Acer 640GB 7.2k non Hotplug SATA HDD vs Buffalo 1.5TB HD-CE1.5TU2 DriveStation TurboUSB

Comparison of 640GB 7.2k non Hotplug SATA HDD, 1.5TB HD-CE1.5TU2 DriveStation TurboUSB

21 specifications	A Acer 640GB 7.2k non Hotplug SATA HDDView product	B Buffalo 1.5TB HD-CE1.5TU2 DriveStation TurboUSBView product
Features1 differ
HDD capacityDiffers	640 GB	1.5 TB
Interface	Serial ATA	Serial ATA
HDD speedKnown for one	7200 RPM	—Unknown — not stated by the source
HDD sizeKnown for one	3.5"	—Unknown — not stated by the source
Poweridentical
Power consumption (typical)Known for one	—Unknown — not stated by the source	10 W
Power consumption (PowerSave)Known for one	—Unknown — not stated by the source	2.7 W
Operating voltageKnown for one	5 / 12 V	—Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	—Unknown — not stated by the source	5 - 35 °C
Weight & dimensionsidentical
WidthKnown for one	—Unknown — not stated by the source	45 mm
DepthKnown for one	—Unknown — not stated by the source	156 mm
HeightKnown for one	—Unknown — not stated by the source	175 mm
WeightKnown for one	—Unknown — not stated by the source	1 kg
Other featuresidentical
Power requirementsKnown for one	—Unknown — not stated by the source	100-240V 50/60Hz
Dimensions (WxDxH)Known for one	—Unknown — not stated by the source	45 x 156 x 175 mm
Product colourKnown for one	—Unknown — not stated by the source	Black
Compatible operating systemsKnown for one	—Unknown — not stated by the source	Win 2000/XP/Vista/Server 2003, Mac OS 10.2.7 or later
Internal	Yes	Yes
Mac compatibilityKnown for one	—Unknown — not stated by the source	Yes
USB 2.0 ports quantityKnown for one	—Unknown — not stated by the source	1
I/O portsKnown for one	—Unknown — not stated by the source	Max 480Mbps (USB 2.0 Mode) Max 12Mbps (USB 1.1 Mode)
Hot-Plug supportKnown for one	No	—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.