Acer External HDD 250GB SATA (USB Interface) vs Origin Storage ez2disk 250GB

Comparison of External HDD 250GB SATA (USB Interface), ez2disk 250GB

24 specifications	A Acer External HDD 250GB SATA (USB Interface)View product	B Origin Storage ez2disk 250GBView product
Hard drive1 differ
HDD capacity	250 GB	250 GB
HDD sizeDiffers	2.5"	3.5"
Type	HDD	HDD
Storage drive average seek timeKnown for one	—Unknown — not stated by the source	9 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
FireWire 400Known for one	—Unknown — not stated by the source	Yes
Featuresidentical
Product colourKnown for one	—Unknown — not stated by the source	Black, Silver
Plug and PlayKnown for one	—Unknown — not stated by the source	Yes
Weight & dimensionsidentical
WidthKnown for one	—Unknown — not stated by the source	120 mm
DepthKnown for one	—Unknown — not stated by the source	200 mm
HeightKnown for one	—Unknown — not stated by the source	40 mm
WeightKnown for one	—Unknown — not stated by the source	1 kg
Other features1 differ
Average latencyKnown for one	—Unknown — not stated by the source	5.5 ms
Internal	No	No
Mac compatibilityKnown for one	—Unknown — not stated by the source	Yes
MaterialKnown for one	—Unknown — not stated by the source	Aluminium
Track to track seek timeKnown for one	—Unknown — not stated by the source	1 ms
Compatible operating systemsDiffers	Windows Vista / 98SE / ME / 2000 / XP, Mac OS 9.0 +	Windows 98/98SE/ME/2000/XP Mac OS 9.1 +
Acoustic pressure emissionsKnown for one	—Unknown — not stated by the source	31 dB
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.