Product comparison · 2 internal hard drives

HP 1TB SATA (NCQ/Smart IV) 3.0Gb/s vs HP 500GB SATA 3.5" 2nd HDD

Key differences

HDD capacity
- 1TB SATA (NCQ/Smart IV) 3.0Gb/s:1 TB
- 500GB SATA 3.5" 2nd HDD:500 GB
Interface
- 1TB SATA (NCQ/Smart IV) 3.0Gb/s:Serial ATA II
- 500GB SATA 3.5" 2nd HDD:Serial ATA

Differences highlightedShow differences only

Comparison of 1TB SATA (NCQ/Smart IV) 3.0Gb/s, 500GB SATA 3.5" 2nd HDD
10 specifications	A HP 1TB SATA (NCQ/Smart IV) 3.0Gb/s View product	B HP 500GB SATA 3.5" 2nd HDD View product
Features2 differ
HDD capacityDiffers	1 TB	500 GB
InterfaceDiffers	Serial ATA II	Serial ATA
Hot-swapKnown for one	No	Unknown — not stated by the source
SMART technologyKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
Data transfer rateKnown for one	3 Gbit/s	Unknown — not stated by the source
Windows operating systems supportedKnown for one	Yes	Unknown — not stated by the source

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.