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 capacity	250 GB	250 GB
HDD speed	5400 RPM	5400 RPM
HDD sizeDiffers	1.8"	2.5"
Interface	Serial ATA	Serial ATA
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
Internal	Yes	Yes
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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