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Seagate ST2000VX000 SV35.5 Series SATA Product Manual - Page 15

Physical characteristics, Seek time, Start/stop times - benchmark

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2.5 Physical characteristics Maximum height Maximum width Maximum length Typical weight Cache buffer 1 TB model 26.1 mm (1.028 inches) 101.85 mm (4.010 inches) 146.99 mm (5.787 inches) 677 grams (1.493 lb.) 16 Mbytes (16,384 kbytes) 500 GB model 544 grams (1.199 lb.) 250 GB model 20.20 mm (0.794 inches) 380 grams (0.838 lb.) 8 Mbytes (8,192 kbytes) 2.6 Seek time Seek measurements are taken with nominal power at 25°C ambient temperature. All times are measured using drive diagnostics. The specifications in the table below are defined as follows: • Track-to-track seek time is an average of all possible single-track seeks in both directions. • Average seek time is a true statistical random average of at least 5,000 measurements of seeks between random tracks, less overhead. Typical seek times (msec)* Track-to-track Average 1 TB and 500GB model Read Write

Section	Page
1.0 Introduction 1	3
1.1 About the Serial ATA interface 2	3
2.0 Drive specifications 3	3
2.1 Specification summary tables 3	3
2.2 Formatted capacity 8	3
2.2.1 LBA mode 8	3
2.3 Default logical geometry 8	3
2.4 Recording and interface technology 8	3
2.5 Physical characteristics 9	3
2.6 Seek time 9	3
2.7 Start/stop times 9	3
2.8 Power specifications 10	3
2.8.1 Power consumption 10	3
2.8.2 DC power requirements 10	3
2.8.3 Conducted noise 10	3
2.8.4 Power-management modes 11	3
2.9 Environmental specifications 12	3
2.9.1 Drive case temperature 12	3
2.9.2 Temperature gradient 12	3
2.9.3 Humidity 12	3
2.9.4 Altitude 12	3
2.9.5 Shock 13	3
2.9.6 Vibration 13	3
2.10 Acoustics emissions 14	3
2.11 Electromagnetic immunity 14	3
2.12 Reliability 15	3
2.12.1 Annualized Failure Rate (AFR) and Mean Time Between Failures (MTBF) 15	3
2.13 Agency certification 15	3
2.13.1 Safety certification 15	3
2.13.2 Electromagnetic compatibility 15	3
2.13.3 FCC verification 16	3
2.14 Environmental protection 17	3
2.14.1 European Union Restriction of Hazardous Substances (RoHS) Directive 17	3
2.14.2 China Restriction of Hazardous Substances (RoHS) Directive 17	3
2.15 Corrosive environment 17	3
3.0 Configuring and mounting the drive 19	3
3.1 Handling and static-discharge precautions 19	3
3.2 Configuring the drive 20	3
3.3 Serial ATA cables and connectors 20	3
3.4 Drive mounting 21	3
4.0 Serial ATA (SATA) interface 23	3
4.1 Hot-Plug compatibility 23	3
4.2 Serial ATA device plug connector pin definitions 24	3
4.3 Supported ATA commands 25	3
4.3.1 Identify Device command 27	3
4.3.2 Set Features command 31	3
4.3.3 S.M.A.R.T. commands 32	3
5.0 Seagate Technology support services 33	3
Figure 1. Attaching SATA cabling 20	5
Figure 2. Mounting dimensions 21	5
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	14
2.2.1 LBA mode	14
2.3 Default logical geometry	14
2.4 Recording and interface technology	14
2.5 Physical characteristics	15
2.6 Seek time	15
2.7 Start/stop times	15
2.8 Power specifications	16
2.8.1 Power consumption	16
2.8.2 DC power requirements	16
2.8.3 Conducted noise	16
2.8.4 Power-management modes	17
2.9 Environmental specifications	18
2.9.1 Drive case temperature	18
2.9.2 Temperature gradient	18
2.9.3 Humidity	18
2.9.3.1 Relative humidity	18
2.9.3.2 Wet bulb temperature	18
2.9.4 Altitude	18
2.9.5 Shock	19
2.9.5.1 Operating shock	19
2.9.5.2 Nonoperating shock	19
2.9.6 Vibration	19
2.9.6.1 Operating vibration	19
2.9.6.2 Nonoperating vibration	19
2.10 Acoustics emissions	20
2.11 Electromagnetic immunity	20
2.12 Reliability	21
2.12.1 Annualized Failure Rate (AFR) and Mean Time Between Failures (MTBF)	21
2.13 Agency certification	21
2.13.1 Safety certification	21
2.13.2 Electromagnetic compatibility	21
2.13.3 FCC verification	22
2.14 Environmental protection	23
2.14.1 European Union Restriction of Hazardous Substances (RoHS) Directive	23
2.14.2 China Restriction of Hazardous Substances (RoHS) Directive	23
2.15 Corrosive environment	23
3.0 Configuring and mounting the drive	25
3.1 Handling and static-discharge precautions	25
3.2 Configuring the drive	26
3.3 Serial ATA cables and connectors	26
3.4 Drive mounting	27
4.0 Serial ATA (SATA) interface	29
4.1 Hot-Plug compatibility	29
4.2 Serial ATA device plug connector pin definitions	30
4.3 Supported ATA commands	31
4.3.1 Identify Device command	33
4.3.2 Set Features command	37
4.3.3 S.M.A.R.T. commands	38
5.0 Seagate Technology support services	39
Index	41
A	41
B	41
C	41
D	41
E	41
F	41
G	41
H	41
I	41
K	42
L	42
M	42
N	42
O	42
P	42
Q	42
R	42
S	42
T	43
U	43
V	43