Product comparison · 2 internal hard drives

Samsung 120GB Ultra-ATA/100 HDD vs Seagate Internal 3.5 Inch Hard Drive Kit, 750GB - SATA NCQ

7specifications compared
6differ
1identical
20known for one product only

Key differences

The Seagate Internal 3.5 Inch Hard Drive Kit, 750GB - SATA NCQ has 630 GB more HDD capacity than the Samsung 120GB Ultra-ATA/100 HDD (750 GB vs 120 GB). The Seagate Internal 3.5 Inch Hard Drive Kit, 750GB - SATA NCQ has 1,800 RPM more HDD speed than the Samsung 120GB Ultra-ATA/100 HDD (7200 RPM vs 5400 RPM). The Seagate Internal 3.5 Inch Hard Drive Kit, 750GB - SATA NCQ has 1" more HDD size than the Samsung 120GB Ultra-ATA/100 HDD (3.5" vs 2.5"). Interface: Ultra-ATA/100 on the Samsung 120GB Ultra-ATA/100 HDD, Serial ATA on the Seagate Internal 3.5 Inch Hard Drive Kit, 750GB - SATA NCQ. Operating voltage: 5 V on the Samsung 120GB Ultra-ATA/100 HDD, 5 / 12 V on the Seagate Internal 3.5 Inch Hard Drive Kit, 750GB - SATA NCQ.

HDD capacity
- 120GB Ultra-ATA/100 HDD:120 GB
- Internal 3.5 Inch Hard Drive Kit, 750GB - SATA NCQ:750 GB
HDD speed
- 120GB Ultra-ATA/100 HDD:5400 RPM
- Internal 3.5 Inch Hard Drive Kit, 750GB - SATA NCQ:7200 RPM
HDD size
- 120GB Ultra-ATA/100 HDD:2.5"
- Internal 3.5 Inch Hard Drive Kit, 750GB - SATA NCQ:3.5"
Interface
- 120GB Ultra-ATA/100 HDD:Ultra-ATA/100
- Internal 3.5 Inch Hard Drive Kit, 750GB - SATA NCQ:Serial ATA
Storage drive buffer size
- 120GB Ultra-ATA/100 HDD:8 MB
- Internal 3.5 Inch Hard Drive Kit, 750GB - SATA NCQ:16 MB
Operating voltage
- 120GB Ultra-ATA/100 HDD:5 V
- Internal 3.5 Inch Hard Drive Kit, 750GB - SATA NCQ:5 / 12 V

Side by side

Differences highlightedShow differences only

Comparison of 120GB Ultra-ATA/100 HDD, Internal 3.5 Inch Hard Drive Kit, 750GB - SATA NCQ
27 specifications	A Samsung 120GB Ultra-ATA/100 HDD View product	B Seagate Internal 3.5 Inch Hard Drive Kit, 750GB - SATA NCQ View product
Features5 differ
HDD capacityDiffers	120 GB	750 GB
HDD speedDiffers	5400 RPM	7200 RPM
HDD sizeDiffers	2.5"	3.5"
InterfaceDiffers	Ultra-ATA/100	Serial ATA
Storage drive buffer sizeDiffers	8 MB	16 MB
Full stroke seek timeKnown for one	22 ms	Unknown — not stated by the source
Track to track seek timeKnown for one	2 ms	Unknown — not stated by the source
Average seek timeKnown for one	12 ms	Unknown — not stated by the source
Average latencyKnown for one	5.6 ms	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	330000 h	Unknown — not stated by the source
Power1 differ
Power consumption (typical)Known for one	2 W	Unknown — not stated by the source
Power consumption (standby)Known for one	0.25 W	Unknown — not stated by the source
Operating voltageDiffers	5 V	5 / 12 V
Operational conditionsidentical
Operating temperature (T-T)Known for one	5 - 55 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-40 - 70 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	5 - 90%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Operating altitudeKnown for one	-300 - 3000 m	Unknown — not stated by the source
Non-operating altitudeKnown for one	-300 - 15000 m	Unknown — not stated by the source
Operating shockKnown for one	325 G	Unknown — not stated by the source
Non-operating shockKnown for one	1000 G	Unknown — not stated by the source
Other featuresidentical
Power requirementsKnown for one	+5V	Unknown — not stated by the source
Drive ready timeKnown for one	4 s	Unknown — not stated by the source
Internal	Yes	Yes
Acoustic pressure emissionsKnown for one	2.3 dB	Unknown — not stated by the source
Data transfer rateKnown for one	Unknown — not stated by the source	3 Gbit/s
Mac compatibilityKnown for one	Unknown — not stated by the source	Yes

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.

More internal hard drive comparisons

All internal hard drive comparisons