Product comparison · 2 internal hard drives

Seagate 500GB SATA II 2.5" vs Seagate 750GB SATA 3.0 Gbps 2.5"

26specifications compared
3differ
23identical
13known for one product only

Key differences

HDD capacity
- 500GB SATA II 2.5":500 GB
- 750GB SATA 3.0 Gbps 2.5":750 GB
Width
- 500GB SATA II 2.5":100.3 mm
- 750GB SATA 3.0 Gbps 2.5":69.8 mm
Depth
- 500GB SATA II 2.5":69.8 mm
- 750GB SATA 3.0 Gbps 2.5":100.3 mm

Side by side

Differences highlightedShow differences only

Comparison of 500GB SATA II 2.5", 750GB SATA 3.0 Gbps 2.5"
39 specifications	A Seagate 500GB SATA II 2.5"View product	B Seagate 750GB SATA 3.0 Gbps 2.5"View product
Features1 differ
HDD capacityDiffers	500 GB	750 GB
HDD speed	5400 RPM	5400 RPM
HDD size	2.5"	2.5"
Interface	Serial ATA II	Serial ATA II
TypeKnown for one	HDD	Unknown — not stated by the source
Component for	Laptop	Laptop
Storage drive buffer size	8 MB	8 MB
HDD interface transfer rateKnown for one	3 Gbit/s	Unknown — not stated by the source
Average seek time	12 ms	12 ms
Average latency	5.6 ms	5.6 ms
SMART technologyKnown for one	Unknown — not stated by the source	Yes
Native Command Queuing (NCQ)Known for one	Unknown — not stated by the source	Yes
Poweridentical
Power consumption (standby)Known for one	0.3 W	Unknown — not stated by the source
Power consumption (PowerSave)Known for one	0.3 W	Unknown — not stated by the source
Power consumption (read)	2.2 W	2.2 W
Power consumption (write)	2.2 W	2.2 W
Operating voltage	5 V	5 V
Start-up current	1 A	1 A
Power consumption (idle)Known for one	Unknown — not stated by the source	0.7 W
Operational conditionsidentical
Operating temperature (T-T)	5 - 55 °C	5 - 55 °C
Storage temperature (T-T)	-40 - 70 °C	-40 - 70 °C
Operating relative humidity (H-H)	5 - 90%	5 - 90%
Storage relative humidity (H-H)	5 - 95%	5 - 95%
Operating vibration	1.5 G	1.5 G
Operating altitude	-300 - 3000 m	-300 - 3000 m
Non-operating altitude	-400 - 15000 m	-400 - 15000 m
Operating shock	325 G	325 G
Non-operating shock	750 G	750 G
Packaging contentidentical
User guideKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions2 differ
WidthDiffers	100.3 mm	69.8 mm
DepthDiffers	69.8 mm	100.3 mm
Height	9.5 mm	9.5 mm
Weight	107 g	107 g
Logistics dataidentical
Harmonized System (HS) codeKnown for one	84717050	Unknown — not stated by the source
Other featuresidentical
Storage capacityKnown for one	500 MB	Unknown — not stated by the source
Drive ready time	4 s	4 s
InternalKnown for one	Yes	Unknown — not stated by the source
Supported data transfer ratesKnown for one	1.5 Gbit/s	Unknown — not stated by the source
Data transfer rateKnown for one	Unknown — not stated by the source	3 Gbit/s

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.

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