Product comparison · 2 internal hard drives

Seagate Barracuda 7200.10 400GB Ultra ATA/100 vs Seagate Momentus 5400.3 120GB SATA 5400RPM 25pk

18specifications compared
15differ
3identical
12known for one product only

Key differences

The Seagate Barracuda 7200.10 400GB Ultra ATA/100 has 80 GB more HDD capacity than the Seagate Momentus 5400.3 120GB SATA 5400RPM 25pk (200 GB vs 120 GB). The Seagate Barracuda 7200.10 400GB Ultra ATA/100 has 1,800 RPM more HDD speed than the Seagate Momentus 5400.3 120GB SATA 5400RPM 25pk (7200 RPM vs 5400 RPM). The Seagate Barracuda 7200.10 400GB Ultra ATA/100 has 1" more HDD size than the Seagate Momentus 5400.3 120GB SATA 5400RPM 25pk (3.5" vs 2.5"). Interface: Ultra-ATA/100 on the Seagate Barracuda 7200.10 400GB Ultra ATA/100, Serial ATA on the Seagate Momentus 5400.3 120GB SATA 5400RPM 25pk. Operating voltage: 5 / 12 V on the Seagate Barracuda 7200.10 400GB Ultra ATA/100, 5 V on the Seagate Momentus 5400.3 120GB SATA 5400RPM 25pk.

HDD capacity
- Barracuda 7200.10 400GB Ultra ATA/100:200 GB
- Momentus 5400.3 120GB SATA 5400RPM 25pk:120 GB
HDD speed
- Barracuda 7200.10 400GB Ultra ATA/100:7200 RPM
- Momentus 5400.3 120GB SATA 5400RPM 25pk:5400 RPM
HDD size
- Barracuda 7200.10 400GB Ultra ATA/100:3.5"
- Momentus 5400.3 120GB SATA 5400RPM 25pk:2.5"
Interface
- Barracuda 7200.10 400GB Ultra ATA/100:Ultra-ATA/100
- Momentus 5400.3 120GB SATA 5400RPM 25pk:Serial ATA
Storage drive buffer size
- Barracuda 7200.10 400GB Ultra ATA/100:16 MB
- Momentus 5400.3 120GB SATA 5400RPM 25pk:8 MB
Average latency
- Barracuda 7200.10 400GB Ultra ATA/100:4.16 ms
- Momentus 5400.3 120GB SATA 5400RPM 25pk:5.6 ms
Power consumption (standby)
- Barracuda 7200.10 400GB Ultra ATA/100:0.8 W
- Momentus 5400.3 120GB SATA 5400RPM 25pk:0.2 W
Operating voltage
- Barracuda 7200.10 400GB Ultra ATA/100:5 / 12 V
- Momentus 5400.3 120GB SATA 5400RPM 25pk:5 V

Side by side

Differences highlightedShow differences only

Comparison of Barracuda 7200.10 400GB Ultra ATA/100, Momentus 5400.3 120GB SATA 5400RPM 25pk
30 specifications	A Seagate Barracuda 7200.10 400GB Ultra ATA/100 View product	B Seagate Momentus 5400.3 120GB SATA 5400RPM 25pk View product
Features6 differ
HDD capacityDiffers	200 GB	120 GB
HDD speedDiffers	7200 RPM	5400 RPM
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	Ultra-ATA/100	Serial ATA
Component forKnown for one	Unknown — not stated by the source	Laptop
Storage drive buffer sizeDiffers	16 MB	8 MB
Average seek timeKnown for one	Unknown — not stated by the source	12.5 ms
Average latencyDiffers	4.16 ms	5.6 ms
HDD number of headsKnown for one	5	Unknown — not stated by the source
Track to track seek timeKnown for one	8.5 ms	Unknown — not stated by the source
Bytes per sectorKnown for one	512	Unknown — not stated by the source
Power3 differ
Power consumption (standby)Differs	0.8 W	0.2 W
Operating voltageDiffers	5 / 12 V	5 V
Start-up currentDiffers	2.8 A	1 A
Operational conditions1 differ
Operating shockKnown for one	Unknown — not stated by the source	350 G
Non-operating shockDiffers	300 G	900 G
Weight & dimensions4 differ
WidthDiffers	101.6 mm	69.8 mm
DepthDiffers	147 mm	100.2 mm
HeightDiffers	26.1 mm	9.5 mm
WeightDiffers	635 g	102 g
Other features1 differ
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	69.85 x 100.2 x 9.5 mm
Drive device, transfer rateDiffers	100 MB/s	150 MB/s
External power adapterKnown for one	Unknown — not stated by the source	No
Mac compatibilityKnown for one	Unknown — not stated by the source	No
USB poweredKnown for one	Unknown — not stated by the source	No
Compatible productsKnown for one	PCs	Unknown — not stated by the source
Acoustic pressure emissionsKnown for one	2.7 dB	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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