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Seagate ST3500630NS Product Manual - Page 9

Drive specifications - barracuda es

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2.0 Drive specifications Unless otherwise noted, all specifications are measured under ambient conditions, at 25°C, and nominal power. For convenience, the phrases the drive and this drive are used throughout this manual to indicate the following drive models: ST3750640NS ST3750840NS ST3500630NS ST3500830NS ST3400620NS ST3400820NS ST3320620NS ST3320820NS ST3250620NS ST3250820NS 2.1 Specification summary tables The specifications listed in the following tables are for quick reference. For details on specification measurement or definition, see the appropriate section of this manual. Barracuda ES Serial ATA Product Manual, Rev. B 3

Section	Page
1.0 Introduction	7
1.1 About the Serial ATA interface	8
2.0 Drive specifications	9
2.1 Specification summary tables	9
2.2 Formatted capacity	20
2.2.1 LBA mode	20
2.3 Default logical geometry	20
2.4 Recording and interface technology	21
2.5 Physical characteristics	21
2.6 Seek time	22
2.7 Start/stop times	22
2.8 Power specifications	22
2.8.1 Power consumption	22
2.8.1.1 Typical current profiles	23
2.8.2 Conducted noise	24
2.8.3 Voltage tolerance	24
2.8.4 Power-management modes	24
2.9 Environmental specifications	26
2.9.1 Ambient temperature	26
2.9.2 Temperature gradient	26
2.9.3 Humidity	26
2.9.3.1 Relative humidity	26
2.9.3.2 Wet bulb temperature	26
2.9.4 Altitude	26
2.9.5 Shock	26
2.9.5.1 Operating shock	26
2.9.5.2 Nonoperating shock	26
2.9.6 Vibration	27
2.9.6.1 Operating vibration	27
2.9.6.2 Nonoperating vibration	27
2.10 Acoustics	28
2.11 Electromagnetic immunity	28
2.12 Reliability	29
2.12.1 Annualized Failure Rate (AFR) and Mean Time Between Failures (MTBF)	29
2.13 Agency certification	29
2.13.1 Safety certification	29
2.13.2 Electromagnetic compatibility	29
2.13.3 FCC verification	30
2.14 Environmental protection	30
2.14.1 European Union Restriction of Hazardous Substances (RoHS)	31
2.15 Corrosive environment	31
3.0 Configuring and mounting the drive	33
3.1 Handling and static-discharge precautions	33
3.2 Configuring the drive	34
3.3 Serial ATA cables and connectors	34
3.4 Drive mounting	35
4.0 Serial ATA (SATA) interface	37
4.1 Hot-Plug compatibility	37
4.2 Serial ATA device plug connector pin definitions	38
4.3 Supported ATA commands	39
4.3.1 Identify Device command	41
4.3.2 Set Features command	45
4.3.3 S.M.A.R.T. commands	46
5.0 Seagate Technology support services	47
Index	53
A	53
B	53
C	53
D	53
E	53
F	53
G	53
H	53
I	53
K	54
L	54
M	54
N	54
O	54
P	54
Q	54
R	54
S	54
T	55
U	55
V	55