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
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.
|
|
|