HP 500GB SATA NCQ HDD SMART IV 3.5" 1st HDD vs HP 500GB SATA NCQ HDD SMART IV 3.5" 2nd HDD

Comparison of 500GB SATA NCQ HDD SMART IV 3.5" 1st HDD, 500GB SATA NCQ HDD SMART IV 3.5" 2nd HDD

6 specifications	A HP 500GB SATA NCQ HDD SMART IV 3.5" 1st HDDView product	B HP 500GB SATA NCQ HDD SMART IV 3.5" 2nd 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
Poweridentical
Operating voltage	5 / 12 V	5 / 12 V
Other featuresidentical
Internal	Yes	Yes

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.