Product comparison · 2 internal hard drives

Seagate Momentus 7200.3 250GB vs Seagate Momentus 7200.3 320GB

29specifications compared
2differ
27identical
6known for one product only

Key differences

HDD capacity
- Momentus 7200.3 250GB:250 GB
- Momentus 7200.3 320GB:320 GB
HDD number of heads
- Momentus 7200.3 250GB:3
- Momentus 7200.3 320GB:4

Side by side

Differences highlightedShow differences only

Comparison of Momentus 7200.3 250GB, Momentus 7200.3 320GB
35 specifications	A Seagate Momentus 7200.3 250GB View product	B Seagate Momentus 7200.3 320GB View product
Features2 differ
HDD capacityDiffers	250 GB	320 GB
HDD speed	7200 RPM	7200 RPM
HDD size	2.5"	2.5"
Interface	Serial ATA	Serial ATA
TypeKnown for one	Unknown — not stated by the source	HDD
Component for	Laptop	Laptop
Storage drive buffer size	16 MB	16 MB
HDD number of headsDiffers	3	4
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
Average latency	4.17 ms	4.17 ms
Bytes per sector	512	512
Start/stop cycles	600000	600000
Mean time between failures (MTBF)	500000 h	500000 h
Poweridentical
Power consumption (standby)	0.21 W	0.21 W
Power consumption (idle)	0.75 W	0.75 W
Power consumption (read)	2.1 W	2.1 W
Power consumption (write)	2.1 W	2.1 W
Operating voltage	5 V	5 V
Start-up currentKnown for one	Unknown — not stated by the source	1 A
Operational conditionsidentical
Operating temperature (T-T)	0 - 60 °C	0 - 60 °C
Storage temperature (T-T)	-40 - 70 °C	-40 - 70 °C
Operating shock	350 G	350 G
Non-operating shock	1000 G	1000 G
Weight & dimensionsidentical
Width	69.8 mm	69.8 mm
Depth	100.5 mm	100.5 mm
Height	9.5 mm	9.5 mm
Weight	110 g	110 g
Other featuresidentical
Data transfer rate	3 Gbit/s	3 Gbit/s
Disks included quantity	2 pc(s)	2 pc(s)
Drive device, transfer rateKnown for one	Unknown — not stated by the source	80 MB/s
Internal	Yes	Yes
Maximum data transfer rate	300 Mbit/s	300 Mbit/s
Acoustic pressure emissions	2.3 dB	2.3 dB
HDD transfer rateKnown for one	80 Mbit/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.

More internal hard drive comparisons

All internal hard drive comparisons