Product comparison · 2 internal hard drives

Seagate Desktop HDD ST1000DM003 internal hard drive vs Seagate Momentus ST9500423AS internal hard drive

13specifications compared
10differ
3identical
29known for one product only

Key differences

HDD capacity
- Desktop HDD ST1000DM003 internal hard drive:1 TB
- Momentus ST9500423AS internal hard drive:500 GB
Interface
- Desktop HDD ST1000DM003 internal hard drive:Serial ATA III
- Momentus ST9500423AS internal hard drive:Serial ATA II
Power consumption (typical)
- Desktop HDD ST1000DM003 internal hard drive:5.3 W
- Momentus ST9500423AS internal hard drive:2.5 W
Power consumption (idle)
- Desktop HDD ST1000DM003 internal hard drive:4.6 W
- Momentus ST9500423AS internal hard drive:0.7 W
Operating voltage
- Desktop HDD ST1000DM003 internal hard drive:5 / 12 V
- Momentus ST9500423AS internal hard drive:5 V
Start-up current
- Desktop HDD ST1000DM003 internal hard drive:2 A
- Momentus ST9500423AS internal hard drive:1 A
Width
- Desktop HDD ST1000DM003 internal hard drive:101.6 mm
- Momentus ST9500423AS internal hard drive:69.8 mm
Depth
- Desktop HDD ST1000DM003 internal hard drive:147 mm
- Momentus ST9500423AS internal hard drive:100.3 mm

Side by side

Differences highlightedShow differences only

Comparison of ST1000DM003, ST9500423AS
42 specifications	A Seagate Desktop HDD ST1000DM003 internal hard drive Model ST1000DM003 View product	B Seagate Momentus ST9500423AS internal hard drive Model ST9500423AS View product
Features2 differ
HDD capacityDiffers	1 TB	500 GB
HDD speed	7200 RPM	7200 RPM
InterfaceDiffers	Serial ATA III	Serial ATA II
Component forKnown for one	Unknown — not stated by the source	Laptop
Track to track seek timeKnown for one	Unknown — not stated by the source	13 ms
Average latencyKnown for one	Unknown — not stated by the source	4.2 ms
HDD sizeKnown for one	3.5"	Unknown — not stated by the source
TypeKnown for one	HDD	Unknown — not stated by the source
Storage drive buffer sizeKnown for one	64 MB	Unknown — not stated by the source
HDD interface transfer rateKnown for one	6 Gbit/s	Unknown — not stated by the source
HDD sustained transfer rateKnown for one	210 MiB/s	Unknown — not stated by the source
HDD number of cylindersKnown for one	1	Unknown — not stated by the source
HDD number of headsKnown for one	2	Unknown — not stated by the source
Bytes per sectorKnown for one	512	Unknown — not stated by the source
Power4 differ
Power consumption (typical)Differs	5.3 W	2.5 W
Power consumption (standby)Known for one	Unknown — not stated by the source	0.15 W
Power consumption (idle)Differs	4.6 W	0.7 W
Power consumption (read)Known for one	Unknown — not stated by the source	2.1 W
Power consumption (write)Known for one	Unknown — not stated by the source	2.3 W
Operating voltageDiffers	5 / 12 V	5 V
Start-up currentDiffers	2 A	1 A
Operational conditionsidentical
Operating temperature (T-T)	0 - 60 °C	0 - 60 °C
Storage temperature (T-T)	-40 - 70 °C	-40 - 70 °C
Operating 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	2 G
Non-operating vibrationKnown for one	Unknown — not stated by the source	5 G
Operating altitudeKnown for one	Unknown — not stated by the source	-304.8 - 3048 m
Non-operating altitudeKnown for one	Unknown — not stated by the source	-304.8 - 12192 m
Operating shockKnown for one	Unknown — not stated by the source	350 G
Non-operating shockKnown for one	Unknown — not stated by the source	800 G
Packaging contentidentical
User guideKnown for one	Unknown — not stated by the source	Yes
Storage drive adapter includedKnown for one	No	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	101.6 mm	69.8 mm
DepthDiffers	147 mm	100.3 mm
HeightDiffers	20 mm	9.5 mm
WeightDiffers	400 g	115 g
Other featuresidentical
Mac compatibilityKnown for one	Unknown — not stated by the source	Yes
Windows operating systems supportedKnown for one	Unknown — not stated by the source	Yes
Mac operating systems supportedKnown for one	Unknown — not stated by the source	Yes
Compliance certificatesKnown for one	RoHS	Unknown — not stated by the source
Packaging dataidentical
Quantity per packKnown for one	1 pc(s)	Unknown — not stated by the source
Logistics dataidentical
Harmonized System (HS) codeKnown for one	84717050	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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