HGST HUS724040ALS640 User Manual

HGST Ultrastar 7K4000 (SAS) Hard Disk Drive Specification
10.1 Start/Stop Cycles......................................................................................................27
10.2 Load/Unload Cycles ................................................................................................27
10.3 Data Reliability........................................................................................................27
10.4 Seek errors ...............................................................................................................27
10.5 Failure prediction (S.M.A.R.T) ...............................................................................27
10.6 MTBF (Mean Time Between Failure): 2.0 M hours. ...........................................28
10.7 Preventive Maintenance...........................................................................................28
10.8 Temperature Warning..............................................................................................28
11.0 Mechanical Specifications...........................................................................................29
11.1 Outline .....................................................................................................................29
11.2 Mechanical Dimensions...........................................................................................30
11.3 Interface Connector..................................................................................................32
11.4 Mounting Positions and Tappings ...........................................................................32
11.5 Drive Mounting........................................................................................................33
11.6 Heads Unload and Actuator Lock............................................................................33
12.0 Vibration and Shock....................................................................................................35
12.1 Operating vibration..................................................................................................35
12.1.1 Random vibration (Linear) .............................................................................35
12.1.2 Swept sine vibration (Linear) .........................................................................35
12.1.3 Random vibration (Rotational).......................................................................35
12.2 Nonoperating vibration............................................................................................36
12.2.1 Random vibration ...........................................................................................36
12.2.2 Swept sine vibration........................................................................................36
12.3 Operating shock.......................................................................................................36
12.4 Nonoperating shock.................................................................................................36
12.4.1 Trapezoidal shock wave..................................................................................36
12.4.2 Sinusoidal shock wave....................................................................................37
12.5 Nonoperating Rotational shock ...............................................................................37
13.0 Acoustics .......................................................................................................................39
14.0 Identification ................................................................................................................41
14.1 Labels.......................................................................................................................41
15.0 Electromagnetic Compatibility...................................................................................43
15.1 Class B Regulatory Notices.....................................................................................43
16.0 Safety Standards ..........................................................................................................45
16.1 UL and C-UL Standard Conformity........................................................................45
16.2 European Standards Compliance.............................................................................45
16.3 German Safety Mark................................................................................................45
16.4 Flammability............................................................................................................45
16.5 Corporate Standards Compliance ............................................................................45
17.0 SAS Attachment...........................................................................................................47
17.1 General.....................................................................................................................47
17.2 SAS Features............................................................................................................47
17.3 SAS Names and Identifiers......................................................................................48
17.4 Spin up.....................................................................................................................49
17.5 PHY Layer...............................................................................................................50
17.5.1 Link Reset Sequence.......................................................................................50

HGST HUS724040ALS640 Specifications

General

Brand	HGST
Model	HUS724040ALS640
Category	Storage
Language	English