Product comparison · 2 internal hard drives

Seagate Barracuda 7200.11 SATA 3Gb/s 320-GB Hard Drive 25pk vs Seagate Momentus 7200.3 SATA 3Gb/s 250-GB 25pk

9specifications compared
7differ
2identical
17known for one product only

Key differences

The Seagate Barracuda 7200.11 SATA 3Gb/s 320-GB Hard Drive 25pk has 70 GB more HDD capacity than the Seagate Momentus 7200.3 SATA 3Gb/s 250-GB 25pk (320 GB vs 250 GB). The Seagate Momentus 7200.3 SATA 3Gb/s 250-GB 25pk has 0.01 ms more average latency than the Seagate Barracuda 7200.11 SATA 3Gb/s 320-GB Hard Drive 25pk (4.17 ms vs 4.16 ms). The Seagate Barracuda 7200.11 SATA 3Gb/s 320-GB Hard Drive 25pk has 31.6 mm more width than the Seagate Momentus 7200.3 SATA 3Gb/s 250-GB 25pk (101.6 mm vs 70 mm). Interface: Serial ATA II on the Seagate Barracuda 7200.11 SATA 3Gb/s 320-GB Hard Drive 25pk, Serial ATA on the Seagate Momentus 7200.3 SATA 3Gb/s 250-GB 25pk.

HDD capacity
- Barracuda 7200.11 SATA 3Gb/s 320-GB Hard Drive 25pk:320 GB
- Momentus 7200.3 SATA 3Gb/s 250-GB 25pk:250 GB
Interface
- Barracuda 7200.11 SATA 3Gb/s 320-GB Hard Drive 25pk:Serial ATA II
- Momentus 7200.3 SATA 3Gb/s 250-GB 25pk:Serial ATA
Average latency
- Barracuda 7200.11 SATA 3Gb/s 320-GB Hard Drive 25pk:4.16 ms
- Momentus 7200.3 SATA 3Gb/s 250-GB 25pk:4.17 ms
Width
- Barracuda 7200.11 SATA 3Gb/s 320-GB Hard Drive 25pk:101.6 mm
- Momentus 7200.3 SATA 3Gb/s 250-GB 25pk:70 mm
Depth
- Barracuda 7200.11 SATA 3Gb/s 320-GB Hard Drive 25pk:147 mm
- Momentus 7200.3 SATA 3Gb/s 250-GB 25pk:100.5 mm
Height
- Barracuda 7200.11 SATA 3Gb/s 320-GB Hard Drive 25pk:20 mm
- Momentus 7200.3 SATA 3Gb/s 250-GB 25pk:9.5 mm
Weight
- Barracuda 7200.11 SATA 3Gb/s 320-GB Hard Drive 25pk:380 g
- Momentus 7200.3 SATA 3Gb/s 250-GB 25pk:110 g

Side by side

Differences highlightedShow differences only

Comparison of Barracuda 7200.11 SATA 3Gb/s 320-GB Hard Drive 25pk, Momentus 7200.3 SATA 3Gb/s 250-GB 25pk
26 specifications	A Seagate Barracuda 7200.11 SATA 3Gb/s 320-GB Hard Drive 25pk View product	B Seagate Momentus 7200.3 SATA 3Gb/s 250-GB 25pk View product
Features3 differ
HDD capacityDiffers	320 GB	250 GB
HDD sizeKnown for one	3.5"	Unknown — not stated by the source
InterfaceDiffers	Serial ATA II	Serial ATA
Storage drive buffer sizeKnown for one	16 MB	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
Start/stop cyclesKnown for one	50000	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	750000 h	Unknown — not stated by the source
Component forKnown for one	Unknown — not stated by the source	Laptop
Read seek timeKnown for one	Unknown — not stated by the source	11 ms
Write seek timeKnown for one	Unknown — not stated by the source	13 ms
Poweridentical
Power consumption (standby)Known for one	8 W	Unknown — not stated by the source
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	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
Operating shockKnown for one	63 G	Unknown — not stated by the source
Non-operating shockKnown for one	350 G	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	101.6 mm	70 mm
DepthDiffers	147 mm	100.5 mm
HeightDiffers	20 mm	9.5 mm
WeightDiffers	380 g	110 g
Other featuresidentical
Sustained data rateKnown for one	115 MB/s	Unknown — not stated by the source
Data transfer rateKnown for one	Unknown — not stated by the source	3 Gbit/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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