Product comparison · 2 external hard drives

ADATA 250GB Portable HDD vs Lenovo ThinkPad eSATA/USB 500GB Secure Hard Drive

7specifications compared
4differ
3identical
16known for one product only

Key differences

HDD capacity
- 250GB Portable HDD:250 GB
- ThinkPad eSATA/USB 500GB Secure Hard Drive:500 GB
Product colour
- 250GB Portable HDD:Blue
- ThinkPad eSATA/USB 500GB Secure Hard Drive:Black
Weight
- 250GB Portable HDD:172 g
- ThinkPad eSATA/USB 500GB Secure Hard Drive:180 g

Side by side

Differences highlightedShow differences only

Comparison of 250GB Portable HDD, ThinkPad eSATA/USB 500GB Secure Hard Drive
23 specifications	A ADATA 250GB Portable HDD View product	B Lenovo ThinkPad eSATA/USB 500GB Secure Hard Drive View product
Hard drive1 differ
HDD capacityDiffers	250 GB	500 GB
HDD speed	5400 RPM	5400 RPM
HDD sizeKnown for one	2.5"	Unknown — not stated by the source
InterfaceKnown for one	Serial ATA	Unknown — not stated by the source
Type	HDD	HDD
Storage drive buffer sizeKnown for one	8 MB	Unknown — not stated by the source
Ports & interfacesidentical
Maximum data transfer rateKnown for one	480 Mbit/s	Unknown — not stated by the source
USB connectorKnown for one	Unknown — not stated by the source	USB
USB versionKnown for one	Unknown — not stated by the source	2.0
Features1 differ
Product colourDiffers	Blue	Black
Plug and PlayKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions1 differ
WeightDiffers	172 g	180 g
WidthKnown for one	Unknown — not stated by the source	84.7 mm
DepthKnown for one	Unknown — not stated by the source	122 mm
HeightKnown for one	Unknown — not stated by the source	19.2 mm
Other features1 differ
Internal	No	No
Mac compatibilityKnown for one	Yes	Unknown — not stated by the source
MountingKnown for one	Horizontal	Unknown — not stated by the source
USB 2.0 ports quantityKnown for one	1	Unknown — not stated by the source
Compatible operating systemsDiffers	Windows 2000/XP/Vista/7 Mac x 10.4 Linux Kernal 2.4	Windows 7, Windows XP, Vista
Dimensions (WxDxH)Known for one	86.8 x 30.6 x 14.5 mm	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	5 - 55 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%

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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