Product comparison · 2 optical disc drives

Freecom DVD RW Recorder LS Pro USB-2 & FireWire vs NEC AD-7543A optical disc drive Internal Black

10specifications compared
9differ
1identical
28known for one product only

Key differences

Internal
- DVD RW Recorder LS Pro USB-2 & FireWire:No
- AD-7543A optical disc drive Internal Black:Yes
Product colour
- DVD RW Recorder LS Pro USB-2 & FireWire:Silver
- AD-7543A optical disc drive Internal Black:Black
Interface
- DVD RW Recorder LS Pro USB-2 & FireWire:USB & FireWire
- AD-7543A optical disc drive Internal Black:IDE/ATA
CD write speed
- DVD RW Recorder LS Pro USB-2 & FireWire:48x
- AD-7543A optical disc drive Internal Black:24x
CD rewrite speed
- DVD RW Recorder LS Pro USB-2 & FireWire:16x
- AD-7543A optical disc drive Internal Black:24x
DVD-R Double Layer write speed
- DVD RW Recorder LS Pro USB-2 & FireWire:8x
- AD-7543A optical disc drive Internal Black:4x
CD read speed
- DVD RW Recorder LS Pro USB-2 & FireWire:48x
- AD-7543A optical disc drive Internal Black:24x
Weight
- DVD RW Recorder LS Pro USB-2 & FireWire:1.2 kg
- AD-7543A optical disc drive Internal Black:180 g

Side by side

Differences highlightedShow differences only

Comparison of DVD RW Recorder LS Pro USB-2 & FireWire, AD-7543A
38 specifications	A Freecom DVD RW Recorder LS Pro USB-2 & FireWire View product	B NEC AD-7543A optical disc drive Internal Black Model AD-7543A View product
Design2 differ
InternalDiffers	No	Yes
Product colourDiffers	Silver	Black
Disc loading type	Tray	Tray
Performance1 differ
InterfaceDiffers	USB & FireWire	IDE/ATA
Optical drive typeKnown for one	DVD-RW	Unknown — not stated by the source
LightScribeKnown for one	Yes	Unknown — not stated by the source
Writing speed3 differ
CD write speedDiffers	48x	24x
CD rewrite speedDiffers	16x	24x
DVD+R write speedKnown for one	Unknown — not stated by the source	8x
DVD+RW write speedKnown for one	Unknown — not stated by the source	8x
DVD-R Double Layer write speedDiffers	8x	4x
DVD-R write speedKnown for one	Unknown — not stated by the source	8x
DVD-RAM write speedKnown for one	Unknown — not stated by the source	5x
DVD-RW write speedKnown for one	Unknown — not stated by the source	6x
DVD+R Double Layer write speedKnown for one	4x	Unknown — not stated by the source
DVD write speedKnown for one	16x	Unknown — not stated by the source
DVD rewrite speedKnown for one	8x	Unknown — not stated by the source
Reading speed1 differ
CD read speedDiffers	48x	24x
DVD+R read speedKnown for one	Unknown — not stated by the source	8x
DVD-R read speedKnown for one	Unknown — not stated by the source	8x
DVD-R9 read speedKnown for one	8x	Unknown — not stated by the source
DVD-RAM read speedKnown for one	5x	Unknown — not stated by the source
DVD-RW read speedKnown for one	6x	Unknown — not stated by the source
DVD+RW read speedKnown for one	8x	Unknown — not stated by the source
Access timeidentical
DVD drive average random access timeKnown for one	Unknown — not stated by the source	180 ms
CD-ROM drive average random access timeKnown for one	Unknown — not stated by the source	150 ms
Record modesidentical
Disc-at-once (DAO)Known for one	Unknown — not stated by the source	Yes
Multi sessionKnown for one	Unknown — not stated by the source	Yes
Packet writingKnown for one	Unknown — not stated by the source	Yes
Session-at-once (SAO)Known for one	Unknown — not stated by the source	Yes
Track-at-once (TAO)Known for one	Unknown — not stated by the source	Yes
Weight & dimensions1 differ
WeightDiffers	1.2 kg	180 g
Other features1 differ
Media types supportedKnown for one	Unknown — not stated by the source	DVD-ROM, DVD-R (DL), DVD-RW, DVD-RAM, DVD +R, DVD +R9, DVD +RW, CD-ROM, CD-R, CD-RW
Dimensions (WxDxH)Differs	165 x 250 x 48 mm	128 x 129 x 12.7 mm
Minimum RAMKnown for one	256 MB	Unknown — not stated by the source
Number of optical discsKnown for one	1 discs	Unknown — not stated by the source
DVD+R speedKnown for one	16x	Unknown — not stated by the source
DVD-R speedKnown for one	16x	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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