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DeepCool N600 Metal 17-inch NoteBook Cooler

200mm fan, big area metal mesh, excellent cooling performance. Superb air intake design offers optimal airflow to cool your notebook. Anti-slip design ensures notebook safety. USB pass-through connector.

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Western Digital Caviar wd2500bb 250GB SATA
WD Caviar SATA hard drives are designed for mainstream desktop personal computers. They feature a fast 7200 RPM spindle speed, a 2 MB cache buffer, and up to 250 GB of storage. WD Caviar drives are built to the highest standards of quality and reliability by people who understand the importance of your data.

Price:  P 2,790  

Key Features

-Fast 7200 RPM, 2 MB cache buffer
-Quiet - Fluid Dynamic Bearing (FDB) technology - Less friction means more reliability; less heat, vibration, and noise.

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.

Technical Specifications:

Performance Specifications
	Rotational Speed	7,200 RPM (nominal)
	Buffer Size	2 MB
	Average Latency	4.20 ms (nominal)
	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 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
	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	0.60 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 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	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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