Product comparison · 2 internal hard drives

Samsung 160GB Serial ATA II HDD vs Samsung Spinpoint M HM120JC internal hard drive

13specifications compared
10differ
3identical
19known for one product only

Key differences

The Samsung 160GB Serial ATA II HDD has 40 GB more HDD capacity than the Samsung Spinpoint M HM120JC internal hard drive (160 GB vs 120 GB). The Samsung 160GB Serial ATA II HDD has 1,800 RPM more HDD speed than the Samsung Spinpoint M HM120JC internal hard drive (7200 RPM vs 5400 RPM). The Samsung 160GB Serial ATA II HDD has 1" more HDD size than the Samsung Spinpoint M HM120JC internal hard drive (3.5" vs 2.5"). Interface: Serial ATA II on the Samsung 160GB Serial ATA II HDD, Ultra-ATA/100 on the Samsung Spinpoint M HM120JC internal hard drive. Operating voltage: 5 / 12 V on the Samsung 160GB Serial ATA II HDD, 5 V on the Samsung Spinpoint M HM120JC internal hard drive.

HDD capacity
- 160GB Serial ATA II HDD:160 GB
- Spinpoint M HM120JC internal hard drive:120 GB
HDD speed
- 160GB Serial ATA II HDD:7200 RPM
- Spinpoint M HM120JC internal hard drive:5400 RPM
HDD size
- 160GB Serial ATA II HDD:3.5"
- Spinpoint M HM120JC internal hard drive:2.5"
Interface
- 160GB Serial ATA II HDD:Serial ATA II
- Spinpoint M HM120JC internal hard drive:Ultra-ATA/100
Track to track seek time
- 160GB Serial ATA II HDD:0.8 ms
- Spinpoint M HM120JC internal hard drive:2 ms
Average seek time
- 160GB Serial ATA II HDD:8.9 ms
- Spinpoint M HM120JC internal hard drive:12 ms
Average latency
- 160GB Serial ATA II HDD:4.17 ms
- Spinpoint M HM120JC internal hard drive:5.6 ms
Mean time between failures (MTBF)
- 160GB Serial ATA II HDD:600000 h
- Spinpoint M HM120JC internal hard drive:330000 h

Side by side

Differences highlightedShow differences only

Comparison of 160GB Serial ATA II HDD, HM120JC
32 specifications	A Samsung 160GB Serial ATA II HDD View product	B Samsung Spinpoint M HM120JC internal hard drive Model HM120JC View product
Features8 differ
HDD capacityDiffers	160 GB	120 GB
HDD speedDiffers	7200 RPM	5400 RPM
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	Serial ATA II	Ultra-ATA/100
Storage drive buffer size	8 MB	8 MB
Full stroke seek timeKnown for one	18 ms	Unknown — not stated by the source
Track to track seek timeDiffers	0.8 ms	2 ms
Average seek timeDiffers	8.9 ms	12 ms
Average latencyDiffers	4.17 ms	5.6 ms
Bytes per sector	512	512
Mean time between failures (MTBF)Differs	600000 h	330000 h
Start/stop cyclesKnown for one	Unknown — not stated by the source	600000
Power1 differ
Power consumption (typical)Known for one	8 W	Unknown — not stated by the source
Power consumption (standby)Known for one	1.5 W	Unknown — not stated by the source
Power consumption (PowerSave)Known for one	1.5 W	Unknown — not stated by the source
Operating voltageDiffers	5 / 12 V	5 V
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 60 °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
Non-operating altitudeKnown for one	12000	Unknown — not stated by the source
Operating shockKnown for one	63 G	Unknown — not stated by the source
Non-operating shockKnown for one	350 G	Unknown — not stated by the source
Other features1 differ
Power requirementsKnown for one	+5V / +12V	Unknown — not stated by the source
Drive device, transfer rateDiffers	300 MB/s	100 MB/s
Drive ready timeKnown for one	7 s	Unknown — not stated by the source
Internal	Yes	Yes
HDD transfer rateKnown for one	Unknown — not stated by the source	431 Mbit/s
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	100 mm
DepthKnown for one	Unknown — not stated by the source	70 mm
HeightKnown for one	Unknown — not stated by the source	9.4 mm
WeightKnown for one	Unknown — not stated by the source	100 g

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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