Product comparison · 2 external hard drives

Freecom ToughDrive 320GB vs iStorage SonicSTOR eSATA & USB 2.0 500GB

11specifications compared
7differ
4identical
19known for one product only

Key differences

HDD capacity
- ToughDrive 320GB:320 GB
- SonicSTOR eSATA & USB 2.0 500GB:500 GB
Storage drive buffer size
- ToughDrive 320GB:8 MB
- SonicSTOR eSATA & USB 2.0 500GB:16 MB
Width
- ToughDrive 320GB:140 mm
- SonicSTOR eSATA & USB 2.0 500GB:38 mm
Depth
- ToughDrive 320GB:80 mm
- SonicSTOR eSATA & USB 2.0 500GB:198 mm
Height
- ToughDrive 320GB:19 mm
- SonicSTOR eSATA & USB 2.0 500GB:119 mm
Mean time between failures (MTBF)
- ToughDrive 320GB:50000 h
- SonicSTOR eSATA & USB 2.0 500GB:750000 h

Side by side

Differences highlightedShow differences only

Comparison of ToughDrive 320GB, SonicSTOR eSATA & USB 2.0 500GB
30 specifications	A Freecom ToughDrive 320GB View product	B iStorage SonicSTOR eSATA & USB 2.0 500GB View product
Hard drive2 differ
HDD capacityDiffers	320 GB	500 GB
HDD sizeKnown for one	2.5"	Unknown — not stated by the source
InterfaceKnown for one	Serial ATA	Unknown — not stated by the source
Type	HDD	HDD
Storage drive buffer sizeDiffers	8 MB	16 MB
HDD speedKnown for one	Unknown — not stated by the source	7200 RPM
Storage drive average seek timeKnown for one	Unknown — not stated by the source	9 ms
Featuresidentical
Product colourKnown for one	Black, Grey	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	5 - 60 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-20 - 80 °C	Unknown — not stated by the source
Weight & dimensions3 differ
WidthDiffers	140 mm	38 mm
DepthDiffers	80 mm	198 mm
HeightDiffers	19 mm	119 mm
WeightKnown for one	200 g	Unknown — not stated by the source
Other features2 differ
Average latencyKnown for one	7.14 ms	Unknown — not stated by the source
HDD transfer rateKnown for one	480 Mbit/s	Unknown — not stated by the source
Internal	No	No
Mac compatibility	Yes	Yes
Mean time between failures (MTBF)Differs	50000 h	750000 h
Minimum RAMKnown for one	64 MB	Unknown — not stated by the source
Minimum processorKnown for one	Intel Pentium III / AMD Duron 900 MHz, PowerPC G3/G4/G5, Power Book G3/G4 / Intel Mac	Unknown — not stated by the source
Track to track seek timeKnown for one	2 ms	Unknown — not stated by the source
USB 2.0 ports quantity	1	1
USB requiredKnown for one	Yes	Unknown — not stated by the source
Compatible operating systemsDiffers	Windows 2000/XP/Vista, Mac OS X v.10.1	Windows 98/98SE/ME/2000/XP/Vista & Mac OS 10.2 +
Supported data transfer ratesKnown for one	Unknown — not stated by the source	700-800MB/min (USB 2.0), 1.5Gb/s (SATA), 3.0 Gb/s (SATA2)
USB cableKnown for one	Unknown — not stated by the source	USB
eSATA cableKnown for one	Unknown — not stated by the source	Yes
Ports & interfacesidentical
eSATAKnown for one	Unknown — not stated by the source	Yes
Packaging dataidentical
User guideKnown for one	Unknown — not stated by the source	Yes

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.

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