Standby
ENVIRONMENTAL
Operating Temperature (°C)
Nonoperating Temperature (°C)
Operating Shock @ 2 msec (Gs)
Nonoperating Shock @ 2 msec (Gs)
Acoustics
Idle (Bels—sound power)
Quiet Seek (Bels—sound power)
Performance Seek (Bels—sound power)
PHYSICAL
Height (in/mm)
Width (in/mm)
Depth (in/mm)
Weight (lb/g)
Capacity calculated as 1 Gbyte = 109bytes
ST310211A
U Series 5 Family
ST320413AST315311A
U Series 5 Family
U Series 5 Family
3.5
INCH DISC DRIVE
10
Ultra ATA
330
100
>14.5
1
8.9
5.6
5,400
1/1
512
16,383/16/63
EPRML (16/17)
50,000
Yes
Yes
1 per 10
13
3
1.0
0.5
7.0
6.5
3.5
1.5
0 to 60
–40 to 70
63
350
2.9
3.1
3.3
1/26.1
4/102.0
5.75/147.0
1.2/544
15
Ultra ATA
330
100
>14.5
1
8.9
5.6
5,400
1/2
512
16,383/16/63
EPRML (16/17)
50,000
Yes
Yes
1 per 10
13
3
1.0
0.5
7.0
6.5
3.5
1.5
0 to 60
–40 to 70
63
350
2.9
3.1
3.3
1/26.1
4/102.0
5.75/147.0
1.2/544
20
Ultra ATA
330
100
>14.5
1
8.9
5.6
5,400
1/2
512
16,383/16/63
EPRML (16/17)
50,000
Yes
Yes
1 per 10
13
3
1.0
0.5
7.0
6.5
3.5
1.5
0 to 60
–40 to 70
63
350
2.9
3.1
3.3
1/26.1
4/102.0
5.75/147.0
1.2/544
ST340823AST330621A
U Series 5 Family
U Series 5 Family
30
Ultra ATA
330
100
>14.5
1
8.9
5.6
5,400
2/3
512
16,383/16/63
EPRML (16/17)
50,000
Yes
Yes
1 per 10
13
3
1.0
0.5
7.0
6.5
3.5
1.5
0 to 60
–40 to 70
63
350
3.0
3.2
3.4
1/26.1
4/102.0
5.75/147.0
1.2/544
40
Ultra ATA
330
100
>14.5
1
8.9
5.6
5,400
2/4
512
16,383/16/63
EPRML (16/17)
50,000
Yes
Yes
1 per 10
13
3
1.0
0.5
7.0
6.5
3.5
1.5
0 to 60
–40 to 70
63
350
3.0
3.2
3.4
1/26.1
4/102.0
5.75/147.0
1.2/544
> BEST-IN-CLASS COMBINATION OF RUGGEDNESS, PERFORMANCE,
QUIET OPERATION
> 3D DEFENSE SYSTEM PROVIDES COMPREHENSIVE PROTECTION
AGAINST DATA LOSS
> SOFT SEASHIELD®, SEASHELL®PACKAGING PROTECTS
AGAINST ESD, HANDLING DAMAGE
www.seagate.com