Product comparison · 2 external hard drives

Freecom Hard Drive 3.5" 400GB vs Freecom Hard Drive PRO 400GB

Key differences

Storage drive average seek time
- Hard Drive 3.5" 400GB:9 ms
- Hard Drive PRO 400GB:8.9 ms
Storage drive buffer size
- Hard Drive 3.5" 400GB:2 MB
- Hard Drive PRO 400GB:8 MB
Weight
- Hard Drive 3.5" 400GB:750 g
- Hard Drive PRO 400GB:1.4 kg
Average latency
- Hard Drive 3.5" 400GB:4.2 ms
- Hard Drive PRO 400GB:4.17 ms
Minimum RAM
- Hard Drive 3.5" 400GB:128 MB
- Hard Drive PRO 400GB:64 MB
Dimensions (WxDxH)
- Hard Drive 3.5" 400GB:200 x 115 x 40 mm
- Hard Drive PRO 400GB:15 x 18 x 5 mm

Differences highlightedShow differences only

Comparison of Hard Drive 3.5" 400GB, Hard Drive PRO 400GB
24 specifications	A Freecom Hard Drive 3.5" 400GB View product	B Freecom Hard Drive PRO 400GB View product
Hard drive2 differ
HDD capacity	400 GB	400 GB
HDD speed	7200 RPM	7200 RPM
HDD size	3.5"	3.5"
InterfaceKnown for one	Unknown — not stated by the source	Serial ATA II
Type	HDD	HDD
Storage drive average seek timeDiffers	9 ms	8.9 ms
Storage drive buffer sizeDiffers	2 MB	8 MB
Ports & interfacesidentical
Maximum data transfer rate	480 Mbit/s	480 Mbit/s
USB connector	USB	USB
USB version	2.0	2.0
Featuresidentical
Plug and PlayKnown for one	Unknown — not stated by the source	Yes
Product colourKnown for one	Silver	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)	5 - 60 °C	5 - 60 °C
Storage temperature (T-T)	-20 - 80 °C	-20 - 80 °C
Weight & dimensions1 differ
WeightDiffers	750 g	1.4 kg
Packaging dataidentical
Cables includedKnown for one	Unknown — not stated by the source	eSATA, USB
Other features3 differ
Average latencyDiffers	4.2 ms	4.17 ms
HDD transfer rateKnown for one	Unknown — not stated by the source	3000 Mbit/s
Internal	No	No
Mac compatibility	Yes	Yes
Minimum RAMDiffers	128 MB	64 MB
Track to track seek time	0.8 ms	0.8 ms
Dimensions (WxDxH)Differs	200 x 115 x 40 mm	15 x 18 x 5 mm
Mean time between failures (MTBF)Known for one	50000 h	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.