Product comparison · 2 internal hard drives

Samsung 250GB SATA II HDD vs Samsung SpinPoint F1 HA751LJ internal hard drive

23specifications compared
7differ
16identical
11known for one product only

Key differences

HDD capacity
- 250GB SATA II HDD:250 GB
- SpinPoint F1 HA751LJ internal hard drive:750 GB
Interface
- 250GB SATA II HDD:Serial ATA II
- SpinPoint F1 HA751LJ internal hard drive:Serial ATA
Storage drive buffer size
- 250GB SATA II HDD:16 MB
- SpinPoint F1 HA751LJ internal hard drive:32 MB
Power consumption (standby)
- 250GB SATA II HDD:1.13 W
- SpinPoint F1 HA751LJ internal hard drive:0.7 W
Power consumption (PowerSave)
- 250GB SATA II HDD:0.76 W
- SpinPoint F1 HA751LJ internal hard drive:0.7 W
Non-operating shock
- 250GB SATA II HDD:350 G
- SpinPoint F1 HA751LJ internal hard drive:300 G
Weight
- 250GB SATA II HDD:470 g
- SpinPoint F1 HA751LJ internal hard drive:650 g

Side by side

Differences highlightedShow differences only

Comparison of 250GB SATA II HDD, HA751LJ
34 specifications	A Samsung 250GB SATA II HDD View product	B Samsung SpinPoint F1 HA751LJ internal hard drive Model HA751LJ View product
Features3 differ
HDD capacityDiffers	250 GB	750 GB
HDD speed	7200 RPM	7200 RPM
HDD sizeKnown for one	3.5"	Unknown — not stated by the source
InterfaceDiffers	Serial ATA II	Serial ATA
Storage drive buffer sizeDiffers	16 MB	32 MB
Average seek time	8.9 ms	8.9 ms
Average latency	4.17 ms	4.17 ms
Bytes per sector	512	512
Start/stop cycles	50000	50000
Mean time between failures (MTBF)Known for one	1200000 h	Unknown — not stated by the source
Power2 differ
Power consumption (standby)Differs	1.13 W	0.7 W
Power consumption (PowerSave)Differs	0.76 W	0.7 W
Operating voltageKnown for one	5 / 12 V	Unknown — not stated by the source
Operational conditions1 differ
Operating temperature (T-T)	0 - 60 °C	0 - 60 °C
Storage temperature (T-T)	-40 - 70 °C	-40 - 70 °C
Operating relative humidity (H-H)	5 - 90%	5 - 90%
Storage relative humidity (H-H)	5 - 95%	5 - 95%
Operating altitude	-300 - 3000 m	-300 - 3000 m
Non-operating altitude	-300 - 12000 m	-300 - 12000 m
Operating shock	70 G	70 G
Non-operating shockDiffers	350 G	300 G
Weight & dimensions1 differ
Width	101.5 mm	101.5 mm
Depth	147 mm	147 mm
Height	26.1 mm	26.1 mm
WeightDiffers	470 g	650 g
Other featuresidentical
Dimensions (WxDxH)Known for one	101.5 x 147 x 26.1 mm	Unknown — not stated by the source
Drive device, transfer rateKnown for one	175 MB/s	Unknown — not stated by the source
Drive ready timeKnown for one	8 s	Unknown — not stated by the source
Internal	Yes	Yes
Maximum data transfer rateKnown for one	300 Mbit/s	Unknown — not stated by the source
Power requirementsKnown for one	Unknown — not stated by the source	+5V±5%, +12V±10%
Data transfer rateKnown for one	Unknown — not stated by the source	3 Gbit/s
Supported data transfer ratesKnown for one	Unknown — not stated by the source	175/300 MB/s
Acoustic pressure emissionsKnown for one	Unknown — not stated by the source	29 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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