Product comparison · 2 internal hard drives

Seagate Internal 3.5 Inch Hard Drive Kit, 750GB - SATA NCQ vs Seagate Momentus 5400.3

5specifications compared
4differ
1identical
22known for one product only

Key differences

The Seagate Internal 3.5 Inch Hard Drive Kit, 750GB - SATA NCQ has 630 GB more HDD capacity than the Seagate Momentus 5400.3 (750 GB vs 120 GB). The Seagate Internal 3.5 Inch Hard Drive Kit, 750GB - SATA NCQ has 1,800 RPM more HDD speed than the Seagate Momentus 5400.3 (7200 RPM vs 5400 RPM). The Seagate Internal 3.5 Inch Hard Drive Kit, 750GB - SATA NCQ has 8 MB more storage drive buffer size than the Seagate Momentus 5400.3 (16 MB vs 8 MB). Interface: Serial ATA on the Seagate Internal 3.5 Inch Hard Drive Kit, 750GB - SATA NCQ, Ultra-ATA/100 on the Seagate Momentus 5400.3.

HDD capacity
- Internal 3.5 Inch Hard Drive Kit, 750GB - SATA NCQ:750 GB
- Momentus 5400.3:120 GB
HDD speed
- Internal 3.5 Inch Hard Drive Kit, 750GB - SATA NCQ:7200 RPM
- Momentus 5400.3:5400 RPM
Interface
- Internal 3.5 Inch Hard Drive Kit, 750GB - SATA NCQ:Serial ATA
- Momentus 5400.3:Ultra-ATA/100
Storage drive buffer size
- Internal 3.5 Inch Hard Drive Kit, 750GB - SATA NCQ:16 MB
- Momentus 5400.3:8 MB

Side by side

Differences highlightedShow differences only

Comparison of Internal 3.5 Inch Hard Drive Kit, 750GB - SATA NCQ, Momentus 5400.3
27 specifications	A Seagate Internal 3.5 Inch Hard Drive Kit, 750GB - SATA NCQ View product	B Seagate Momentus 5400.3 View product
Features4 differ
HDD capacityDiffers	750 GB	120 GB
HDD speedDiffers	7200 RPM	5400 RPM
InterfaceDiffers	Serial ATA	Ultra-ATA/100
Component forKnown for one	Unknown — not stated by the source	Laptop
Storage drive buffer sizeDiffers	16 MB	8 MB
Read seek timeKnown for one	Unknown — not stated by the source	11 ms
Write seek timeKnown for one	Unknown — not stated by the source	13 ms
Average latencyKnown for one	Unknown — not stated by the source	5.56 ms
HDD sizeKnown for one	3.5"	Unknown — not stated by the source
Poweridentical
Power consumption (standby)Known for one	Unknown — not stated by the source	0.2 W
Power consumption (off)Known for one	Unknown — not stated by the source	0.207 W
Operating voltageKnown for one	5 / 12 V	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 60 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-40 - 70 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 90%
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
Operating vibrationKnown for one	Unknown — not stated by the source	1 G
Non-operating vibrationKnown for one	Unknown — not stated by the source	5 G
Non-operating altitudeKnown for one	Unknown — not stated by the source	-304.8 - 12192 m
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	69.8 mm
DepthKnown for one	Unknown — not stated by the source	100.5 mm
HeightKnown for one	Unknown — not stated by the source	9.5 mm
WeightKnown for one	Unknown — not stated by the source	102 g
Other featuresidentical
Internal	Yes	Yes
Number of pinsKnown for one	Unknown — not stated by the source	44
Data transfer rateKnown for one	3 Gbit/s	Unknown — not stated by the source
Mac compatibilityKnown 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.

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