Product comparison · 2 internal hard drives

Seagate 2000GB 3.5" SATA II vs Seagate Momentus 5400RPM 500GB 8M SATA 3Gb/s NCQ

15specifications compared
11differ
4identical
22known for one product only

Key differences

The Seagate 2000GB 3.5" SATA II has 500 RPM more HDD speed than the Seagate Momentus 5400RPM 500GB 8M SATA 3Gb/s NCQ (5900 RPM vs 5400 RPM). The Seagate 2000GB 3.5" SATA II has 24 MB more storage drive buffer size than the Seagate Momentus 5400RPM 500GB 8M SATA 3Gb/s NCQ (32 MB vs 8 MB). The Seagate Momentus 5400RPM 500GB 8M SATA 3Gb/s NCQ has 0.06 ms more average latency than the Seagate 2000GB 3.5" SATA II (5.56 ms vs 5.5 ms). HDD capacity: 2 TB on the Seagate 2000GB 3.5" SATA II, 500 GB on the Seagate Momentus 5400RPM 500GB 8M SATA 3Gb/s NCQ.

HDD capacity
- 2000GB 3.5" SATA II:2 TB
- Momentus 5400RPM 500GB 8M SATA 3Gb/s NCQ:500 GB
HDD speed
- 2000GB 3.5" SATA II:5900 RPM
- Momentus 5400RPM 500GB 8M SATA 3Gb/s NCQ:5400 RPM
Storage drive buffer size
- 2000GB 3.5" SATA II:32 MB
- Momentus 5400RPM 500GB 8M SATA 3Gb/s NCQ:8 MB
Average latency
- 2000GB 3.5" SATA II:5.5 ms
- Momentus 5400RPM 500GB 8M SATA 3Gb/s NCQ:5.56 ms
Power consumption (typical)
- 2000GB 3.5" SATA II:6.8 W
- Momentus 5400RPM 500GB 8M SATA 3Gb/s NCQ:1.54 W
Operating shock
- 2000GB 3.5" SATA II:70 G
- Momentus 5400RPM 500GB 8M SATA 3Gb/s NCQ:350 G
Non-operating shock
- 2000GB 3.5" SATA II:300 G
- Momentus 5400RPM 500GB 8M SATA 3Gb/s NCQ:800 G
Width
- 2000GB 3.5" SATA II:101.8 mm
- Momentus 5400RPM 500GB 8M SATA 3Gb/s NCQ:69.8 mm

Side by side

Differences highlightedShow differences only

Comparison of 2000GB 3.5" SATA II, Momentus 5400RPM 500GB 8M SATA 3Gb/s NCQ
37 specifications	A Seagate 2000GB 3.5" SATA II View product	B Seagate Momentus 5400RPM 500GB 8M SATA 3Gb/s NCQ View product
Features4 differ
HDD capacityDiffers	2 TB	500 GB
HDD speedDiffers	5900 RPM	5400 RPM
Interface	Serial ATA II	Serial ATA II
Component forKnown for one	Unknown — not stated by the source	Laptop
Storage drive buffer sizeDiffers	32 MB	8 MB
HDD number of headsKnown for one	Unknown — not stated by the source	4
Read seek timeKnown for one	Unknown — not stated by the source	14 ms
Track to track seek timeKnown for one	Unknown — not stated by the source	1 ms
Average latencyDiffers	5.5 ms	5.56 ms
Bytes per sector	512	512
HDD sizeKnown for one	3.5"	Unknown — not stated by the source
TypeKnown for one	HDD	Unknown — not stated by the source
Start/stop cyclesKnown for one	50000	Unknown — not stated by the source
Power1 differ
Power consumption (typical)Differs	6.8 W	1.54 W
Power consumption (standby)Known for one	Unknown — not stated by the source	0.22 W
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 conditions2 differ
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%
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 Gs
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 shockDiffers	70 G	350 G
Non-operating shockDiffers	300 G	800 G
Weight & dimensions4 differ
WidthDiffers	101.8 mm	69.8 mm
DepthDiffers	147 mm	100.3 mm
HeightDiffers	26.1 mm	9.5 mm
WeightDiffers	660 g	98.8 g
Other featuresidentical
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	69.85 x 100.33 x 9.5 mm
InternalKnown for one	Unknown — not stated by the source	Yes
Recording densityKnown for one	Unknown — not stated by the source	1490 kbit/inch
Track densityKnown for one	Unknown — not stated by the source	265
Sustained data rateKnown for one	95 MB/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.

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