Product comparison · 2 internal hard drives

Seagate EE25 Series ST930814SM internal hard drive vs Seagate EE25 Series ST940813SM internal hard drive

Key differences

HDD capacity
- EE25 Series ST930814SM internal hard drive:30 GB
- EE25 Series ST940813SM internal hard drive:40 GB

Differences highlightedShow differences only

Comparison of ST930814SM, ST940813SM
23 specifications	A Seagate EE25 Series ST930814SM internal hard drive Model ST930814SM View product	B Seagate EE25 Series ST940813SM internal hard drive Model ST940813SM View product
Features1 differ
HDD capacityDiffers	30 GB	40 GB
HDD speed	5400 RPM	5400 RPM
HDD size	2.5"	2.5"
Interface	Serial ATA	Serial ATA
Storage drive buffer size	8 MB	8 MB
Read seek time	12.5 ms	12.5 ms
Write seek time	14.5 ms	14.5 ms
Average latency	5.6 ms	5.6 ms
Mean time between failures (MTBF)	550000 h	550000 h
Poweridentical
Power consumption (standby)	0.26 W	0.26 W
Operating voltage	5 V	5 V
Operational conditionsidentical
Operating temperature (T-T)	-30 - 85 °C	-30 - 85 °C
Storage temperature (T-T)	-40 - 95 °C	-40 - 95 °C
Operating relative humidity (H-H)	5 - 95%	5 - 95%
Storage relative humidity (H-H)	5 - 95%	5 - 95%
Operating altitude	-304.8 - 4419 m	-304.8 - 4419 m
Non-operating altitude	-304.8 - 12192 m	-304.8 - 12192 m
Operating shock	200 G	200 G
Non-operating shock	800 G	800 G
Weight & dimensionsidentical
Weight	100 g	100 g
Other featuresidentical
Dimensions (WxDxH)	69.85 x 100.2 x 9.5 mm	69.85 x 100.2 x 9.5 mm
Internal	Yes	Yes
Acoustic pressure emissions	2.3 dB	2.3 dB

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