Product comparison · 2 internal hard drives

Seagate SATA 1TB vs Seagate SATA 500GB

Key differences

Differences highlightedShow differences only

Comparison of SATA 1TB, SATA 500GB
30 specifications	A Seagate SATA 1TB View product	B Seagate SATA 500GB View product
Features2 differ
HDD capacityDiffers	1 TB	500 GB
HDD speed	7200 RPM	7200 RPM
HDD size	3.5"	3.5"
Interface	Serial ATA II	Serial ATA II
Type	HDD	HDD
Component for	Surveillance system	Surveillance system
Storage drive buffer sizeDiffers	32 MB	16 MB
Read seek time	8.5 ms	8.5 ms
Write seek time	9.5 ms	9.5 ms
Bytes per sector	512	512
Start/stop cycles	50000	50000
Mean time between failures (MTBF)	1000000 h	1000000 h
Poweridentical
Power consumption (typical)	7 W	7 W
Power consumption (standby)	1 W	1 W
Power consumption (PowerSave)Known for one	Unknown — not stated by the source	1 W
Operating voltage	5 / 12 V	5 / 12 V
Start-up current	2 A	2 A
Operational conditionsidentical
Operating temperature (T-T)	0 - 70 °C	0 - 70 °C
Storage temperature (T-T)	-40 - 70 °C	-40 - 70 °C
Operating shock	70 G	70 G
Non-operating shock	300 G	300 G
Weight & dimensions2 differ
WidthDiffers	101.6 mm	101.8 mm
Depth	147 mm	147 mm
Height	26.1 mm	26.1 mm
WeightDiffers	677 g	544 g
Other featuresidentical
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	101.85 x 146.99 x 26.1 mm
Data transfer rateKnown for one	Unknown — not stated by the source	3 Gbit/s
InternalKnown for one	Unknown — not stated by the source	Yes
Sustained data rateKnown for one	Unknown — not stated by the source	0 MB/s
Drive ready timeKnown for one	17 s	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.