Lenovo 320GB USB 2.0 HDD vs Lenovo USB 2.0 Portable Hard Drive

Comparison of 320GB USB 2.0 HDD, USB 2.0 Portable Hard Drive

25 specifications	A Lenovo 320GB USB 2.0 HDDView product	B Lenovo USB 2.0 Portable Hard DriveView product
Hard drive1 differ
HDD capacityDiffers	320 GB	500 GB
HDD speed	5400 RPM	5400 RPM
InterfaceKnown for one	—Unknown — not stated by the source	Serial ATA
Type	HDD	HDD
Read speedKnown for one	—Unknown — not stated by the source	30 MB/s
Write speedKnown for one	—Unknown — not stated by the source	25 MB/s
Ports & interfacesidentical
USB connector	USB	USB
USB version	2.0	2.0
Featuresidentical
Product colourKnown for one	—Unknown — not stated by the source	Black
Plug and PlayKnown for one	—Unknown — not stated by the source	Yes
Windows operating systems supportedKnown for one	—Unknown — not stated by the source	Yes
CertificationKnown for one	—Unknown — not stated by the source	CE, BSMI, VCCI, C-Tick, FCC, ICES, KCC
Securityidentical
Fingerprint readerKnown for one	—Unknown — not stated by the source	No
Poweridentical
Bus poweredKnown for one	—Unknown — not stated by the source	USB
Operational conditionsidentical
Operating temperature (T-T)Known for one	—Unknown — not stated by the source	0 - 60 °C
Operating relative humidity (H-H)Known for one	—Unknown — not stated by the source	5 - 85%
Weight & dimensionsidentical
Width	77.3 mm	77.3 mm
Depth	129.9 mm	129.9 mm
Height	13.8 mm	13.8 mm
WeightKnown for one	—Unknown — not stated by the source	154 g
Other featuresidentical
Connectivity technologyKnown for one	—Unknown — not stated by the source	Wired
Interface typeKnown for one	—Unknown — not stated by the source	USB 2.0
Internal	No	No
Compatible operating systemsKnown for one	—Unknown — not stated by the source	Microsoft Windows XP/Vista
USB 2.0 ports quantityKnown for one	1	—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.