Product comparison · 2 internal hard drives

Acer Hard Disk 250GB vs Samsung Spinpoint M HM250JI internal hard drive

6specifications compared
2differ
4identical
21known for one product only

Key differences

HDD size
- Hard Disk 250GB:1.8"
- Spinpoint M HM250JI internal hard drive:2.5"
Operating voltage
- Hard Disk 250GB:3.3 V
- Spinpoint M HM250JI internal hard drive:5 V

Side by side

Differences highlightedShow differences only

Comparison of Hard Disk 250GB, HM250JI
27 specifications	A Acer Hard Disk 250GB View product	B Samsung Spinpoint M HM250JI internal hard drive Model HM250JI View product
Features1 differ
HDD sizeDiffers	1.8"	2.5"
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	8 MB
Read seek timeKnown for one	Unknown — not stated by the source	5.6 ms
Full stroke seek timeKnown for one	Unknown — not stated by the source	22 ms
Average seek timeKnown for one	Unknown — not stated by the source	12 ms
Average latencyKnown for one	Unknown — not stated by the source	2 ms
Bytes per sectorKnown for one	Unknown — not stated by the source	512
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	330000 h
Power1 differ
Power consumption (typical)Known for one	Unknown — not stated by the source	2 W
Power consumption (standby)Known for one	Unknown — not stated by the source	0.25 W
Power consumption (PowerSave)Known for one	Unknown — not stated by the source	0.20 W
Operating voltageDiffers	3.3 V	5 V
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	5 - 55 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-40 - 70 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 90%
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
Operating altitudeKnown for one	Unknown — not stated by the source	-300 - 3000 m
Non-operating altitudeKnown for one	Unknown — not stated by the source	-300 - 15000 m
Operating shockKnown for one	Unknown — not stated by the source	325 G
Non-operating shockKnown for one	Unknown — not stated by the source	1000 G
Other featuresidentical
Power requirementsKnown for one	Unknown — not stated by the source	+5V
Drive ready timeKnown for one	Unknown — not stated by the source	3.5 s
Acoustic pressure emissionsKnown for one	Unknown — not stated by the source	2.4 dB

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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