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| Western Digital 400GB Serial ATA 7200-RPM 16MB |
$119.00 |
| Western Digital 400 gig hard drive, 7200 Rpm 16mb cache Serial ATA II -
In Stock |
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MODEL- WD4000KS VENDOR- WESTERN DIGITAL CORP
FEATURES
- Caviar SE16 SATA II Hard Drive- 400 GB, Bare drive Internal Serial ATA II WD Caviar 400GB, 7200RPM Hard Drive. WD Caviar SE16 next-generation SATA hard drives feature 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.
* 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.
* Data Lifeguard
An exclusive set of data protection features, including shock protection, an environmental protection system and real-time embedded
error detection and repair. WDs Data Lifeguard technology automatically finds, isolates, and repairs problems that may develop over the life of a hard drive.
* Data Lifeguard Tools
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.
* Shock Guard
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.
SPECIFICATIONs
GENERAL
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
(Average)-
Read Seek Time (Average) : 8.9 ms
Write Seek Time (Average): 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 (SATA II) : 300 MB/s (Max)
Buffer to Disk : 748 Mbits/s (Max)
CONFIGURATION
Formatted Capacity : 400,088 MB
Capacity : 400 GB
Interface : SATA II 300 MB/s
User Sectors Per Drive : 781,422,768
ENVIRONMENTAL
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)
Operating Temperature : +41 ~ 131 degrees F
Non-operating Temperature: -40 ~ 149 degrees F
Humidity : 5 ~ 95% RH non-condensing
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
Warranty - 3 year manufacture
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