Product comparison · 2 optical disc drives

iStorage Kanguru U2-BDRW-12X optical disc drive Black vs Lenovo 42T2599 optical disc drive Internal DVD±R/RW

10specifications compared
9differ
1identical
25known for one product only

Key differences

Interface
- Kanguru U2-BDRW-12X optical disc drive Black:USB 2.0
- 42T2599 optical disc drive Internal DVD±R/RW:Serial ATA
DVD+R Double Layer write speed
- Kanguru U2-BDRW-12X optical disc drive Black:12x
- 42T2599 optical disc drive Internal DVD±R/RW:4x
DVD+RW write speed
- Kanguru U2-BDRW-12X optical disc drive Black:8x
- 42T2599 optical disc drive Internal DVD±R/RW:6x
DVD-R Double Layer write speed
- Kanguru U2-BDRW-12X optical disc drive Black:8x
- 42T2599 optical disc drive Internal DVD±R/RW:4x
DVD-ROM read speed
- Kanguru U2-BDRW-12X optical disc drive Black:16x
- 42T2599 optical disc drive Internal DVD±R/RW:8x
DVD drive average random access time
- Kanguru U2-BDRW-12X optical disc drive Black:250 ms
- 42T2599 optical disc drive Internal DVD±R/RW:180 ms
CD-ROM drive average random access time
- Kanguru U2-BDRW-12X optical disc drive Black:250 ms
- 42T2599 optical disc drive Internal DVD±R/RW:150 ms
Weight
- Kanguru U2-BDRW-12X optical disc drive Black:1.02 kg
- 42T2599 optical disc drive Internal DVD±R/RW:140 g

Side by side

Differences highlightedShow differences only

Comparison of U2-BDRW-12X, 42T2599
35 specifications	A iStorage Kanguru U2-BDRW-12X optical disc drive Black Model U2-BDRW-12X View product	B Lenovo 42T2599 optical disc drive Internal DVD±R/RW Model 42T2599 View product
Designidentical
Product colourKnown for one	Black	Unknown — not stated by the source
InternalKnown for one	Unknown — not stated by the source	Yes
Performance1 differ
InterfaceDiffers	USB 2.0	Serial ATA
Drive device, buffer sizeKnown for one	8 MB	Unknown — not stated by the source
Optical drive typeKnown for one	Unknown — not stated by the source	DVD±R/RW
Compatible productsKnown for one	Unknown — not stated by the source	ThinkPad T400, T400s, T410, T410i, T410s, T410si, T420s, T500
Writing speed3 differ
CD-R write speedKnown for one	48x	Unknown — not stated by the source
CD-RW write speedKnown for one	32x	Unknown — not stated by the source
BD-R Dual Layer write speedKnown for one	8x	Unknown — not stated by the source
BD-R write speedKnown for one	12x	Unknown — not stated by the source
BD-RE write speedKnown for one	2x	Unknown — not stated by the source
DVD+R Double Layer write speedDiffers	12x	4x
DVD+R write speedKnown for one	16x	Unknown — not stated by the source
DVD+RW write speedDiffers	8x	6x
DVD-R Double Layer write speedDiffers	8x	4x
DVD-R write speedKnown for one	16x	Unknown — not stated by the source
CD write speedKnown for one	Unknown — not stated by the source	24x
CD rewrite speedKnown for one	Unknown — not stated by the source	16x
DVD-RAM write speedKnown for one	Unknown — not stated by the source	5x
Reading speed1 differ
CD-ROM read speedKnown for one	48x	Unknown — not stated by the source
DVD-ROM read speedDiffers	16x	8x
CD read speedKnown for one	Unknown — not stated by the source	24x
Access time2 differ
DVD drive average random access timeDiffers	250 ms	180 ms
BD-ROM average random access timeKnown for one	300 ms	Unknown — not stated by the source
CD-ROM drive average random access timeDiffers	250 ms	150 ms
Record modesidentical
Disc-at-once (DAO)Known for one	Yes	Unknown — not stated by the source
Multi sessionKnown for one	Yes	Unknown — not stated by the source
Packet writingKnown 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	No	Unknown — not stated by the source
Weight & dimensions1 differ
WeightDiffers	1.02 kg	140 g
HeightKnown for one	Unknown — not stated by the source	9.5 mm
Other features1 differ
Dimensions (WxDxH)Differs	184.15 x 190.5 x 50.8 mm	129 x 131 x 9.5 mm
Compatible operating systemsKnown for one	Windows XP SP2/ Vista / 7 Mac OS X 10.3+	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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