Product comparison · 2 optical disc drives

Freecom DVD RW Recorder LS vs NEC AD-7201S optical disc drive Internal White

15specifications compared
7differ
8identical
19known for one product only

Key differences

Internal
- DVD RW Recorder LS:No
- AD-7201S optical disc drive Internal White:Yes
Product colour
- DVD RW Recorder LS:Black
- AD-7201S optical disc drive Internal White:White
DVD+R write speed
- DVD RW Recorder LS:22x
- AD-7201S optical disc drive Internal White:20x
DVD-R Double Layer write speed
- DVD RW Recorder LS:8x
- AD-7201S optical disc drive Internal White:12x
DVD-R write speed
- DVD RW Recorder LS:22x
- AD-7201S optical disc drive Internal White:20x
Weight
- DVD RW Recorder LS:1.2 kg
- AD-7201S optical disc drive Internal White:690 g
Dimensions (WxDxH)
- DVD RW Recorder LS:165 x 250 x 48 mm
- AD-7201S optical disc drive Internal White:148 x 42 x 170 mm

Side by side

Differences highlightedShow differences only

Comparison of DVD RW Recorder LS, AD-7201S
34 specifications	A Freecom DVD RW Recorder LS View product	B NEC AD-7201S optical disc drive Internal White Model AD-7201S View product
Design2 differ
InternalDiffers	No	Yes
Product colourDiffers	Black	White
Disc loading typeKnown for one	Unknown — not stated by the source	Tray
Performanceidentical
InterfaceKnown for one	Unknown — not stated by the source	Serial ATA
LightScribeKnown for one	Unknown — not stated by the source	Yes
Drive device, buffer sizeKnown for one	Unknown — not stated by the source	2 MB
Burst transfer rateKnown for one	Unknown — not stated by the source	150 MB/s
Plug and PlayKnown for one	Unknown — not stated by the source	Yes
Writing speed3 differ
CD write speed	48x	48x
CD rewrite speed	32x	32x
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	32x
DVD+R Double Layer write speed	8x	8x
DVD+R write speedDiffers	22x	20x
DVD+RW write speed	8x	8x
DVD-R Double Layer write speedDiffers	8x	12x
DVD-R write speedDiffers	22x	20x
DVD-RAM write speed	12x	12x
DVD-RW write speed	6x	6x
Reading speedidentical
CD read speed	48x	48x
DVD-ROM read speed	16x	16x
Access timeidentical
DVD drive average random access timeKnown for one	Unknown — not stated by the source	160 ms
CD-ROM drive average random access timeKnown for one	Unknown — not stated by the source	140 ms
Record modesidentical
Disc-at-once (DAO)Known for one	Unknown — not stated by the source	Yes
Fixed packetKnown for one	Unknown — not stated by the source	Yes
Multi sessionKnown 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
Variable packetKnown for one	Unknown — not stated by the source	Yes
Weight & dimensions1 differ
WeightDiffers	1.2 kg	690 g
HeightKnown for one	48 mm	Unknown — not stated by the source
Other features1 differ
Dimensions (WxDxH)Differs	165 x 250 x 48 mm	148 x 42 x 170 mm
Compatible operating systemsKnown for one	Windows 2000/XP/Vista	Unknown — not stated by the source
USB 2.0 ports quantityKnown for one	1	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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