Product comparison · 2 internal hard drives

Seagate Barracuda ES.2 SATA 3.0-Gb/s 1-TB HD 5pk vs Seagate Momentus 7200.3 250GB

20specifications compared
14differ
6identical
15known for one product only

Key differences

HDD capacity
- Barracuda ES.2 SATA 3.0-Gb/s 1-TB HD 5pk:1 TB
- Momentus 7200.3 250GB:250 GB
HDD size
- Barracuda ES.2 SATA 3.0-Gb/s 1-TB HD 5pk:3.5"
- Momentus 7200.3 250GB:2.5"
Storage drive buffer size
- Barracuda ES.2 SATA 3.0-Gb/s 1-TB HD 5pk:32 MB
- Momentus 7200.3 250GB:16 MB
Average latency
- Barracuda ES.2 SATA 3.0-Gb/s 1-TB HD 5pk:4.16 ms
- Momentus 7200.3 250GB:4.17 ms
Mean time between failures (MTBF)
- Barracuda ES.2 SATA 3.0-Gb/s 1-TB HD 5pk:1200000 h
- Momentus 7200.3 250GB:500000 h
Operating voltage
- Barracuda ES.2 SATA 3.0-Gb/s 1-TB HD 5pk:5 / 12 V
- Momentus 7200.3 250GB:5 V
Operating temperature (T-T)
- Barracuda ES.2 SATA 3.0-Gb/s 1-TB HD 5pk:5 - 55 °C
- Momentus 7200.3 250GB:0 - 60 °C
Operating shock
- Barracuda ES.2 SATA 3.0-Gb/s 1-TB HD 5pk:63 G
- Momentus 7200.3 250GB:350 G

Side by side

Differences highlightedShow differences only

Comparison of Barracuda ES.2 SATA 3.0-Gb/s 1-TB HD 5pk, Momentus 7200.3 250GB
35 specifications	A Seagate Barracuda ES.2 SATA 3.0-Gb/s 1-TB HD 5pk View product	B Seagate Momentus 7200.3 250GB View product
Features5 differ
HDD capacityDiffers	1 TB	250 GB
HDD speed	7200 RPM	7200 RPM
HDD sizeDiffers	3.5"	2.5"
Interface	Serial ATA	Serial ATA
Component forKnown for one	Unknown — not stated by the source	Laptop
Storage drive buffer sizeDiffers	32 MB	16 MB
HDD number of headsKnown for one	Unknown — not stated by the source	3
Average latencyDiffers	4.16 ms	4.17 ms
Bytes per sector	512	512
Start/stop cyclesKnown for one	Unknown — not stated by the source	600000
Mean time between failures (MTBF)Differs	1200000 h	500000 h
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
Power1 differ
Power consumption (standby)Known for one	Unknown — not stated by the source	0.21 W
Power consumption (idle)Known for one	Unknown — not stated by the source	0.75 W
Power consumption (read)Known for one	Unknown — not stated by the source	2.1 W
Power consumption (write)Known for one	Unknown — not stated by the source	2.1 W
Operating voltageDiffers	5 / 12 V	5 V
Operational conditions3 differ
Operating temperature (T-T)Differs	5 - 55 °C	0 - 60 °C
Storage temperature (T-T)	-40 - 70 °C	-40 - 70 °C
Operating shockDiffers	63 G	350 G
Non-operating shockDiffers	300 G	1000 G
Weight & dimensions4 differ
WidthDiffers	101.6 mm	69.8 mm
DepthDiffers	147 mm	100.5 mm
HeightDiffers	26.1 mm	9.5 mm
WeightDiffers	530 g	110 g
Other features1 differ
HDD transfer rateDiffers	1287 Mbit/s	80 Mbit/s
Data transfer rate	3 Gbit/s	3 Gbit/s
Disks included quantityKnown for one	Unknown — not stated by the source	2 pc(s)
Internal	Yes	Yes
Maximum data transfer rateKnown for one	Unknown — not stated by the source	300 Mbit/s
Acoustic pressure emissionsKnown for one	Unknown — not stated by the source	2.3 dB
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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