Product comparison · 2 internal hard drives

Samsung 40GB HDD vs Samsung Spin Point M40S

12specifications compared
10differ
2identical
25known for one product only

Key differences

The Samsung Spin Point M40S has 20 GB more HDD capacity than the Samsung 40GB HDD (60 GB vs 40 GB). The Samsung 40GB HDD has 1,800 RPM more HDD speed than the Samsung Spin Point M40S (7200 RPM vs 5400 RPM). The Samsung 40GB HDD has 1" more HDD size than the Samsung Spin Point M40S (3.5" vs 2.5"). Interface: Serial ATA II on the Samsung 40GB HDD, Serial ATA on the Samsung Spin Point M40S. Operating voltage: 5 / 12 V on the Samsung 40GB HDD, 5 V on the Samsung Spin Point M40S.

HDD capacity
- 40GB HDD:40 GB
- Spin Point M40S:60 GB
HDD speed
- 40GB HDD:7200 RPM
- Spin Point M40S:5400 RPM
HDD size
- 40GB HDD:3.5"
- Spin Point M40S:2.5"
Interface
- 40GB HDD:Serial ATA II
- Spin Point M40S:Serial ATA
Full stroke seek time
- 40GB HDD:18 ms
- Spin Point M40S:22 ms
Track to track seek time
- 40GB HDD:0.8 ms
- Spin Point M40S:2 ms
Average seek time
- 40GB HDD:8.9 ms
- Spin Point M40S:12 ms
Average latency
- 40GB HDD:4.17 ms
- Spin Point M40S:5.6 ms

Side by side

Differences highlightedShow differences only

Comparison of 40GB HDD, Spin Point M40S
37 specifications	A Samsung 40GB HDD View product	B Samsung Spin Point M40S View product
Features9 differ
HDD capacityDiffers	40 GB	60 GB
HDD speedDiffers	7200 RPM	5400 RPM
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	Serial ATA II	Serial ATA
TypeKnown for one	HDD	Unknown — not stated by the source
Storage drive buffer size	8 MB	8 MB
Full stroke seek timeDiffers	18 ms	22 ms
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	500000 h	330000 h
Power1 differ
Power consumption (typical)Known for one	7.8 W	Unknown — not stated by the source
Power consumption (standby)Known for one	0.7 W	Unknown — not stated by the source
Power consumption (PowerSave)Known for one	0.7 W	Unknown — not stated by the source
Power consumption (idle)Known for one	6.8 W	Unknown — not stated by the source
Power consumption (read)Known for one	8 W	Unknown — not stated by the source
Power consumption (write)Known for one	8 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
Operating vibrationKnown for one	1.5 G	Unknown — not stated by the source
Non-operating vibrationKnown for one	8 G	Unknown — not stated by the source
Operating altitudeKnown for one	-304.8 - 3048 m	Unknown — not stated by the source
Non-operating altitudeKnown for one	-304.8 - 12192 m	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
Weight & dimensionsidentical
WidthKnown for one	101.6 mm	Unknown — not stated by the source
DepthKnown for one	146.1 mm	Unknown — not stated by the source
HeightKnown for one	25.4 mm	Unknown — not stated by the source
WeightKnown for one	648 g	Unknown — not stated by the source
Other featuresidentical
Special featuresKnown for one	RoHS NoiseGuard SilentSeek	Unknown — not stated by the source
HDD transfer rateKnown for one	Unknown — not stated by the source	428 Mbit/s
Drive device, transfer rateKnown for one	Unknown — not stated by the source	150 MB/s
InternalKnown 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.

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