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Western Digital Caviar 40GB 7.2K SATA Hard Drive WD400BD
Western Digital Caviar 40GB 7.2K SATA Hard Drive WD400BD

Western Digital Caviar 40GB 7.2K SATA Hard Drive WD400BD

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30 in stock
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AED539.00

30 in stock

Add to Wishlist

Western Digital Caviar 40GB 7.2K SATA Hard Drive WD400BD

Drive Summary

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
 
Detailed Description

Western Digital Caviar 40GB 7.2K SATA Hard Drive WD400BD – BRAND New OEM

Compatibility
 
Specifications
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

 

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