Product comparison · 2 optical disc drives

Lenovo CD-RW/DVD-ROM Combo Drive vs NEC ND-4550 DVDRW 16X silver

10specifications compared
2differ
8identical
11known for one product only

Key differences

Product colour
- CD-RW/DVD-ROM Combo Drive:Black
- ND-4550 DVDRW 16X silver:Silver
Dimensions (WxDxH)
- CD-RW/DVD-ROM Combo Drive:149 x 190 x 41.5 mm
- ND-4550 DVDRW 16X silver:148 x 42 x 190 mm

Side by side

Differences highlightedShow differences only

Comparison of CD-RW/DVD-ROM Combo Drive, ND-4550 DVDRW 16X silver
21 specifications	A Lenovo CD-RW/DVD-ROM Combo Drive View product	B NEC ND-4550 DVDRW 16X silver View product
Design1 differ
Product colourDiffers	Black	Silver
Performanceidentical
Optical drive typeKnown for one	Unknown — not stated by the source	DVD-RW
Access timeidentical
DVD drive average random access timeKnown for one	Unknown — not stated by the source	160 ms
Other features1 differ
Write methodsKnown for one	Unknown — not stated by the source	CD: DOA, SAO, TAO, multisession
Dimensions (WxDxH)Differs	149 x 190 x 41.5 mm	148 x 42 x 190 mm
I/O portsKnown for one	Unknown — not stated by the source	analog- and digital output
DVD+R speedKnown for one	Unknown — not stated by the source	16x
DVD+RW speedKnown for one	Unknown — not stated by the source	8x
DVD-R speedKnown for one	Unknown — not stated by the source	16x
DVD-RW speedKnown for one	Unknown — not stated by the source	6x
Drive device, transfer rateKnown for one	7.5 MB/s	Unknown — not stated by the source
Operational conditionsidentical
Operating relative humidity (H-H)Known for one	10 - 80%	Unknown — not stated by the source
Operating temperature (T-T)Known for one	5 - 45 °C	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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