Western Digital Caviar Blue WD6400AAKS SATA Hard Drive

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Western Digital Part #/MPN: WD6400AAKS

DiscTech Item #: WDC-WD6400AAKS-NP-OE


Capacity: 640GB

Speed: 7,200RPM

Interface Types: SATA

Form Factor: 3.5inx1.0in LFF Hard Drive

Sector Size: 512 / 512e

Average Seek Time: 8.9 / 10.9

Electrical Interface: SATA 300 - 3.0Gbps

On-Board Cache: 16MB

Performance SpecificationsWD5000AAKS
Rotational Speed7200 RPM
Buffer Size16 MB
Average Latency4.20 ms (nominal)
Contact Start/Stop Cycles50,000 minimum
Seek Times
Read Seek Time8.9 ms
Write Seek Time10.9 ms (average)
Track-To-Track Seek Time2.0 ms (average)
Full Stroke Seek21.0 ms (average)
Transfer Rates
Buffer To Host (Serial ATA)3 Gb/s (Max)
Buffer To Disk972 Mbits/s (Max)
Physical Specifications
Formatted Capacity500,107 MB
Capacity500 GB
InterfaceSATA 3 Gb/s
User Sectors Per Drive976,773,168
Physical Dimensions
Height1.028 Inches (Max)
Length5.787 Inches (Max)
Width4.00 Inches (+/- 0.010 inch)
Weight1.33 Pounds
Height25.4 mm (Max)
Length147 mm (Max)
Width101.6 mm
Weight0.60 kg
Environmental Specifications
Operating Shock (Read)65G, 2 ms
Non-operating Shock350G, 2 ms
Idle Mode25 dBA (average)
Seek Mode 029 dBA (average)
Seek Mode 326 dBA (average)
Temperature (English)
Operating32° F to 140° F
Non-operating-40° F to 149° F
Temperature (Metric)
Operating0° C to 60 ° C
Non-operating-40° C to 65° C
Operating5-95% RH non-condensing
Non-operating5-95% 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
Linear20-300 Hz, .75G (0 to peak)
Random7-500 Hz, 0.00221 g² / Hz
Non-operating Vibration
Low Frequency10-300 Hz, 0.195 inches (double amplitude)
High Frequency300-500 Hz, 5.0G (0 to peak)
Electrical Specifications
12 VDC Current Requirements
Read/Write395 mA
Idle380 mA
Standby6 mA
Sleep6 mA
5 VDC Current Requirements
Read/Write660 mA
Idle532 mA
Standby180 mA
Sleep180 mA
Power Dissipation
Read/Write7.80 Watts
Idle7.20 Watts
Standby.97 Watts
Sleep.97 Watts

Click here to view the manufacturer's item description/brochure

Weight: 1.8 lb

Warranty: 1 Year DiscTech

New Pull

Condition Levels Explained

The product has been mounted in a brand new system (e.g. server), then removed from the system, before entering service. These products may have a few hours of usage due to system build time etc. Ostensibly however, New Pulls are electronically new items, which may show signs of being physically mounted and unmounted. All handling is performed by trained technicians, taking full ESD precautions.

1 Year DiscTech Warranty

Product Warranties Explained

The product has a DiscTech warranty for the time period specified. View our limited warranty

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