Product comparison · 2 internal hard drives

Seagate 2000GB 3.5" SATA II vs Seagate Momentus 5400.4 SATA 120GB

9specifications compared
9differ
0identical
17known for one product only

Key differences

HDD capacity
- 2000GB 3.5" SATA II:2 TB
- Momentus 5400.4 SATA 120GB:120 GB
HDD speed
- 2000GB 3.5" SATA II:5900 RPM
- Momentus 5400.4 SATA 120GB:5400 RPM
Interface
- 2000GB 3.5" SATA II:Serial ATA II
- Momentus 5400.4 SATA 120GB:Serial ATA
Storage drive buffer size
- 2000GB 3.5" SATA II:32 MB
- Momentus 5400.4 SATA 120GB:8 MB
Average latency
- 2000GB 3.5" SATA II:5.5 ms
- Momentus 5400.4 SATA 120GB:5.6 ms
Width
- 2000GB 3.5" SATA II:101.8 mm
- Momentus 5400.4 SATA 120GB:69.8 mm
Depth
- 2000GB 3.5" SATA II:147 mm
- Momentus 5400.4 SATA 120GB:100.2 mm
Height
- 2000GB 3.5" SATA II:26.1 mm
- Momentus 5400.4 SATA 120GB:9.5 mm

Side by side

Differences highlightedShow differences only

Comparison of 2000GB 3.5" SATA II, Momentus 5400.4 SATA 120GB
26 specifications	A Seagate 2000GB 3.5" SATA II View product	B Seagate Momentus 5400.4 SATA 120GB View product
Features5 differ
HDD capacityDiffers	2 TB	120 GB
HDD speedDiffers	5900 RPM	5400 RPM
HDD sizeKnown for one	3.5"	Unknown — not stated by the source
InterfaceDiffers	Serial ATA II	Serial ATA
TypeKnown for one	HDD	Unknown — not stated by the source
Storage drive buffer sizeDiffers	32 MB	8 MB
Average latencyDiffers	5.5 ms	5.6 ms
Bytes per sectorKnown for one	512	Unknown — not stated by the source
Start/stop cyclesKnown for one	50000	Unknown — not stated by the source
Component forKnown for one	Unknown — not stated by the source	Laptop
Read seek timeKnown for one	Unknown — not stated by the source	12 ms
Write seek timeKnown for one	Unknown — not stated by the source	14 ms
Poweridentical
Power consumption (typical)Known for one	6.8 W	Unknown — not stated by the source
Power consumption (idle)Known for one	5.5 W	Unknown — not stated by the source
Operating voltageKnown for one	5 / 12 V	Unknown — not stated by the source
Start-up currentKnown for one	2 A	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 60 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-40 - 70 °C	Unknown — not stated by the source
Operating shockKnown for one	70 G	Unknown — not stated by the source
Non-operating shockKnown for one	300 G	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	101.8 mm	69.8 mm
DepthDiffers	147 mm	100.2 mm
HeightDiffers	26.1 mm	9.5 mm
WeightDiffers	660 g	102 g
Other featuresidentical
Sustained data rateKnown for one	95 MB/s	Unknown — not stated by the source
InternalKnown for one	Unknown — not stated by the source	Yes

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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