Samsung 120GB Serial ATA Hard Drive vs Samsung Spinpoint P SP0812C internal hard drive

Comparison of 120GB Serial ATA Hard Drive, SP0812C

33 specifications	A Samsung 120GB Serial ATA Hard DriveView product	B Samsung Spinpoint P SP0812C internal hard drive Model SP0812C View product
Featuresidentical
HDD capacity	80 GB	80 GB
HDD speed	7200 RPM	7200 RPM
HDD size	3.5"	3.5"
Interface	Serial ATA	Serial ATA
Storage drive buffer size	8 MB	8 MB
Full stroke seek time	18 ms	18 ms
Track to track seek time	0.8 ms	0.8 ms
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)	500000 h	500000 h
Poweridentical
Power consumption (standby)	0.9 W	0.9 W
Operating voltage	5 / 12 V	5 / 12 V
Operational conditionsidentical
Operating temperature (T-T)	5 - 55 °C	5 - 55 °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	-305 - 3050 m	-305 - 3050 m
Non-operating altitude	-305 - 12200 m	-305 - 12200 m
Operating shock	63 G	63 G
Non-operating shock	350 G	350 G
Weight & dimensionsidentical
Width	101.6 mm	101.6 mm
Depth	146.1 mm	146.1 mm
Height	25.4 mm	25.4 mm
Weight	635 g	635 g
Other featuresidentical
Drive device, transfer rate	150 MB/s	150 MB/s
Drive ready time	7 s	7 s
External power adapterKnown for one	—Unknown — not stated by the source	No
Internal	Yes	Yes
USB poweredKnown for one	—Unknown — not stated by the source	No
Acoustic pressure emissions	27 dB	27 dB
Power requirementsKnown for one	5V°±5% / 12V°±10%	—Unknown — not stated by the source

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.