| Western Digital Caviar SATA 3.5" Internal Hard Drive Technology Table |
| Hard Drive Technology |
Hard Drive Technology Description |
WD Hard Drive Series |
| Active Power Management |
Hard Drives With WD Greenpower Technology Monitor The Work Load And Automatically Invoke Idle Mode Whenever Possible To Further Reduce Unnesessary Power Consumption. Drive Recovery Time From Idel Mode Is Less Than One Second, Providing Seamless Power Management Between The Drive And The Host Controller. |
WD Caviar Green
WD Caviar RE4-GP |
| Advance Format |
Technology Being Adopted By Western Digital And Other Drive Manufacturers As One Of Multiple Ways To Continue Growing Hard Drive Capacities. Advance Format Is A More Efficient Media Format That Enables Increased Areal Density (Bit Density) ... [Available On RX, RS, And RSDTL Models Only]. |
WD Caviar Green
WD Caviar RE4-GP |
| Dual Actuator(TM) |
A Head Positioning System With Two Actuators That Improves Positional Accuracy Over The Data Track(s). The Primary Actuator Provides Coarse Displacement Using Conventional Electromagnetic Actuator Principles. The Secondary Actuator Uses Piezoelectric Motion To Fine Tune The Head Positioning To A Higher Degree Of Accuracy. |
WD Caviar Black |
| GreenPower(TM) |
Hard Drives That Incorporate Western Digital Greenpower Technology(TM), Yield Lower Operating Temperatures For Increased Reliability And Lower Acoustics For Ultra Quiet PC's And External Hard Drive Enclosures. |
WD Caviar Green
WD Caviar RE4-GP |
| IntelliPark(TM) |
Delivers Lower Power Consumption By Automatically Unloading Recording Heads During Idle To Reduce Aerodynamic Drag, And By Disengaging Read/Write Channel Electronics. |
WD Caviar RE4-GP |
| IntelliPower(TM) |
A Fine-Tuned Balance Of Spin Speed, Transfer Rate And Caching Algorithms Designed To Deliver Both Significant Power Savings And Solid Performance. Additionally, Hard Drives With WD GreenPower(TM) Technology Consume Less Current During Starup Allowing Lower Peak Loads On Systems As They Are Booted Up: Multiple Drives Are Able To Spin Up Simultaneously Resulting In Faster System Readiness. |
WD Caviar Green
WD Caviar RE4-GP |
| IntelliSeek(TM) |
Calculates Optimum Seek Speeds To Lower Power Consumption, Noise And Vibration. |
WD Caviar Green
WD Caviar RE4-GP |
| NoTouch(TM) Ramp Load |
The Recording Head Never Touches The Disk Media Ensuring Significantly Less Wear To The Recording Head And Media As Well As Better Drive Protection During Transit. |
WD Caviar Green
WD Caviar Black |
| RAID-Specific Time-Limit-Error Recovery(TM) (TLER) |
Pioneered By Western Digital, This Feature Prevents Drive Fallout Caused By The Extended Hard Drive Error-Recovery Process Common To Desktop Drives. |
WD Caviar RE4-GP |
| Rotary Acceleration Feed Forward(TM) (RAFF) |
Optimises Operation And Performance When The Drives Are Used In Vibration-Prone Multi-Drive Systems Such As Rack-Mounted Servers. |
WD Caviar RE4-GP |
| Stable Trac(TM) |
The Motor Shaft Is Secured At Both Ends To Reduce System-Induced Vibration And Stabilize Platters For Accurate Tracking During Read And Write Operations. |
WD Caviar Black
WD Caviar RE4-GP |
| Western Digital Caviar Black/ Green/ RE4-GP Enterprise Series SATA 3.5" Internal Hard Drive PDF Data Sheet |
WD CAVIAR BLACK
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WD CAVIAR GREEN
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WD CAVIAR RE4-GP
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