เช็คราคา Western digital WD5000KS

รายละเอียดสินค้า
Performance Specifications
Rotational Speed 7, 200 RPM (nominal)
Buffer Size 16 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 500, 107 MB
Capacity 500 GB
Interface SATA 300 MB/s
User Sectors Per Drive 976, 773, 168


Physical Dimensions
English
Height 1.028 Inches (Max)
Length 5.787 Inches (Max)
Width 4.00 Inches (+/- 0.010 inch)
Weight 1.32 Pounds

Metric
Height 26.1 mm (Max)
Length 147 mm (Max)
Width 101.6 mm
Weight 0.6 kg


Environmental Specifications
Shock
Operating Shock (Read) 65G, 2 ms
Non-operating Shock 250G, 2 ms

Acoustics
Idle Mode 28 dBA (average)
Seek Mode 0 33 dBA (average)
Seek Mode 3 29 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

Vibration
Operating
Linear 20-300 Hz, .75G (0 to peak)
Random 10-300 Hz, 0.004 g² / Hz

Non-operating
Low Frequency 5-20 Hz, 0.195 inches (double amplitude)
High Frequency 20-500 Hz, 4.0G (0 to peak)


Electrical Specifications
Current Requirements
12 VDC
Read/Write 450 mA
Idle 430 mA
Standby 20 mA
Sleep 20 mA

5 VDC
Read/Write 800 mA
Idle 730 mA
Standby 270 mA
Sleep 250 mA

Power Dissipation
Read/Write 9.50 Watts
Idle 8.75 Watts
Standby 1.60 Watts
Sleep 1.50 Watts