Western Digital AC14300 HARD DISK DRIVE REPAIR, Western Digital AC14300 HARD DISK DRIVE SPECIFICATIONS,
Western Digital AC14300 hard disk drive sales, Western Digital AC14300 hard disk drive repair, Western Digital AC14300 hard disk drive specifications, 
Western Digital AC14300 Hard Disk Drive Repair, Western Digital AC14300 Hard Disk Drive Specifications, Western Digital AC14300 Western Digital AC14300
Specifications



western digital ac14300 picture.
western digital ac14300 picture.
western digital ac14300 picture.

Western Digital AC14300 Specifications
Model Capacity Size Height Bus Type Int.Type
AC14300 4311MB 3.5" SL ATA-66 Ultra

Specifications for the WD Caviar AC14300

Recommended Setup Parameters
Cylinders 8912
Heads 15
Sectors/Track 63
Landing Zone 8912
WPC 8912
Jumper Setting Information Ten Pin Drive
Physical Specifications
Formatted Capacity* 4,311 MB
Interface 40-pin EIDE
Actuator Type Rotary Voice Coil
Number of Platters 1
Data Surfaces 2
Number of Heads 2
Bytes Per Sector 512
User Sectors Per Drive 8,421,840
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.

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 19 ms typical, 23 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) 87.9 Mbits/s minimum
171.4 Mbits/s maximum
Interleave 1:1
Buffer Size 512 KB
Error Rate (Non-Recoverable) <1 in 1013 bits read
Spindle Start Time
- From Power-on to Drive Ready*
- From Power-on to Rotational Speed**
   
13s typical, 31s maximum
6.5 s typical, 12 s maximum
Spindle Stop Time 4 s typical
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.

** Defined as the time from power-on to when the full spindle rotational speed is reached.

Physical Dimensions
Height English:
1.00 inch (±0.02 inch)

Metric:
25.4 mm (±0.51 mm)

Length English:
5.75 inches (±0.02 inch)

Metric:
146.05 mm (±0.51 mm)

Width English:
4.00 inches (±0.02 inch)

Metric:
101.6 mm (±0.51 mm)

Weight (min) English:
1.1 pounds (±0.11 pounds)

Metric:
.500 kg (±0.050 kg)

Electrical Specifications
Current Requirements and Power Dissipation
Operating Mode

RMS Current*

Power, Typical*
  12 VDC 5 VDC  
Spinup 1.8 A max 530 mA 24.3 W max
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 (±8%)

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.

Environmental Specifications
Shock:* Operating
10 G, 2 ms (2 per second maximum)

Non-operating
150 G, 3 ms (3 drops per axis maximum)
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 maximum

Drive Generated Vibration .10G maximum with the drive in an unconstrained condition
Rotational Shock
(non-operating)
Amplitude
12K rad/sec2

Duration
2 ms

Operating Temperature and Humidity Temperature
5º C to 55º C (41ºF to 131ºF)

Humidity
5-85% RH non-condensing
33°C (maximum wet bulb)

Thermal Gradient
20°C/hour (maximum)

Humidity Gradiant
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 Gradiant
20%/hour (maximum)

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

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

Acoustics Idle Mode**
34 dBA (average)
38 dBA (maximum)

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

Reliability AFR
<%1

MTBF
500,000 Hours

MTTR
10 minutes (typical)

Component Design Life
5 years

Warranty Period
Warranty Status

* Half sine wave, measured without shock isolation and without non-recoverable errors.

** No audible pure tones.

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


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