Product comparison · 2 external hard drives

iStorage 3.5" Eco Drive 250GB vs iStorage 3.5" Eco Drive 750GB

Key differences

HDD capacity
- 3.5" Eco Drive 250GB:250 GB
- 3.5" Eco Drive 750GB:750 GB
Storage drive buffer size
- 3.5" Eco Drive 250GB:8 MB
- 3.5" Eco Drive 750GB:16 MB

Differences highlightedShow differences only

Comparison of 3.5" Eco Drive 250GB, 3.5" Eco Drive 750GB
19 specifications	A iStorage 3.5" Eco Drive 250GB View product	B iStorage 3.5" Eco Drive 750GB View product
Hard drive2 differ
HDD capacityDiffers	250 GB	750 GB
HDD speed	7200 RPM	7200 RPM
HDD size	3.5"	3.5"
Type	HDD	HDD
Storage drive average seek time	9 ms	9 ms
Storage drive buffer sizeDiffers	8 MB	16 MB
Ports & interfacesidentical
USB connector	USB	USB
USB version	2.0	2.0
Weight & dimensionsidentical
Width	196 mm	196 mm
Depth	32 mm	32 mm
Height	127 mm	127 mm
Weight	900 g	900 g
Packaging dataidentical
User guide	Yes	Yes
Other featuresidentical
Internal	No	No
Mac compatibility	Yes	Yes
Mean time between failures (MTBF)	750000 h	750000 h
USB cable	USB	USB
Compatible operating systems	- Windows 98 - Windows 98SE - Windows ME - Windows 2000 - Windows XP - Windows Vista - Mac OS X +	- Windows 98 - Windows 98SE - Windows ME - Windows 2000 - Windows XP - Windows Vista - Mac OS X +
Sustained data rate	25 MB/s	25 MB/s

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.