Product comparison · 2 optical disc drives

Lenovo CDRW DVD ULTRABAY SLIM DRIVE vs Lenovo Freecom FS-50 DVD+/-RW 8x Double Layer Drive with LightScribe

Key differences

Internal
- CDRW DVD ULTRABAY SLIM DRIVE:Yes
- Freecom FS-50 DVD+/-RW 8x Double Layer Drive with LightScribe:No
CD rewrite speed
- CDRW DVD ULTRABAY SLIM DRIVE:24x
- Freecom FS-50 DVD+/-RW 8x Double Layer Drive with LightScribe:16x
DVD drive average random access time
- CDRW DVD ULTRABAY SLIM DRIVE:130 ms
- Freecom FS-50 DVD+/-RW 8x Double Layer Drive with LightScribe:100 ms
Access time
- CDRW DVD ULTRABAY SLIM DRIVE:110 ms
- Freecom FS-50 DVD+/-RW 8x Double Layer Drive with LightScribe:95 ms
Weight
- CDRW DVD ULTRABAY SLIM DRIVE:200 g
- Freecom FS-50 DVD+/-RW 8x Double Layer Drive with LightScribe:600 g
Dimensions (WxDxH)
- CDRW DVD ULTRABAY SLIM DRIVE:128 x 129 x 10 mm
- Freecom FS-50 DVD+/-RW 8x Double Layer Drive with LightScribe:144 x 140 x 17 mm

Differences highlightedShow differences only

Comparison of CDRW DVD ULTRABAY SLIM DRIVE, Freecom FS-50 DVD+/-RW 8x Double Layer Drive with LightScribe
18 specifications	A Lenovo CDRW DVD ULTRABAY SLIM DRIVE View product	B Lenovo Freecom FS-50 DVD+/-RW 8x Double Layer Drive with LightScribe View product
Design1 differ
InternalDiffers	Yes	No
Performanceidentical
Drive device, buffer sizeKnown for one	2 MB	Unknown — not stated by the source
Writing speed1 differ
CD write speed	24x	24x
CD rewrite speedDiffers	24x	16x
Reading speedidentical
CD read speed	24x	24x
DVD read speed	8x	8x
Access time2 differ
DVD drive average random access timeDiffers	130 ms	100 ms
Access timeDiffers	110 ms	95 ms
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 - 50 °C	Unknown — not stated by the source
Weight & dimensions1 differ
WeightDiffers	200 g	600 g
Other features1 differ
Media types supportedKnown for one	CD-ROM, CD-R, CD-RW, DVD-ROM, DVD-R, DVD-RAM, DVD-RW, DVD+RW, DVD+R, DVD+R DL, DVD-R DL	Unknown — not stated by the source
Dimensions (WxDxH)Differs	128 x 129 x 10 mm	144 x 140 x 17 mm
Compatible operating systemsKnown for one	Microsoft Windows 2000 / Windows XP	Unknown — not stated by the source
DVD+R speedKnown for one	Unknown — not stated by the source	8x
DVD+RW speedKnown for one	Unknown — not stated by the source	4x
DVD-R speedKnown for one	Unknown — not stated by the source	8x
DVD-RW speedKnown for one	Unknown — not stated by the source	4x

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.