Product comparison · 2 internal hard drives

Samsung Spinpoint M HN-M250MBB internal hard drive vs Samsung Spinpoint M HN-M640MBB internal hard drive

27specifications compared
3differ
24identical
26known for one product only

Key differences

HDD capacity
- Spinpoint M HN-M250MBB internal hard drive:250 GB
- Spinpoint M HN-M640MBB internal hard drive:640 GB
Interface
- Spinpoint M HN-M250MBB internal hard drive:SATAII,Serial ATA II
- Spinpoint M HN-M640MBB internal hard drive:Serial ATA III
Windows operating systems supported
- Spinpoint M HN-M250MBB internal hard drive:Windows 7 Home Premium
- Spinpoint M HN-M640MBB internal hard drive:Yes

Side by side

Differences highlightedShow differences only

Comparison of HN-M250MBB, HN-M640MBB
53 specifications	A Samsung Spinpoint M HN-M250MBB internal hard drive Model HN-M250MBB View product	B Samsung Spinpoint M HN-M640MBB internal hard drive Model HN-M640MBB View product
Features2 differ
HDD capacityDiffers	250 GB	640 GB
HDD speed	5400 RPM	5400 RPM
HDD size	2.5"	2.5"
InterfaceDiffers	SATAII,Serial ATA II	Serial ATA III
Storage drive buffer size	8 MB	8 MB
Access timeKnown for one	12 ms	Unknown — not stated by the source
Average seek timeKnown for one	12 ms	Unknown — not stated by the source
Average latency	5.6 ms	5.6 ms
SMART technologyKnown for one	Yes	Unknown — not stated by the source
Bytes per sectorKnown for one	Unknown — not stated by the source	1024
Poweridentical
Power consumption (standby)	0.2 W	0.2 W
Power consumption (off)Known for one	0.2 W	Unknown — not stated by the source
Power consumption (idle)	0.7 W	0.7 W
Power consumption (read)	2.2 W	2.2 W
Power consumption (write)	2.2 W	2.2 W
Operating voltage	5 V	5 V
Start-up current	1 A	1 A
Power consumption (typical)Known for one	Unknown — not stated by the source	2.2 W
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	-300 - 3000 m	-300 - 3000 m
Non-operating altitude	-400 - 15000 m	-400 - 15000 m
Operating shock	325 G	325 G
Non-operating shock	750 G	750 G
Packaging contentidentical
User guide	Yes	Yes
Weight & dimensionsidentical
Width	69.8 mm	69.8 mm
Depth	100.3 mm	100.3 mm
Height	9.5 mm	9.5 mm
Weight	107 g	107 g
Other features1 differ
Wi-FiKnown for one	No	Unknown — not stated by the source
Ethernet LANKnown for one	No	Unknown — not stated by the source
AC adapter includedKnown for one	No	Unknown — not stated by the source
Card reader integratedKnown for one	No	Unknown — not stated by the source
Carrying caseKnown for one	No	Unknown — not stated by the source
Compatible memory cardsKnown for one	Not supported	Unknown — not stated by the source
Data transfer rateKnown for one	3 Gbit/s	Unknown — not stated by the source
Disks included quantityKnown for one	1 pc(s)	Unknown — not stated by the source
Drive ready time	4 s	4 s
Ethernet cableKnown for one	No	Unknown — not stated by the source
External power adapterKnown for one	No	Unknown — not stated by the source
FireWire requiredKnown for one	No	Unknown — not stated by the source
Integrated USB cableKnown for one	No	Unknown — not stated by the source
InternalKnown for one	Yes	Unknown — not stated by the source
Number of products includedKnown for one	1 pc(s)	Unknown — not stated by the source
Plug and PlayKnown for one	Yes	Unknown — not stated by the source
Supported HDD interfacesKnown for one	Serial ATA, Serial ATA II	Unknown — not stated by the source
USB poweredKnown for one	No	Unknown — not stated by the source
USB requiredKnown for one	No	Unknown — not stated by the source
Windows operating systems supportedDiffers	Windows 7 Home Premium	Yes
HDD transfer rateKnown for one	Unknown — not stated by the source	300 Mbit/s
Logistics dataidentical
Harmonized System (HS) codeKnown for one	Unknown — not stated by the source	84717050

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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