Product comparison · 2 internal hard drives

Acer SAS 146GB 3,5" HDD, 10K RPM in carrier vs Samsung HM250JI- 250GB HDD

6specifications compared
5differ
1identical
21known for one product only

Key differences

The Samsung HM250JI- 250GB HDD has 104 GB more HDD capacity than the Acer SAS 146GB 3,5" HDD, 10K RPM in carrier (250 GB vs 146 GB). The Acer SAS 146GB 3,5" HDD, 10K RPM in carrier has 4,600 RPM more HDD speed than the Samsung HM250JI- 250GB HDD (10000 RPM vs 5400 RPM). The Acer SAS 146GB 3,5" HDD, 10K RPM in carrier has 1" more HDD size than the Samsung HM250JI- 250GB HDD (3.5" vs 2.5"). Interface: SAS on the Acer SAS 146GB 3,5" HDD, 10K RPM in carrier, Serial ATA on the Samsung HM250JI- 250GB HDD. Operating voltage: 5 / 12 V on the Acer SAS 146GB 3,5" HDD, 10K RPM in carrier, 5 V on the Samsung HM250JI- 250GB HDD.

HDD capacity
- SAS 146GB 3,5" HDD, 10K RPM in carrier:146 GB
- HM250JI- 250GB HDD:250 GB
HDD speed
- SAS 146GB 3,5" HDD, 10K RPM in carrier:10000 RPM
- HM250JI- 250GB HDD:5400 RPM
HDD size
- SAS 146GB 3,5" HDD, 10K RPM in carrier:3.5"
- HM250JI- 250GB HDD:2.5"
Interface
- SAS 146GB 3,5" HDD, 10K RPM in carrier:SAS
- HM250JI- 250GB HDD:Serial ATA
Operating voltage
- SAS 146GB 3,5" HDD, 10K RPM in carrier:5 / 12 V
- HM250JI- 250GB HDD:5 V

Side by side

Differences highlightedShow differences only

Comparison of SAS 146GB 3,5" HDD, 10K RPM in carrier, HM250JI- 250GB HDD
27 specifications	A Acer SAS 146GB 3,5" HDD, 10K RPM in carrier View product	B Samsung HM250JI- 250GB HDD View product
Features4 differ
HDD capacityDiffers	146 GB	250 GB
HDD speedDiffers	10000 RPM	5400 RPM
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	SAS	Serial ATA
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	8 MB
Full stroke seek timeKnown for one	Unknown — not stated by the source	22 ms
Track to track seek timeKnown for one	Unknown — not stated by the source	2 ms
Average seek timeKnown for one	Unknown — not stated by the source	12 ms
Average latencyKnown for one	Unknown — not stated by the source	5.6 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	5 / 12 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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