Product comparison · 2 internal hard drives

Seagate Barracuda 7200.9, 80GB, 3 pack vs Seagate Momentus 4200.2 30 GB Ultra ATA/100

11specifications compared
8differ
3identical
14known for one product only

Key differences

The Seagate Barracuda 7200.9, 80GB, 3 pack has 50 GB more HDD capacity than the Seagate Momentus 4200.2 30 GB Ultra ATA/100 (80 GB vs 30 GB). The Seagate Barracuda 7200.9, 80GB, 3 pack has 3,000 RPM more HDD speed than the Seagate Momentus 4200.2 30 GB Ultra ATA/100 (7200 RPM vs 4200 RPM). The Seagate Momentus 4200.2 30 GB Ultra ATA/100 has 1.44 ms more average latency than the Seagate Barracuda 7200.9, 80GB, 3 pack (5.6 ms vs 4.16 ms). Operating temperature (T-T): 0 - 60 °C on the Seagate Barracuda 7200.9, 80GB, 3 pack, 5 - 55 °C on the Seagate Momentus 4200.2 30 GB Ultra ATA/100.

HDD capacity
- Barracuda 7200.9, 80GB, 3 pack:80 GB
- Momentus 4200.2 30 GB Ultra ATA/100:30 GB
HDD speed
- Barracuda 7200.9, 80GB, 3 pack:7200 RPM
- Momentus 4200.2 30 GB Ultra ATA/100:4200 RPM
Average latency
- Barracuda 7200.9, 80GB, 3 pack:4.16 ms
- Momentus 4200.2 30 GB Ultra ATA/100:5.6 ms
Operating temperature (T-T)
- Barracuda 7200.9, 80GB, 3 pack:0 - 60 °C
- Momentus 4200.2 30 GB Ultra ATA/100:5 - 55 °C
Width
- Barracuda 7200.9, 80GB, 3 pack:101 mm
- Momentus 4200.2 30 GB Ultra ATA/100:69.8 mm
Depth
- Barracuda 7200.9, 80GB, 3 pack:146 mm
- Momentus 4200.2 30 GB Ultra ATA/100:100.2 mm
Height
- Barracuda 7200.9, 80GB, 3 pack:26 mm
- Momentus 4200.2 30 GB Ultra ATA/100:9.5 mm
Weight
- Barracuda 7200.9, 80GB, 3 pack:580 g
- Momentus 4200.2 30 GB Ultra ATA/100:100 g

Side by side

Differences highlightedShow differences only

Comparison of Barracuda 7200.9, 80GB, 3 pack, Momentus 4200.2 30 GB Ultra ATA/100
25 specifications	A Seagate Barracuda 7200.9, 80GB, 3 pack View product	B Seagate Momentus 4200.2 30 GB Ultra ATA/100 View product
Features3 differ
HDD capacityDiffers	80 GB	30 GB
HDD speedDiffers	7200 RPM	4200 RPM
HDD sizeKnown for one	3.5"	Unknown — not stated by the source
Interface	Ultra-ATA/100	Ultra-ATA/100
Storage drive buffer size	2 MB	2 MB
Average latencyDiffers	4.16 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
Average seek timeKnown for one	Unknown — not stated by the source	12.5 ms
Poweridentical
Power consumption (PowerSave)Known for one	7.2 W	Unknown — not stated by the source
Operating voltageKnown for one	5 / 12 V	Unknown — not stated by the source
Operational conditions1 differ
Operating temperature (T-T)Differs	0 - 60 °C	5 - 55 °C
Storage temperature (T-T)Known for one	-40 - 70 °C	Unknown — not stated by the source
Operating shockKnown for one	63 G	Unknown — not stated by the source
Non-operating shockKnown for one	350 G	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	101 mm	69.8 mm
DepthDiffers	146 mm	100.2 mm
HeightDiffers	26 mm	9.5 mm
WeightDiffers	580 g	100 g
Other featuresidentical
Drive device, transfer rateKnown for one	100 MB/s	Unknown — not stated by the source
Internal	Yes	Yes
Acoustic pressure emissionsKnown for one	3.4 dB	Unknown — not stated by the source
HDD transfer rateKnown for one	Unknown — not stated by the source	100 Mbit/s
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	69.85 x 100.2 x 9.5 mm

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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