HGST Ultrastar 7K2 User Manual

Ultrastar 7K2
HGST Hard Disk Drive
Technical Reference Manual
4
T ABLE OF C ONTENTS
1.0 DESCRIPTION AND FEATURES ...................................................................................................................................... 7
1.1 General Description .......................................................................................................... 7
1.2 Product Features ............................................................................................................... 7
2.0 SPECIFICATION .................................................................................................................................................................... 9
2.1 Performance Specifications ............................................................................................... 9
2.2 CacheFlow™ .................................................................................................................... 10
Write Cache .............................................................................................................. 10
Read Cache .............................................................................................................. 10
2.3 Mechanical Specifications ............................................................................................... 11
Physical Dimensions ................................................................................................. 12
Drive Mounting ........................................................................................................ 12
2.4 Electrical Specifications ................................................................................................... 13
Mean Current Requirements and Power Dissipation .................................................. 13
Power Savings Modes ............................................................................................... 13
Input Voltage Requirements ..................................................................................... 15
Ripple ...................................................................................................................... 15
Power Connectors and Cables ................................................................................... 15
2.5 Environmental Specifications .......................................................................................... 16
Shock and Vibration ................................................................................................. 16
Temperature and Humidity ....................................................................................... 17
Temperature Measurement ....................................................................................... 17
Cooling .................................................................................................................... 18
Atmospheric Pressure ............................................................................................... 18
Acoustics ................................................................................................................. 18
RoHS (Restriction of Hazardous Substances) ............................................................. 18
2.6 Agency Approvals ........................................................................................................... 19
2.7 Full Model Number Specification ..................................................................................... 19
3.0 PRODUCT FEATURES ..................................................................................................................................................... 20
3.1 SATA 6 Gb/s ................................................................................................................... 21
3.2 Time-Limited Error Recovery (TLER) ................................................................................. 21
3.3 Rotary Acceleration Feed Forward (RAFF)™....................................................................... 22
3.4 Perpendicular Magnetic Recording (PMR) ......................................................................... 23
3.5 IntelliSeek ....................................................................................................................... 23
3.6 Native Command Queuing (NCQ) .................................................................................... 23
3.7 Pre-emptive Wear Leveling (PWL) ..................................................................................... 23
3.8 MicroFemto Slider ........................................................................................................... 23
3.9 S.M.A.R.T. Command Transport (SCT) .............................................................................. 24
Write Same ............................................................................................................... 24
Temperature Reporting ............................................................................................ 24
3.10 World Wide Name (WWN) ................................................................................................. 24
3.11 Power Loss Data Protection ............................................................................................. 24
3.12 Hot Plug Support ............................................................................................................ 25
3.13 Active LED Status ............................................................................................................ 25
3.14 Fluid Dynamic Bearings (FDB) .......................................................................................... 25
3.15 Staggered Spinup and Activity Indication (SATA Power Pin
11) ............................................... 25
Staggered Spinup ..................................................................................................... 25
Activity Indication ..................................................................................................... 25
3.16 48-bit Logical Block Addressing (LBA) .............................................................................. 26
3.17 Self-Monitoring, Analysis, and Reporting Technology (S.M.A.R.T.) ........................................ 26
3.18 Password Security Mode .................................................................................................. 27
Master and User Passwords ...................................................................................... 27
Security Levels .......................................................................................................... 27
3.19 Data Path Protection (DPP)............................................................................................... 27
3.20 Manufacturing Option Block ............................................................................................ 27

HGST Ultrastar 7K2 Specifications

General

Brand	HGST
Model	Ultrastar 7K2
Category	Storage
Language	English