Seagate ST32000641AS Barracuda XT Series SATA Product Manual - Page 9

Barracuda XT Series SATA Product Manual, Rev. C

3

2.0

Drive specifications

Unless otherwise noted, all specifications are measured under ambient conditions, at 25°C, and nominal power. For con-

venience, the phrases

the drive

and

this drive

are used throughout this manual to indicate the following drive models:

The specification summaries listed in the following tables are for quick reference. For details on specification measure-

ment or definition, see the appropriate section of this manual.

Table 1:

Drive specifications summary

for 2000GB models

ST32000641AS

Drive specification

ST32000641AS

Formatted capacity (512 bytes/sector)*

2000GB

Guaranteed sectors

3,907,029,168

Heads

8

Disks

4

Bytes per sector

512

Default sectors per track

63

Default read/write heads

16

Default cylinders

16,383

Recording density

1421 kb/in

Track density(avg)

240 ktracks/in

Areal density (avg)

347Gb/in

2

Spindle speed

7200 RPM

Internal data transfer rate (max)

1300Mb/s

Sustained data transfer rate OD(max)

138MB/s

I/O data-transfer rate (max)

600MB/s

ATA data-transfer modes supported

PIO modes: 0 to 4

Multiword DMA modes: 0 to 2

Ultra DMA modes 0 to 6

Cache buffer

64MB

Height (max)

26.1mm / 1.028 in

Width (max)

101.85mm / 4.010 in

Length (max)

146.99mm / 5.787 in

Weight (typical)

700g / 1.543 lb

Average latency

4.16ms

Power-on to ready (typical)

15s

Standby to ready (typical)

15s

Startup current (typical) 12V (peak)

2.8A

Section	Page
1.0 Introduction	7
1.1 About the Serial ATA interface	8
2.0 Drive specifications	9
2.1 Formatted capacity	11
2.1.1 LBA mode	11
2.2 Default logical geometry	11
2.3 Recording and interface technology	11
2.4 Physical characteristics	12
2.5 Start/stop times	12
2.6 Power specifications	13
2.6.1 Power consumption	13
2.6.1.1 Typical current profiles	14
2.6.2 Conducted noise	15
2.6.3 Voltage tolerance	15
2.6.4 Power management modes	15
2.7 Environmental specifications	16
2.7.1 Ambient temperature	16
2.7.2 Temperature gradient	16
2.7.3 Humidity	16
2.7.3.1 Relative humidity	16
2.7.3.2 Wet bulb temperature	16
2.7.4 Altitude	16
2.7.5 Shock	17
2.7.5.1 Operating shock	17
2.7.5.2 Nonoperating shock	17
2.7.6 Vibration	17
2.7.6.1 Operating vibration	17
2.7.6.2 Nonoperating vibration	17
2.8 Acoustics	18
2.8.1 Test for Prominent Discrete Tones (PDTs)	18
2.9 Electromagnetic immunity	18
2.10 Warranty	19
2.11 Agency certification	19
2.11.1 Safety certification	19
2.11.2 Electromagnetic Compatibility (EMC)	19
2.11.3 FCC verification	20
2.12 Environmental protection	21
2.12.1 European Union Restriction of Hazardous Substances (RoHS) Directive	21
2.12.2 China Restriction of Hazardous Substances (RoHS) Directive	21
2.13 Corrosive environment	21
3.0 Configuring and mounting the drive	22
3.1 Handling and static-discharge precautions	22
3.2 Configuring the drive	23
3.3 Serial ATA cables and connectors	23
3.4 Drive mounting	24
4.0 Serial ATA (SATA) interface	25
4.1 Hot-Plug compatibility	25
4.2 Serial ATA device plug connector pin definitions	26
4.3 Supported ATA commands	27
4.3.1 Identify Device command	29
4.3.2 Set Features command	33
4.3.3 S.M.A.R.T. commands	34
5.0 Seagate Technology support services	35
Index	37
A	37
B	37
C	37
D	37
E	37
F	37
G	37
H	37
I	37
K	38
L	38
M	38
N	38
O	38
P	38
Q	38
R	38
S	38
T	39
U	39
V	39

Seagate ST32000641AS Barracuda XT Series SATA Product Manual - Page 9

Drive specifications - indicator

Page 9 highlights