Product comparison · 2 internal hard drives

Seagate Barracuda ES.2 SATA 3.0-Gb/s 1-TB HD 5pk vs Seagate HDD Momentus 7200.3, 320GB, 7200rpm, SAT

12specifications compared
8differ
4identical
15known for one product only

Key differences

The Seagate HDD Momentus 7200.3, 320GB, 7200rpm, SAT has 2.5 ms more read seek time than the Seagate Barracuda ES.2 SATA 3.0-Gb/s 1-TB HD 5pk (11 ms vs 8.5 ms). The Seagate HDD Momentus 7200.3, 320GB, 7200rpm, SAT has 3.5 ms more write seek time than the Seagate Barracuda ES.2 SATA 3.0-Gb/s 1-TB HD 5pk (13 ms vs 9.5 ms). The Seagate HDD Momentus 7200.3, 320GB, 7200rpm, SAT has 0.01 ms more average latency than the Seagate Barracuda ES.2 SATA 3.0-Gb/s 1-TB HD 5pk (4.17 ms vs 4.16 ms). HDD capacity: 1 TB on the Seagate Barracuda ES.2 SATA 3.0-Gb/s 1-TB HD 5pk, 320 GB on the Seagate HDD Momentus 7200.3, 320GB, 7200rpm, SAT.

HDD capacity
- Barracuda ES.2 SATA 3.0-Gb/s 1-TB HD 5pk:1 TB
- HDD Momentus 7200.3, 320GB, 7200rpm, SAT:320 GB
Read seek time
- Barracuda ES.2 SATA 3.0-Gb/s 1-TB HD 5pk:8.5 ms
- HDD Momentus 7200.3, 320GB, 7200rpm, SAT:11 ms
Write seek time
- Barracuda ES.2 SATA 3.0-Gb/s 1-TB HD 5pk:9.5 ms
- HDD Momentus 7200.3, 320GB, 7200rpm, SAT:13 ms
Average latency
- Barracuda ES.2 SATA 3.0-Gb/s 1-TB HD 5pk:4.16 ms
- HDD Momentus 7200.3, 320GB, 7200rpm, SAT:4.17 ms
Width
- Barracuda ES.2 SATA 3.0-Gb/s 1-TB HD 5pk:101.6 mm
- HDD Momentus 7200.3, 320GB, 7200rpm, SAT:70 mm
Depth
- Barracuda ES.2 SATA 3.0-Gb/s 1-TB HD 5pk:147 mm
- HDD Momentus 7200.3, 320GB, 7200rpm, SAT:100.5 mm
Height
- Barracuda ES.2 SATA 3.0-Gb/s 1-TB HD 5pk:26.1 mm
- HDD Momentus 7200.3, 320GB, 7200rpm, SAT:9.5 mm
Weight
- Barracuda ES.2 SATA 3.0-Gb/s 1-TB HD 5pk:530 g
- HDD Momentus 7200.3, 320GB, 7200rpm, SAT:110 g

Side by side

Differences highlightedShow differences only

Comparison of Barracuda ES.2 SATA 3.0-Gb/s 1-TB HD 5pk, HDD Momentus 7200.3, 320GB, 7200rpm, SAT
27 specifications	A Seagate Barracuda ES.2 SATA 3.0-Gb/s 1-TB HD 5pk View product	B Seagate HDD Momentus 7200.3, 320GB, 7200rpm, SAT View product
Features4 differ
HDD capacityDiffers	1 TB	320 GB
HDD sizeKnown for one	3.5"	Unknown — not stated by the source
Storage drive buffer sizeKnown for one	32 MB	Unknown — not stated by the source
Read seek timeDiffers	8.5 ms	11 ms
Write seek timeDiffers	9.5 ms	13 ms
Track to track seek timeKnown for one	0.8 ms	Unknown — not stated by the source
Average latencyDiffers	4.16 ms	4.17 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
Component forKnown for one	Unknown — not stated by the source	Laptop
Poweridentical
Operating voltageKnown for one	5 / 12 V	Unknown — not stated by the source
Start-up currentKnown for one	Unknown — not stated by the source	1 A
Operational conditionsidentical
Operating temperature (T-T)Known for one	5 - 55 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-40 - 70 °C	Unknown — not stated by the source
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
Weight & dimensions4 differ
WidthDiffers	101.6 mm	70 mm
DepthDiffers	147 mm	100.5 mm
HeightDiffers	26.1 mm	9.5 mm
WeightDiffers	530 g	110 g
Other featuresidentical
HDD transfer rateKnown for one	1287 Mbit/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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