Lenovo 04X0905 internal hard drive vs Lenovo 7N40E65071 internal hard drive

Comparison of 04X0905, 7N40E65071

28 specifications	A Lenovo 04X0905 internal hard drive Model 04X0905 View product	B Lenovo 7N40E65071 internal hard drive Model 7N40E65071 View product
Features1 differ
HDD capacityDiffers	500 GB	2 TB
HDD speedKnown for one	—Unknown — not stated by the source	Variable
HDD sizeKnown for one	—Unknown — not stated by the source	3.5"
InterfaceKnown for one	—Unknown — not stated by the source	Serial ATA III
Storage drive buffer sizeKnown for one	—Unknown — not stated by the source	64 MB
SMART technologyKnown for one	—Unknown — not stated by the source	Yes
Bytes per sectorKnown for one	—Unknown — not stated by the source	4096
Component forKnown for one	Laptop	—Unknown — not stated by the source
Poweridentical
Power consumption (standby)Known for one	—Unknown — not stated by the source	0.4 W
Power consumption (idle)Known for one	—Unknown — not stated by the source	3 W
Power consumption (read)Known for one	—Unknown — not stated by the source	4.1 W
Power consumption (write)Known for one	—Unknown — not stated by the source	4.1 W
Operating voltageKnown for one	—Unknown — not stated by the source	5 / 12 V
Start-up currentKnown for one	—Unknown — not stated by the source	1.73 A
Weight & dimensionsidentical
WidthKnown for one	—Unknown — not stated by the source	101.6 mm
DepthKnown for one	—Unknown — not stated by the source	147 mm
HeightKnown for one	—Unknown — not stated by the source	26.1 mm
WeightKnown for one	—Unknown — not stated by the source	600 g
Other features1 differ
Data transfer rateKnown for one	—Unknown — not stated by the source	6 Gbit/s
IntelliPowerKnown for one	—Unknown — not stated by the source	Yes
Windows operating systems supportedDiffers	Yes	Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 8, Windows 8 Enterprise, Windows 8 Enterprise x64, Win
Mac operating systems supportedKnown for one	—Unknown — not stated by the source	Yes
Operational conditionsidentical
Operating temperature (T-T)Known for one	5 - 35 °C	—Unknown — not stated by the source
Storage temperature (T-T)Known for one	5 - 43 °C	—Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	8 - 95%	—Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	5 - 95%	—Unknown — not stated by the source

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.