Is this hard disk 7200 rpm?

A generally reasonable question for a HDD, but not for AV discs. WD dont seem to publish the platter speed, but its between 5400 and 7200. What really relevent for AV discs is the sustained data transfer rate, between 110Mb/sec and 145Mb/sec depending on capacity for this range of WD's. The firmware is also optimised for video - its not about absolute data tranfer raes, but keeping up with a reasonably high throughput (to avoid dropping frames).

Brand	WD
Product Dimensions	14.73 x 10.16 x 2.54 cm; 440 g
Item model number	WD5000AVDS
Manufacturer	Western Digital
Series	AV-GP
Colour	disk; disc; storage; gigabyte; internal;
Form Factor	3.5-inch
RAM Size	500 GB
Hard Drive Size	500 GB
Hard Disk Description	Mechanical Hard Disk with IntelliPower technology, optimized for smooth digital video playback and power conservation
Hard Drive Interface	SATA 6 GB/s
Hard Disk Rotational Speed	7200 RPM
Are Batteries Included	No
Item Weight	440 g
Guaranteed software updates until	unknown

Western Digital AV-GP 3.5 inch 500GB Intellipower RPM Internal Hard Drive

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