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Capacity: 45 GB
Speed: 5400 rpm
Seek time: 8.9 ms avg

Award-winning WD Caviar 5400 RPM EIDE hard drives provide performance, reliability and value for mainstream and high-performance desktop systems. The latest WD Caviar drives achieve leading a real densities and a wide range of drive capacities perfect for storing Internet downloads, digital pictures and music files. The drives also feature Data Lifeguard for the highest level of data protection available on a hard drive today. Data Lifeguard includes embedded features that proactively guard your data and software tools that make installation, configuration and diagnostics simple and worry-free. Features like ATA/66/100, 5400RPM spindle speed and up to 100 MB/s data transfer rate, make WD Caviar 5400 RPM drives the best combination of performance and value for entry-level to mainstream PCs.
    
Recommended Parameters
Physical Specifications
Performance Specifications

Physical Dimensions
Electrical Specifications
Environmental Specifications
    
Recommended Setup Parameters
Cylinders* 16383
Heads 16
Sectors/Track 63
Landing Zone 16383
WPC 16383
* All EIDE drives greater than 8.4 GB use 16383 cylinders, 16 heads, and 63 SPT due to interface restrictions.  


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Physical Specifications
Formatted Capacity* 45,020 MB
Interface 40-pin EIDE
Actuator Type Rotary Voice Coil
Number of Platters 3
Data Surfaces 6
Number of Heads 6
Bytes Per Sector 512
User Sectors Per Drive 87,930,864
Servo Type Embedded
Recording Method Rate 16/17 PRML
ECC Reed Solomon
Head Park** Automatic
* Western Digital defines a megabyte (MB) as 1,000,000 bytes and a gigabyte (GB) as 1,000,000,000 bytes

** Turning the system power off causes the WD Caviar to perform an automatic head park operation..
   
  
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Performance Specifications
Average Seek (Read) 9.5 ms typical, 15 ms maximum
Average Seek (Write) 11.5 ms typical, 17 ms maximum
Track to Track Seek 2.0 ms typical, 5 ms maximum
Full Stroke Seek (Read) 19 ms typical, 24 ms maximum
Index Pulse Period 11.11 ms (nominal)
Average Latency 5.5 ms (nominal)
Rotational Speed 5400 RPM (nominal)
Controller Overhead 0.3 ms average
Transfer Rate (Buffer to Host) 66.6 MB/s (Mode 4 Ultra ATA)
33.3 MB/s (Mode 2 Ultra ATA)
16.6 MB/s (Mode 4 PIO)
16.6 MB/s (Mode 2 multi-word DMA)
Transfer Rate (Buffer to Disk) 177.54 Mbits/s minimum
300.98 Mbits/s maximum
Interleave 1:1
Buffer Size 2 MB
Error Rate (Non-Recoverable) <1 in 1014 bits read
Spindle Start Time
- From Power-on to Drive Ready*
4.5 s typical, 16 s maximum
Contact Start/Stop Cycles (CSS) 40,000 minimum
* Defined as the time from power-on to the setting of the Drive Ready and Seek Complete including calibration.
     
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Physical Dimensions
Height English:
1.028 inch

Metric:
26.1 mm

Length English:
5.787 inches

Metric:
147 mm

Width English:
4.00 inches (±0.010 inch)

Metric:
101.6 mm (±0.25 mm)

Weight English:
1.1 pounds
(±0.11 pounds)

Metric:
.500 kg (±0.050 kg)

     
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Electrical Specifications

Current Requirments and Power Dissipation

Operating Mode

RMS Current*

Power, Typical*
    12 VDC 5 VDC    
Spinup 1.8 A max 530 mA 24.3 W
Read/Write/Idle 240 mA 660 mA 6.18 W
Seek 580 mA 600 mA 9.96 W

Power Management Commands

Operating Mode

RMS Current*

Power, Typical*

    12 VDC 5 VDC    
Idle (E1H) 240 mA 660 mA 6.18 W
Standby (E0H) 30 mA 192 mA 1.32 W
Sleep (E6H) 30 mA 96 mA .84 W

Input Voltage Requirements

+5.0V (±5%) and 12.0V (±10%)

Ripple
    +12 VDC +5 VDC
Maximum
Frequency
200 mV (double amplitude)
0-20 MHz
100 mV (double amplitude)
0-20 MHz

Power Connectors and Cables

Power Connector 4-pin AMP (P/N 84069-1 or equivalent)
Mating Connector Body (AMP 1-480424-0 or equivalent)
Pins (AMP 60619-4 or equivalent)
Power Cable Wire Guage 18 AWG (or heavier)
* All values are typical (25°C, 5.0V, and 12V input) except where specified as maximum.

Note: Current measurements cut off frequency at 1 kHz.
     
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Environmental Specifications
Shock:

Half sine wave 3 ms duration, measured without shock isolataion and with non-recoverable errors.
Operating
20 G, 2 ms

Non-operating
200 G, 2 ms
Vibration Operating
5-20 Hz, 0.037 inches (double amplitude)
20-300 Hz, 0.75 G (0 to peak)

Non-operating
5-20 Hz, 0.195 inches (double amplitude)
20-500 Hz, 4.0 G (0 to peak)

Sweep Rate
One-octave/minute minimum

Drive Generated Vibration

Operating:
.10G maximum with the drive in an
unconstrained condition

Rotational Shock Amplitude
20K rad/sec2

Duration
2 ms

Operating Temperature and Humidity

Temperature
5º C to 55º C (41ºF to 131ºF)
5º C to 65º C (case temp.)


Humidity
5-85% RH non-condensing

33°C (maximum wet bulb)

Thermal Gradient
20°C/hour (maximum)

Humidity Gradient
20%/hour (maximum)

Non-Operating Temperature
and Humidity

Temperature
-40º C to 60º C (-40ºF to 140ºF)


Humidity
5-95% RH non-condensing

33°C (maximum wet bulb)

Thermal Gradient
30 °C/hour (maximum)

Humidity Gradient
20%/hour (maximum)

Altitude Operating
-1,000 feet to 10,000 feet (-305M to 3,050M)

Non-Operating
-1,000 feet to 40,000 feet (-305M to 12,200M)

Acoustics Idle Mode*
33 dBA (average)
37 dBA (maximum)

Seek Mode**
37 dBA (average)
43 dBA (maximum)

Reliability AFR
<0.8%

MTBF
500,000 Power On Hours

Component Design Life
5 years

Warranty Period
3 years

* No audible pure tones.

** Random seek at a rate of 26 seeks per second.
     

(source Western Digital Corporation)

 


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Last Updated : July 24, 2001