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Western Digital SE WD3000JD 300GB 7.2K 3.5 Inch SATA Hard Drive

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Western Digital Caviar SE WD3000JD 300GB 7.2K 3.5 inch SATA Hard Drive – Refurbished COOL
Cool operation results in the highest reliability, even in intensely hot environments such as digital video recorders. That’s why these, the coolest on the market, are the drives of choice for the world’s leading consumer electronics and PC manufacturers.
QUIET
The technology that Tom’s Hardware Guide called “very fast and nearly silent” is used throughout this family of drives. Our WhisperDrive technology minimizes noise to levels near the threshold of human hearing.
To cut seek noise, SoftSeek technology streamlines read/write seeking algorithms, resulting in more efficient operation.

SKU: WD3000JD Category: Tags: ,
Weight 0.60 kg
Physical Specifications
Model Number WD3000JD
Formatted Capacity 1 300,069MB
Used Sectors Per Drive 586,072,368
Interface 1.5 Gb/s serial interface
Bytes Per Sector 512
Dedicated Landing Zone Yes
Actuator Latch/Auto Park Yes
Performance Specifications
Data Transfer Rate (maximum)
– Buffer to Host		 1.5 Gb/s max2
Average Read Seek 8.9 ms (average)
Track-to-track Seek3 2.0 ms (average)
Full Stroke Read Seek3 21 ms (average)
Average Latency 4.2 ms
Rotational Speed 7200 RPM
Read Cache Adaptive
Write Cache Yes
Buffer 8 MB
Drive Ready Time 9.0 sec average
Start/Stop Cycles 50,000 min
Error Rate
(non-recoverable)		 <1 in 1014 bits read
LBA support Yes
Physical Dimensions
Height 1.028 in. (25.4 mm) max
Length 5.787 in. (147.0 mm) max
Width 4.0 in. (101.6 mm) Ā± .01 in.
Weight 1.32 lb. (0.60 kg) Ā± 10%
Power Requirements4
Mode 12 V (Ā± 10%) 5 V (Ā± 5%) Power
Read/Write4 530 mA 850 mA 16.6 W
Idle 510 mA 780 mA 10.0 W
Standby 30 mA 300 mA 1.8 W
Sleep 30 mA 190 mA 1.3 W
Environmental Specifications5
Shock
Operating (2ms) 30G (write), 65G (read)
Non-operating (2ms) 300G (2-platter), 250G (3-platter)
Half sine wave measured in 2 ms duration, measured without isolation.
Vibration
Operating – Random 0.004 g2/Hz (10 to 300 Hz)
– Linear 20-300 Hz, 0.75G (0 to peak)
Non-operating – Linear 5-20 Hz, 0.195 inches (dbl amp)
20-500 Hz, 4G (0 to peak)
Operating Temperature and Humidity
Temperature 5Ā°C to 55Ā°C
Humidity 5-95% RH non-condensing
Thermal Gradient 20Ā°C/hour (maximum)
Non-Operating Temperature and Humidity
Temperature -40Ā°C to 65Ā°C
Humidity 5-95% RH non-condensing
Thermal Gradient 30Ā°C/hour (maximum)
Acoustics (average) 3-platter
Idle Mode6 34 dBA
Seek Mode 06 36dBA
Seek Mode 36 35dBA

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