Product comparison · 2 internal hard drives

Samsung HD300LD internal hard drive vs Samsung Spinpoint M HM120JC internal hard drive

15specifications compared
11differ
4identical
18known for one product only

Key differences

The Samsung HD300LD internal hard drive has 180 GB more HDD capacity than the Samsung Spinpoint M HM120JC internal hard drive (300 GB vs 120 GB). The Samsung HD300LD internal hard drive has 1,800 RPM more HDD speed than the Samsung Spinpoint M HM120JC internal hard drive (7200 RPM vs 5400 RPM). The Samsung Spinpoint M HM120JC internal hard drive has 1.2 ms more track to track seek time than the Samsung HD300LD internal hard drive (2 ms vs 0.8 ms).

HDD capacity
- HD300LD internal hard drive:300 GB
- Spinpoint M HM120JC internal hard drive:120 GB
HDD speed
- HD300LD internal hard drive:7200 RPM
- Spinpoint M HM120JC internal hard drive:5400 RPM
Track to track seek time
- HD300LD internal hard drive:0.8 ms
- Spinpoint M HM120JC internal hard drive:2 ms
Average seek time
- HD300LD internal hard drive:8.9 ms
- Spinpoint M HM120JC internal hard drive:12 ms
Average latency
- HD300LD internal hard drive:4.17 ms
- Spinpoint M HM120JC internal hard drive:5.6 ms
Mean time between failures (MTBF)
- HD300LD internal hard drive:600000 h
- Spinpoint M HM120JC internal hard drive:330000 h
Width
- HD300LD internal hard drive:101.6 mm
- Spinpoint M HM120JC internal hard drive:100 mm
Depth
- HD300LD internal hard drive:146.1 mm
- Spinpoint M HM120JC internal hard drive:70 mm

Side by side

Differences highlightedShow differences only

Comparison of HD300LD, HM120JC
33 specifications	A Samsung HD300LD internal hard drive Model HD300LD View product	B Samsung Spinpoint M HM120JC internal hard drive Model HM120JC View product
Features6 differ
HDD capacityDiffers	300 GB	120 GB
HDD speedDiffers	7200 RPM	5400 RPM
Interface	Ultra-ATA/100	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
HDD sizeKnown for one	Unknown — not stated by the source	2.5"
Start/stop cyclesKnown for one	Unknown — not stated by the source	600000
Poweridentical
Power consumption (standby)Known for one	0.7 W	Unknown — not stated by the source
Power consumption (PowerSave)Known for one	8 W	Unknown — not stated by the source
Power consumption (off)Known for one	0.6 W	Unknown — not stated by the source
Operating voltageKnown for one	Unknown — not stated by the source	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
Operating shockKnown for one	63 G	Unknown — not stated by the source
Non-operating shockKnown for one	300 G	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	101.6 mm	100 mm
DepthDiffers	146.1 mm	70 mm
HeightDiffers	25.4 mm	9.4 mm
WeightDiffers	653.17 g	100 g
Other features1 differ
Power requirementsKnown for one	+5V±5%,+12V±10%	Unknown — not stated by the source
Drive device, transfer rateDiffers	133 MB/s	100 MB/s
External power adapterKnown for one	No	Unknown — not stated by the source
Internal	Yes	Yes
USB poweredKnown for one	No	Unknown — not stated by the source
Acoustic pressure emissionsKnown for one	29 dB	Unknown — not stated by the source
HDD transfer rateKnown for one	Unknown — not stated by the source	431 Mbit/s

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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