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Western Digital SATA Hard Disk WD400BD

Item Number: WDC-WD400BD-NP-OE
Manufacturer's Part Number: WD400BD
Contact us about WD400BDGet help regarding WD400BD
 

Western Digital Caviar 40GB 7.2K SATA Hard Drive WD400BD - New Pull OEM

 
WD400BD SCSI Hard Drive Photo

WD400BD SCSI Hard Drive Photo WD400BD SCSI Hard Drive Photo WD400BD SCSI Hard Drive Photo WD400BD SCSI Hard Drive Photo
Price: $39.00
Condition: New Pull - What does this mean?
Warranty: 1 Year - Reseller - What does this mean?
 
 

Capacity: 40GB
Spindle Speed: 7,200RPM
Interface Type: SATA
Disk Size: 3.5"x1.0" (LFF Hard Drive)
Sustained Throughput (MBps):
Average Seek Time (read/write ms): 8.9 / 10.9
Electrical Interface Speed: SATA 300 - 3.0Gbps
On-Board Cache: 2MB

 
 
New Pull - What does this mean?
 
1 Year - Reseller - What does this mean?
 

WD Caviar SATA/EIDE hard drives are offered in capacities up to 250 GB, with performance geared to advanced and mainstream desktop personal computers. WD Caviar drives are built to the highest standards of quality and reliability because we understand the importance of data that is entrusted to our products.


Compatibility

 
Performance Specifications
Rotational Speed 7,200 RPM (nominal)
Buffer Size 2 MB
Average Latency 4.20 ms (nominal)
Contact Start/Stop Cycles 50,000 minimum
Seek Times
Read Seek Time 8.9 ms
Write Seek Time 10.9 ms (average)
Track-To-Track Seek Time 2.0 ms (average)
Full Stroke Seek 21.0 ms (average)
Transfer Rates
Buffer To Host (Serial ATA) 300 MB/s (Max)
Buffer To Disk 748 Mbits/s (Max)
Physical Specifications
Formatted Capacity 40,020 MB
Capacity 40 GB
Interface SATA 300 MB/s
User Sectors Per Drive 78,165,360
Physical Dimensions
English
Height 1.028 Inches (Max)
Length 5.787 Inches (Max)
Width 4.00 Inches (+/- 0.010 inch)
Weight 1.60 Pounds
Metric
Height 26.1 mm (Max)
Length 147 mm (Max)
Width 101.6 mm
Weight 0.73 kg
Environmental Specifications
Operating Shock (Read) 65G, 2 ms
Non-operating Shock 350G, 2 ms
Acoustics
Idle Mode 30 dBA (average)
Seek Mode 0 32 dBA (average)
Seek Mode 3 31 dBA (average)
Temperature (English)
Operating 41° F to 131° F
Non-operating -40° F to 149° F
Temperature (Metric)
Operating 5° C to 55° C
Non-operating -40° C to 65° C
Humidity
Operating 5-95% RH non-condensing
Non-operating 5-95% RH non-condensing
Altitude (English)
Operating -1,000 feet to 10,000 feet
Non-operating -1,000 feet to 40,000 feet
Altitude (Metric)
Operating -305M to 3,050M
Non-operating -305M to 12,200M
Operating Vibration
Linear 10-300 Hz, 3.0G (0 to peak)
Random 10-300 Hz, 0.008 g² / Hz
Non-operating Vibration
Low Frequency 5-20 Hz, 0.195 inches (double amplitude)
High Frequency 20-300 Hz, 4.0G (0 to peak)
Electrical Specifications
12 VDC Current Requirements
Read/Write 450 mA
Idle 470 mA
Standby 23 mA
Sleep 23 mA
5 VDC Current Requirements
Read/Write 800 mA
Idle 750 mA
Standby 330 mA
Sleep 200 mA
Power Dissipation
Read/Write 12.80 Watts
Idle 9.50 Watts
Standby 1.90 Watts
Sleep 1.30 Watts

Click here to view the manufacturers item description/brochure
 

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