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Seagate STM380215AS DiamondMax 21 SATA Product Manual - Page 24

Physical characteristics

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2.5 Physical characteristics Maximum height STM3500630AS, STM3320620AS, STM3320820AS, STM3250824AS and STM3250820AS STM3250310AS, STM3160815AS, STM3160215AS, STM380815AS, STM380215AS and STM340215AS Maximum width Maximum length Typical weight STM3500630AS, STM3320620AS and STM3320820AS STM3250820AS STM3250824AS STM3250310AS STM3160815AS and STM3160215AS STM380815AS, STM380215AS and STM340215AS Cache buffer STM3500630AS and STM3320620AS STM3320820AS, STM3250824AS, STM3250820AS, STM3250310AS, STM3160815AS and STM380815AS STM3160215AS, STM380215AS and STM340215AS 26.1 mm (1.028 inches) 19.99 mm (0.787 inches) 101.6 mm (4.000 +/- 0.010 inches) 146.99 mm (5.787 inches) 635 grams (1.4 lbs) 600 grams (1.32 lbs) 580 grams (1.28 lb.) 368 grams (0.811 lbs) 380 grams (0.838 lbs) 365 grams (0.805 lbs) 16 Mbytes (16,384 kbytes) 8 Mbytes (8,192 kbytes) 2 Mbytes (2,048 kbytes) 18 DiamondMax 21 Serial ATA Product Manual, Rev. C

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	22
2.2.1 LBA mode	22
2.3 Default logical geometry	22
2.4 Recording and interface technology	23
2.5 Physical characteristics	24
2.6 Seek time	25
2.7 Start/stop times	25
2.8 Power specifications	25
2.8.1 Power consumption	26
2.8.1.1 Typical current profiles	27
2.8.2 Conducted noise	27
2.8.3 Voltage tolerance	27
2.8.4 Power-management modes	28
2.9 Environmental specifications	29
2.9.1 Ambient temperature	29
2.9.2 Temperature gradient	29
2.9.3 Humidity	29
2.9.3.1 Relative humidity	29
2.9.3.2 Wet bulb temperature	29
2.9.4 Altitude	29
2.9.5 Shock	29
2.9.5.1 Operating shock	29
2.9.5.2 Nonoperating shock	30
2.9.6 Vibration	30
2.9.6.1 Operating vibration	30
2.9.6.2 Nonoperating vibration	30
2.10 Acoustics	31
2.11 Electromagnetic immunity	31
2.12 Reliability	32
2.12.1 Annualized Failure Rate (AFR) and Mean Time Between Failures (MTBF)	32
2.13 Agency certification	32
2.13.1 Safety certification	32
2.13.2 Electromagnetic compatibility	32
2.13.3 FCC verification	33
2.14 Environmental protection	34
2.14.1 European Union Restriction of Hazardous Substances (RoHS) Directive	34
2.14.2 China Restriction of Hazardous Substances (RoHS) Directive	34
2.15 Corrosive environment	34
3.0 Configuring and mounting the drive	35
3.1 Handling and static-discharge precautions	35
3.2 Configuring the drive	36
3.3 Serial ATA cables and connectors	36
3.4 Drive mounting	37
4.0 Serial ATA (SATA) interface	39
4.1 Hot-Plug compatibility	39
4.2 Serial ATA device plug connector pin definitions	40
4.3 Supported ATA commands	41
4.3.1 Identify Device command	43
4.3.2 Set Features command	47
4.3.3 S.M.A.R.T. commands	48
5.0 Maxtor support services	49
Index	51
A	51
B	51
C	51
D	51
E	51
F	51
G	51
H	51
I	52
K	52
L	52
M	52
N	52
O	52
P	52
Q	52
R	52
S	53
T	53
U	53
V	53