Product comparison · 2 internal hard drives

Seagate Barracuda 7200.10 80GB SATA 3Gb/s NCQ 20pk vs Seagate EE25.2 Series™ 2.5-inch HD 30GB SATA

14specifications compared
13differ
1identical
13known for one product only

Key differences

The Seagate Barracuda 7200.10 80GB SATA 3Gb/s NCQ 20pk has 50 GB more HDD capacity than the Seagate EE25.2 Series™ 2.5-inch HD 30GB SATA (80 GB vs 30 GB). The Seagate Barracuda 7200.10 80GB SATA 3Gb/s NCQ 20pk has 1,800 RPM more HDD speed than the Seagate EE25.2 Series™ 2.5-inch HD 30GB SATA (7200 RPM vs 5400 RPM). The Seagate Barracuda 7200.10 80GB SATA 3Gb/s NCQ 20pk has 1" more HDD size than the Seagate EE25.2 Series™ 2.5-inch HD 30GB SATA (3.5" vs 2.5"). Interface: Serial ATA II on the Seagate Barracuda 7200.10 80GB SATA 3Gb/s NCQ 20pk, Serial ATA on the Seagate EE25.2 Series™ 2.5-inch HD 30GB SATA. Operating voltage: 5 / 12 V on the Seagate Barracuda 7200.10 80GB SATA 3Gb/s NCQ 20pk, 5 V on the Seagate EE25.2 Series™ 2.5-inch HD 30GB SATA.

HDD capacity
- Barracuda 7200.10 80GB SATA 3Gb/s NCQ 20pk:80 GB
- EE25.2 Series™ 2.5-inch HD 30GB SATA:30 GB
HDD speed
- Barracuda 7200.10 80GB SATA 3Gb/s NCQ 20pk:7200 RPM
- EE25.2 Series™ 2.5-inch HD 30GB SATA:5400 RPM
HDD size
- Barracuda 7200.10 80GB SATA 3Gb/s NCQ 20pk:3.5"
- EE25.2 Series™ 2.5-inch HD 30GB SATA:2.5"
Interface
- Barracuda 7200.10 80GB SATA 3Gb/s NCQ 20pk:Serial ATA II
- EE25.2 Series™ 2.5-inch HD 30GB SATA:Serial ATA
Storage drive buffer size
- Barracuda 7200.10 80GB SATA 3Gb/s NCQ 20pk:2 MB
- EE25.2 Series™ 2.5-inch HD 30GB SATA:8 MB
Average latency
- Barracuda 7200.10 80GB SATA 3Gb/s NCQ 20pk:4.16 ms
- EE25.2 Series™ 2.5-inch HD 30GB SATA:5.5 ms
Operating voltage
- Barracuda 7200.10 80GB SATA 3Gb/s NCQ 20pk:5 / 12 V
- EE25.2 Series™ 2.5-inch HD 30GB SATA:5 V
Operating temperature (T-T)
- Barracuda 7200.10 80GB SATA 3Gb/s NCQ 20pk:0 - 60 °C
- EE25.2 Series™ 2.5-inch HD 30GB SATA:30 - 85 °C

Side by side

Differences highlightedShow differences only

Comparison of Barracuda 7200.10 80GB SATA 3Gb/s NCQ 20pk, EE25.2 Series™ 2.5-inch HD 30GB SATA
27 specifications	A Seagate Barracuda 7200.10 80GB SATA 3Gb/s NCQ 20pk View product	B Seagate EE25.2 Series™ 2.5-inch HD 30GB SATA View product
Features6 differ
HDD capacityDiffers	80 GB	30 GB
HDD speedDiffers	7200 RPM	5400 RPM
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	Serial ATA II	Serial ATA
Storage drive buffer sizeDiffers	2 MB	8 MB
HDD number of headsKnown for one	1	Unknown — not stated by the source
Track to track seek timeKnown for one	8.5 ms	Unknown — not stated by the source
Average latencyDiffers	4.16 ms	5.5 ms
Bytes per sectorKnown for one	512	Unknown — not stated by the source
Average seek timeKnown for one	Unknown — not stated by the source	11 ms
Power1 differ
Power consumption (standby)Known for one	0.8 W	Unknown — not stated by the source
Operating voltageDiffers	5 / 12 V	5 V
Start-up currentKnown for one	2.8 A	Unknown — not stated by the source
Operational conditions2 differ
Operating temperature (T-T)Differs	0 - 60 °C	30 - 85 °C
Storage temperature (T-T)Differs	-40 - 70 °C	40 - 95 °C
Non-operating shockKnown for one	300 G	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 90%
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
Non-operating altitudeKnown for one	Unknown — not stated by the source	15000
Weight & dimensions4 differ
WidthDiffers	101.6 mm	69.8 mm
DepthDiffers	147 mm	100.2 mm
HeightDiffers	26.1 mm	9.5 mm
WeightDiffers	356 g	102 g
Other featuresidentical
Data transfer rateKnown for one	3 Gbit/s	Unknown — not stated by the source
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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