Product comparison · 2 internal hard drives

Seagate Barracuda 7200.10 400GB Ultra ATA/100 vs Seagate Barracuda 7200.9 120 GB 7200 rpm SATA 3Gb/s

15specifications compared
7differ
8identical
15known for one product only

Key differences

The Seagate Barracuda 7200.10 400GB Ultra ATA/100 has 80 GB more HDD capacity than the Seagate Barracuda 7200.9 120 GB 7200 rpm SATA 3Gb/s (200 GB vs 120 GB). The Seagate Barracuda 7200.10 400GB Ultra ATA/100 has 14 MB more storage drive buffer size than the Seagate Barracuda 7200.9 120 GB 7200 rpm SATA 3Gb/s (16 MB vs 2 MB). The Seagate Barracuda 7200.9 120 GB 7200 rpm SATA 3Gb/s has 0.5 W more power consumption (standby) than the Seagate Barracuda 7200.10 400GB Ultra ATA/100 (1.30 W vs 0.8 W). Interface: Ultra-ATA/100 on the Seagate Barracuda 7200.10 400GB Ultra ATA/100, Serial ATA II on the Seagate Barracuda 7200.9 120 GB 7200 rpm SATA 3Gb/s.

HDD capacity
- Barracuda 7200.10 400GB Ultra ATA/100:200 GB
- Barracuda 7200.9 120 GB 7200 rpm SATA 3Gb/s:120 GB
Interface
- Barracuda 7200.10 400GB Ultra ATA/100:Ultra-ATA/100
- Barracuda 7200.9 120 GB 7200 rpm SATA 3Gb/s:Serial ATA II
Storage drive buffer size
- Barracuda 7200.10 400GB Ultra ATA/100:16 MB
- Barracuda 7200.9 120 GB 7200 rpm SATA 3Gb/s:2 MB
Power consumption (standby)
- Barracuda 7200.10 400GB Ultra ATA/100:0.8 W
- Barracuda 7200.9 120 GB 7200 rpm SATA 3Gb/s:1.30 W
Non-operating shock
- Barracuda 7200.10 400GB Ultra ATA/100:300 G
- Barracuda 7200.9 120 GB 7200 rpm SATA 3Gb/s:350 G
Weight
- Barracuda 7200.10 400GB Ultra ATA/100:635 g
- Barracuda 7200.9 120 GB 7200 rpm SATA 3Gb/s:580 g
Drive device, transfer rate
- Barracuda 7200.10 400GB Ultra ATA/100:100 MB/s
- Barracuda 7200.9 120 GB 7200 rpm SATA 3Gb/s:300 MB/s

Side by side

Differences highlightedShow differences only

Comparison of Barracuda 7200.10 400GB Ultra ATA/100, Barracuda 7200.9 120 GB 7200 rpm SATA 3Gb/s
30 specifications	A Seagate Barracuda 7200.10 400GB Ultra ATA/100 View product	B Seagate Barracuda 7200.9 120 GB 7200 rpm SATA 3Gb/s View product
Features3 differ
HDD capacityDiffers	200 GB	120 GB
InterfaceDiffers	Ultra-ATA/100	Serial ATA II
Storage drive buffer sizeDiffers	16 MB	2 MB
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
Read seek timeKnown for one	Unknown — not stated by the source	8 ms
Write seek timeKnown for one	Unknown — not stated by the source	9 ms
Power1 differ
Power consumption (standby)Differs	0.8 W	1.30 W
Start-up currentKnown for one	2.8 A	Unknown — not stated by the source
Operational conditions1 differ
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
Non-operating shockDiffers	300 G	350 G
Operating shockKnown for one	Unknown — not stated by the source	63 G
Weight & dimensions1 differ
WeightDiffers	635 g	580 g
Other features1 differ
Drive device, transfer rateDiffers	100 MB/s	300 MB/s
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
HDD transfer rateKnown for one	Unknown — not stated by the source	867.2 Mbit/s
External power adapterKnown for one	Unknown — not stated by the source	No
USB poweredKnown for one	Unknown — not stated by the source	No
Sustained data rateKnown for one	Unknown — not stated by the source	83 MB/s

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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