HP 500GB 7200 RPM SATA 1st HDD vs HP 500GB 7200 RPM SATA 3rd HDD

Comparison of 500GB 7200 RPM SATA 1st HDD, 500GB 7200 RPM SATA 3rd HDD

13 specifications	A HP 500GB 7200 RPM SATA 1st HDDView product	B HP 500GB 7200 RPM SATA 3rd HDDView product
Featuresidentical
HDD capacity	500 GB	500 GB
HDD speed	7200 RPM	7200 RPM
HDD size	3.5"	3.5"
Interface	Serial ATA	Serial ATA
Type	HDD	HDD
Storage drive buffer size	16 MB	16 MB
HDD interface transfer rate	6 Gbit/s	6 Gbit/s
Full stroke seek time	21 ms	21 ms
Average seek time	11 ms	11 ms
Poweridentical
Operating voltage	5 / 12 V	5 / 12 V
Weight & dimensionsidentical
Width	89 mm	89 mm
Depth	101.7 mm	101.7 mm
Height	25.4 mm	25.4 mm

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.