Western Digital WD5000AAKS CAVIAR SE16/ 500GB/ 7200RPM/ SATAII/ 3.5"

WD Caviar® SE16
SATA Hard Drives
500 GB, 300 MB/s, 16 MB Cache, 7200 RPM
Lightning fast, Cool, Quiet

WD Caviar® SE16 7200 RPM next-generation SATA hard drives feature 16 MB cache for lightning-fast performance, cool and quiet operation and up to 500 GB of storage for capacity-hungry applications.
WD Caviar® SE16 7200 RPM next-generation SATA hard drives feature up to 500 GB of storage and a 16 MB cache for lightning-fast performance. Yes, these reliable drives are fast, but they still deliver technologically advanced acoustics and cool operation. Designed for high-performance computers, multimedia and gaming systems.

Key Features
16 MB cache - Bigger cache means faster performance. A massive 16 MB cache combined with up to 300 MB/s transfer rate make these ultra-fast drives the perfect solution for the fully loaded PC with a fast processor.
Cool operating temperature - WD hard drives are designed to have the lowest power consumption of any high-capacity, desktop-class hard drive which lowers the operating temperature for enhanced drive reliability.
Whisper quiet - These highly reliable drives deliver technologically advanced acoustics. With its WhisperDrive™ and SoftSeek™ technologies, WD has minimized noise to levels virtually imperceptible to the human ear in home and business environments.

Ideal For
* Designed for use in the fastest PCs on the market, including high-performance business computers, multimedia and gaming systems.
How this WD hard drive protects your data
* Data Lifeguard™ is an exclusive set of data protection features, including shock protection, an environmental protection system and real-time embedded error detection and repair. WD's Data Lifeguard technology automatically finds, isolates, and repairs problems that may develop over the life of a hard drive.
* Data Lifeguard Tools™ are software utilities designed for WD hard drives that work with the embedded Data Lifeguard features to make hard drive installation,diagnostics and repair both simple and worry-free. (Download Data Lifeguard Tools)
* ShockGuard™ instantaneously protects the hard drive against damage from bumps and vibrations while it is running. This technology enables WD Caviar drives to achieve industry-leading shock specifications.
Important interface information
This drive requires a SATA interface
Up to 142,000 digital photos
Up to 125,000 songs (MP3)
Up to 12,000 songs (uncompressed CD quality)
Up to 38 hours of Digital Video (DV)
Up to 200 hours of DVD quality video
Up to 60 hours of HD video
Mouse over each item to see how it was calculated.
(Examples of the number of photos, songs, videos and any other files that can be stored on a hard drive are provided for illustrative purposes only. Your results will vary based on file size and format, settings, features, software and other factors.)
One gigabyte (GB) = one billion bytes. One terabyte (TB) = one trillion bytes. Total accessible capacity varies depending on operating environment.

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