Acer External HDD 250GB SATA (USB Interface) vs Origin Storage IOdisk 120GB

Comparison of External HDD 250GB SATA (USB Interface), IOdisk 120GB

21 specifications	A Acer External HDD 250GB SATA (USB Interface)View product	B Origin Storage IOdisk 120GBView product
Hard drive1 differ
HDD capacityDiffers	250 GB	120 GB
Storage drive average seek timeKnown for one	—Unknown — not stated by the source	12 ms
Storage drive buffer sizeKnown for one	—Unknown — not stated by the source	2 MB
InterfaceKnown for one	Serial ATA	—Unknown — not stated by the source
Ports & interfacesidentical
Maximum data transfer rateKnown for one	—Unknown — not stated by the source	480 Mbit/s
USB connectorKnown for one	—Unknown — not stated by the source	USB
USB versionKnown for one	—Unknown — not stated by the source	2.0
Featuresidentical
Product colourKnown for one	—Unknown — not stated by the source	Silver
Weight & dimensionsidentical
WidthKnown for one	—Unknown — not stated by the source	125 mm
DepthKnown for one	—Unknown — not stated by the source	75 mm
HeightKnown for one	—Unknown — not stated by the source	15 mm
WeightKnown for one	—Unknown — not stated by the source	185 g
Other features1 differ
Average latencyKnown for one	—Unknown — not stated by the source	6 ms
Mac compatibilityKnown for one	—Unknown — not stated by the source	Yes
Mean time between failures (MTBF)Known for one	—Unknown — not stated by the source	300000 h
Track to track seek timeKnown for one	—Unknown — not stated by the source	2 ms
Compatible operating systemsDiffers	Windows Vista / 98SE / ME / 2000 / XP, Mac OS 9.0 +	Windows 98SE/Me/2000/XP Mac OS X 10.1 + Mac OS 9.1 +
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.