Tech ARP - Western Digital 320 GB Scorpio Notebook Hard Drive Review

	Date :	07 May 2008
	Manufacturer :	Western Digital
	Source :	http://www.wdc.com/
	Category :	Storage
	Author :	Dr. Adrian Wong
	Revision :	1.0
	Forum Link :	Discuss here !
	Views :	115994

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Western Digital 320 GB Scorpio Notebook Hard Drive Review

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The Hard Drive

The 320 GB Western Digital Scorpio hard drive looks just like any other 2.5" notebook hard drive, with a label on the top plate and an uncovered PCB on the underside.

The label has a lot of important information, like the hard drive model and capacity. There are also interesting details like its date and place of manufacture. This particular drive was manufactured in Thailand in November 2007.

Also, the label is where you look for the drive's serial number in case you need to RMA it. Of course, we hope that never happens!

Let's take a look at its specifications.

Specifications

Model	• WD3200BEVT
Formatted Capacity	• 320,072 MB
Guaranteed Sectors	• 625,142,448
Bytes Per Sector	• 512 bytes
Sectors Per Track	• NA
Cylinders	• NA
Platters	• NA
Read/Write Heads	• NA
Recording Method	• NA
Interleave	• 1 : 1
Spindle Speed	• 5,400 RPM
Cache Buffer	• 8 MB SDRAM
Maximum Internal Data Transfer Rate	• 850 Mbits/s (maximum) • 106.25 MB/s (maximum)
Maximum I/O Transfer Rate	• 3 Gbits/s
Average Seek	• 21.0 ms (full stroke read) • 12.0 ms (read) • 2.0 ms (track-to-track)
Average Latency	• 5.50 ms (nominal)
Drive Ready Time	• 4.0 seconds (average)
Interface	• Serial ATA 3Gb/s
Supported SATA Data Transfer Mode	• 3 Gbits/s • 1.5 Gbits/s
SATA II Hotplug Capability	• Yes
Maximum Height	• 9.5 mm • 0.374 inches
Maximum Width	• 69.85 mm • 2.75 inches
Maximum Length	• 100.2 mm • 3.94 inches
Maximum Weight	• 117 g • 0.26 lb
Power Requirements	• +5V DC ± 5 %
Power Consumption	• 2.5 W (Read / Write) • 2.0 W (Idle) • 0.25 W (Standby) • 0.10 W (Sleep)
Ambient Temperature	• 5 °C to 60 °C (Operating) • -40 °C to 65 °C (Non-Operating)
Operating Altitude	• -305 meters to 3,050 meters • -1000 feet to 10,000 feet
Non-Operating Altitude	• -305 meters to 12,200 meters • -1000 feet to 40,000 feet
Maximum Shock	• NA
Drive Acoustics	• 24 dBA average (Idle Mode) • 24 dBA average (Seek Mode)
Maximum Operating Vibration	• 0.00459 g²/Hz (10 to 500 Hz)
Maximum Non-Operating Vibration	• 0.05102 g²/Hz (10 to 500 Hz)
Non-Recoverable Read Errors	• < 1 error per 10¹⁴ bits read
Load/Unload Cycles	• 600,000

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