Western Digital 250GB JB 8MB CACHE 7200RPM EIDE Price in Pakistan

Western Digital 250GB JB 8MB CACHE 7200RPM EIDE

Western Digital 250GB JB 8MB CACHE 7200RPM EIDE Price in Pakistan .Buy Western Digital 250GB JB 8MB CACHE 7200RPM EIDE at most suitable price in Pakistan. Also check Second hand or use Western Digital 250GB JB 8MB CACHE 7200RPM EIDE in Pakistan. Check PaperPk Shop for Computer Accessories prices in Pakistan.

Cool, quiet operation, superior performance and industry-leading reliability make these EIDE drives ideal for desktop, business, and consumer electronics storage.

Key Features

* Fast – 8 MB cache – Keeps more of your data in high-speed memory for unsurpassed performance in its class. Fast 7200 RPM spindle speed and EIDE (Ultra ATA/100) for burst transfer rates up to 100 MB/s. For even higher performance, consider WD Caviar SE16 SATA 300 MB/s hard drives.
* Cool – Cool operation results in the highest reliability, even in intensely hot environments such as digital video recorders. That`s why these, the coolest on the market, are the drives of choice for the world`s leading consumer electronics and PC manufacturers.
* Quiet – The technology that Tom`s Hardware Guide called “very fast and nearly silent” is used throughout this family of drives. Our WhisperDrive� technology minimizes noise to levels near the threshold of human hearing. To cut seek noise, SoftSeek� technology streamlines read/write seeking algorithms, resulting in more efficient operation.

Ideal For

* High-performance family and business computing. These drives easily handle photo editing and data-intensive multimedia applications. For even higher performance, consider WD Caviar SE16 SATA hard drives.

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.

Specifications

* Rotational Speed 7,200 RPM (nominal)
* Buffer Size 8 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 Disk 748 Mbits/s (Max)
* Buffer to Host (EIDE)
* Mode 5 Ultra ATA 100.0 MB/s
* Mode 4 Ultra ATA 66.6 MB/s
* Mode 2 Ultra ATA 33.3 MB/s
* Mode 4 PIO 16.6 MB/s
* Mode 2 multi-word DMA 16.6 MB/s

Physical Specifications

* Formatted Capacity 250,059 MB
* Capacity 250 GB
* Interface EIDE 100 MB/s
* User Sectors Per Drive 488,397,168

Physical Dimensions

English

* 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 0.60 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, 0.75G (0 to peak)
* Random 10-300 Hz, 0.004 g� / 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 530 mA
* Idle 510 mA
* Standby 30 mA
* Sleep 30 mA
* 5 VDC
* Read/Write 450 mA
* Idle 400 mA
* Standby 150 mA
* Sleep 120 mA

Power Dissipation

* Read/Write 8.60 Watts
* Idle 8.10 Watts
* Standby 1.10 Watts
* Sleep 1.00 Watts

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