Product comparison · 2 optical disc drives

Freecom DVD RW Recorder 20x USB-2 vs Freecom External DVD-RW Recorder

22specifications compared
10differ
12identical
21known for one product only

Key differences

CD rewrite speed
- DVD RW Recorder 20x USB-2:21x
- External DVD-RW Recorder:24x
DVD+R write speed
- DVD RW Recorder 20x USB-2:20x
- External DVD-RW Recorder:16x
DVD-R write speed
- DVD RW Recorder 20x USB-2:20x
- External DVD-RW Recorder:16x
DVD-RAM write speed
- DVD RW Recorder 20x USB-2:12x
- External DVD-RW Recorder:5x
DVD-R9 read speed
- DVD RW Recorder 20x USB-2:8x
- External DVD-RW Recorder:4x
Operating temperature (T-T)
- DVD RW Recorder 20x USB-2:10 - 35 °C
- External DVD-RW Recorder:5 - 50 °C
Minimum system requirements
- DVD RW Recorder 20x USB-2:USB
- External DVD-RW Recorder:CD-ROM
Dimensions (WxDxH)
- DVD RW Recorder 20x USB-2:165 x 250 x 48 mm
- External DVD-RW Recorder:165 x 259 x 48 mm

Side by side

Differences highlightedShow differences only

Comparison of DVD RW Recorder 20x USB-2, External DVD-RW Recorder
43 specifications	A Freecom DVD RW Recorder 20x USB-2 View product	B Freecom External DVD-RW Recorder View product
Designidentical
Internal	No	No
Product colourKnown for one	Unknown — not stated by the source	Silver
Disc loading type	Tray	Tray
Performanceidentical
Mean time between failures (MTBF)	50000 h	50000 h
Writing speed4 differ
CD write speed	48x	48x
CD rewrite speedDiffers	21x	24x
CD-R write speedKnown for one	Unknown — not stated by the source	48x
CD-RW write speedKnown for one	Unknown — not stated by the source	24x
DVD+R write speedDiffers	20x	16x
DVD+RW write speed	8x	8x
DVD-R write speedDiffers	20x	16x
DVD-R9 write speedKnown for one	Unknown — not stated by the source	4x
DVD-RAM write speedDiffers	12x	5x
DVD-RW write speed	6x	6x
Reading speed1 differ
CD read speed	48x	48x
CD-R read speedKnown for one	Unknown — not stated by the source	48x
CD-ROM read speed	48x	48x
CD-RW read speedKnown for one	Unknown — not stated by the source	48x
DVD+R read speedKnown for one	Unknown — not stated by the source	16x
DVD-R read speedKnown for one	Unknown — not stated by the source	16x
DVD-R9 read speedDiffers	8x	4x
DVD-RAM read speedKnown for one	Unknown — not stated by the source	5x
DVD-ROM read speed	16x	16x
DVD-RW read speedKnown for one	Unknown — not stated by the source	6x
DVD+RW read speedKnown for one	Unknown — not stated by the source	8x
Operational conditions1 differ
Operating relative humidity (H-H)	5 - 80%	5 - 80%
Operating temperature (T-T)Differs	10 - 35 °C	5 - 50 °C
Weight & dimensionsidentical
Weight	1.2 kg	1.2 kg
Other features4 differ
Media types supportedKnown for one	Unknown — not stated by the source	CD-DA, CD-ROM, CD-ROM/XA, Photo CD, Multi-session, Karaoke; DVD-R, DVD-R DL, DVD+R / DVD+R DL
Minimum system requirementsDiffers	USB	CD-ROM
Dimensions (WxDxH)Differs	165 x 250 x 48 mm	165 x 259 x 48 mm
Minimum RAM	256 MB	256 MB
Minimum processorDiffers	700MHz	Pentium III 700MHz
Compatible operating systemsDiffers	Windows 2000/XP/Vista	Windows 2000/XP
Number of optical discsKnown for one	Unknown — not stated by the source	1 discs
Power requirementsKnown for one	12V/2A	Unknown — not stated by the source
Record modesidentical
Disc-at-once (DAO)Known for one	Yes	Unknown — not stated by the source
Fixed packetKnown for one	Yes	Unknown — not stated by the source
Packet writingKnown for one	Yes	Unknown — not stated by the source
Random writeKnown for one	Yes	Unknown — not stated by the source
Session-at-once (SAO)Known for one	Yes	Unknown — not stated by the source
Track-at-once (TAO)Known for one	Yes	Unknown — not stated by the source
Variable packetKnown for one	Yes	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.

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