Product comparison · 2 internal hard drives

Seagate Barracuda ES.2 SATA 3.0-Gb/s 250-GB HD 20pk vs Seagate EE25.2 Series™ 2.5-inch HD 30GB SATA

14specifications compared
12differ
2identical
15known for one product only

Key differences

The Seagate Barracuda ES.2 SATA 3.0-Gb/s 250-GB HD 20pk has 220 GB more HDD capacity than the Seagate EE25.2 Series™ 2.5-inch HD 30GB SATA (250 GB vs 30 GB). The Seagate Barracuda ES.2 SATA 3.0-Gb/s 250-GB HD 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 ES.2 SATA 3.0-Gb/s 250-GB HD 20pk has 1" more HDD size than the Seagate EE25.2 Series™ 2.5-inch HD 30GB SATA (3.5" vs 2.5"). Operating voltage: 5 / 12 V on the Seagate Barracuda ES.2 SATA 3.0-Gb/s 250-GB HD 20pk, 5 V on the Seagate EE25.2 Series™ 2.5-inch HD 30GB SATA. Operating temperature (T-T): 5 - 55 °C on the Seagate Barracuda ES.2 SATA 3.0-Gb/s 250-GB HD 20pk, 30 - 85 °C on the Seagate EE25.2 Series™ 2.5-inch HD 30GB SATA.

HDD capacity
- Barracuda ES.2 SATA 3.0-Gb/s 250-GB HD 20pk:250 GB
- EE25.2 Series™ 2.5-inch HD 30GB SATA:30 GB
HDD speed
- Barracuda ES.2 SATA 3.0-Gb/s 250-GB HD 20pk:7200 RPM
- EE25.2 Series™ 2.5-inch HD 30GB SATA:5400 RPM
HDD size
- Barracuda ES.2 SATA 3.0-Gb/s 250-GB HD 20pk:3.5"
- EE25.2 Series™ 2.5-inch HD 30GB SATA:2.5"
Storage drive buffer size
- Barracuda ES.2 SATA 3.0-Gb/s 250-GB HD 20pk:16 MB
- EE25.2 Series™ 2.5-inch HD 30GB SATA:8 MB
Average latency
- Barracuda ES.2 SATA 3.0-Gb/s 250-GB HD 20pk:4.16 ms
- EE25.2 Series™ 2.5-inch HD 30GB SATA:5.5 ms
Operating voltage
- Barracuda ES.2 SATA 3.0-Gb/s 250-GB HD 20pk:5 / 12 V
- EE25.2 Series™ 2.5-inch HD 30GB SATA:5 V
Operating temperature (T-T)
- Barracuda ES.2 SATA 3.0-Gb/s 250-GB HD 20pk:5 - 55 °C
- EE25.2 Series™ 2.5-inch HD 30GB SATA:30 - 85 °C
Storage temperature (T-T)
- Barracuda ES.2 SATA 3.0-Gb/s 250-GB HD 20pk:-40 - 70 °C
- EE25.2 Series™ 2.5-inch HD 30GB SATA:40 - 95 °C

Side by side

Differences highlightedShow differences only

Comparison of Barracuda ES.2 SATA 3.0-Gb/s 250-GB HD 20pk, EE25.2 Series™ 2.5-inch HD 30GB SATA
29 specifications	A Seagate Barracuda ES.2 SATA 3.0-Gb/s 250-GB HD 20pk View product	B Seagate EE25.2 Series™ 2.5-inch HD 30GB SATA View product
Features5 differ
HDD capacityDiffers	250 GB	30 GB
HDD speedDiffers	7200 RPM	5400 RPM
HDD sizeDiffers	3.5"	2.5"
Storage drive buffer sizeDiffers	16 MB	8 MB
Read seek timeKnown for one	8.5 ms	Unknown — not stated by the source
Write seek timeKnown for one	9.5 ms	Unknown — not stated by the source
Track to track seek timeKnown for one	0.8 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
Mean time between failures (MTBF)Known for one	1200000 h	Unknown — not stated by the source
Average seek timeKnown for one	Unknown — not stated by the source	11 ms
Power1 differ
Operating voltageDiffers	5 / 12 V	5 V
Operational conditions2 differ
Operating temperature (T-T)Differs	5 - 55 °C	30 - 85 °C
Storage temperature (T-T)Differs	-40 - 70 °C	40 - 95 °C
Operating shockKnown for one	63 G	Unknown — not stated by the source
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	20 mm	9.5 mm
WeightDiffers	362 g	102 g
Other featuresidentical
HDD transfer rateKnown for one	1287 Mbit/s	Unknown — not stated by the source
Data transfer rateKnown for one	3 Gbit/s	Unknown — not stated by the source
USB poweredKnown for one	No	Unknown — not stated by the source
Sustained data rateKnown for one	105 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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