Name: HGST HUS724040ALS640
Brand: HGST
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HGST Ultrastar 7K4000 (SAS) Hard Disk Drive Specification

Ultrastar 7K4000

3.5" SAS 6Gb Hard Disk Drive

Models: HUS724040ALS640

HUS724040ALS641

HUS724030ALS640

HUS724030ALS641

HUS724020ALS640

HUS724020ALS641

Version: 1.8

April 14, 2016

Warning: Printed copies of this document are considered current only on the date of print. Replacement and disposal

of down-level versions is the responsibility of the document holder.

Default Chapter3
- Table of Contents3
1 General17
- Introduction17
- Table 1.Product ID Table17
- Glossary18
- Caution18
- References18
2 Outline of the Drive19
3 Fixed-Disk Subsystem Description21
- Control Electronics21
- Head Disk Assembly21
- Actuator21
4 Drive Characteristics23
- Formatted Capacity23
- Data Sheet23
- Table 2.Formatted Capacity23
- Table 3.Data Sheet23
- Inquiry Information24
- Performance Characteristics25
5 Data Integrity29
- Equipment Status29
- Error Recovery Procedure29
6 Physical Format31
- Shipped Format (P-List)31
- Reassigned Format (G-List)31
7 Electrical Interface33
- SAS Connector33
8 Environment35
- Temperature and Humidity35
- Table 12.Operating and Non-Operating Conditions35
- Storage Requirements36
  - Packaging36
  - Storage Time36
- Corrosion Test36
- Cooling Requirements36
- Table 13.Maximum Allowable Surface Temperatures37
600 DC Power Requirements39
- Power Supply Current, Average and Peak39
- Table 14.Input Voltage and Capacitance39
- Ripple Voltage41
- Table 15.Power Supply Generated Ripple at Drive Power Connector41
- Power Consumption Efficiency Index42
- Table 16.Power Consumption Efficiency Index42
10 Reliability43
- Start/Stop Cycles43
- Load/Unload Cycles43
- Data Reliability43
- Seek Errors43
- Failure Prediction (S.M.A.R.T)43
- MTBF (Mean Time between Failure): 2.0 M Hours44
- Preventive Maintenance44
- Temperature Warning44
11 Mechanical Specifications45
- Outline45
- Mechanical Dimensions46
- Table 17.Physical Dimensions47
- Interface Connector48
- Mounting Positions and Tappings48
- Drive Mounting49
- Heads Unload and Actuator Lock49
12 Vibration and Shock51
- Operating Vibration51
- Nonoperating Vibration52
  - Random Vibration52
  - Swept Sine Vibration52
- Operating Shock52
- Nonoperating Shock52
- Nonoperating Rotational Shock53
- Table 21. Sinusoidal Shock Wave53
- Table 22. Sinusoidal Shock Wave53
13 Acoustics55
- Table 23.Sound Power Levels55
14 Identification57
- Labels57
15 Electromagnetic Compatibility59
- Class B Regulatory Notices59
16 Safety Standards61
- UL and C-UL Standard Conformity61
- European Standards Compliance61
- German Safety Mark61
- Flammability61
- Corporate Standards Compliance61
17 SAS Attachment63
- General63
- SAS Features63
- SAS Names and Identifiers64
- Table 24.Names and Identifiers64
- Spin up65
- Table 25.IEEE Registered Name Format65
- PHY Layer66
- Link Layer69
- Transport Layer74
18 SCSI Command Set83
- Table 40.SCSI Commands Supported83
19 SCSI Status Byte293
- Table 230.SCSI Status Byte. Format of the SCSI STATUS Byte293
20 Additional Information295
- SCSI Protocol295
- Priority Commands307
- Command Queuing308
- Command Reordering308
- Concurrent I/O Process308
- Write Cache308
- Automatic Rewrite/Reallocate309
- Table 237.Sense Data Combinations with Auto/Recommend Rewrite/Reallocate310
- Segmented Caching311
  - Overview311
  - Read Ahead311
- Multiple Initiator Systems311
  - Sense Data311
  - Mode311
- Multiple Initiator Environment311
  - Initiator Sense Data311
  - Initiator Mode Select/Mode Sense Parameters311
- Reset312
  - Reset Sources312
  - Reset Actions312
- Diagnostics312
- Idle Time Function316
- Command Time out Limits316
- Recommended Initiator ERP318
21 Tcg Ssc329
- Referenced Specifications and Standards329
- Implementation Exceptions330
- Implementation Features and Details Outside of TCG Specifications330
- Encryption Algorithms331
- TCG SSC Tables332
- Firmware Download and Signing335
- Ports335
- Table 247.Ports Functionality336
- Table 248.Ports Table336
- Table 249.Modified Admin SP ACE Table336
- Table 250.Modified Admin SP Accesscontrol Table337
- Msid338
- Logging338
- Number of Sessions338
- Number of Bands338
- Number of Comids338
- Locked and Unlocked Behavior338
- Error Codes342
- Customer Specific Requirements342
22 SCSI Sense Data343
- SCSI Sense Data Format Introduction343
- Fixed Format Sense Data344
- Descriptor Format Sense Data385
23 Appendix. UEC List391
- Table 269.Unit Error Codes391

HGST HUS724040ALS640 User Manual

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HGST HUS724040ALS640 Specifications

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Brand	HGST
Model	HUS724040ALS640
Category	Storage
Language	English