Product comparison · 2 optical disc drives

LG BP40NS20 optical disc drive Black vs LG GH24NS90R optical disc drive Internal DVD±R/RW Black

20specifications compared
15differ
5identical
33known for one product only

Key differences

Internal
- BP40NS20 optical disc drive Black:No
- GH24NS90R optical disc drive Internal DVD±R/RW Black:Yes
Interface
- BP40NS20 optical disc drive Black:USB 2.0
- GH24NS90R optical disc drive Internal DVD±R/RW Black:Serial ATA
DVD+R Double Layer write speed
- BP40NS20 optical disc drive Black:6x
- GH24NS90R optical disc drive Internal DVD±R/RW Black:8x
DVD+R write speed
- BP40NS20 optical disc drive Black:8x
- GH24NS90R optical disc drive Internal DVD±R/RW Black:24x
DVD-R write speed
- BP40NS20 optical disc drive Black:8x
- GH24NS90R optical disc drive Internal DVD±R/RW Black:24x
DVD-RAM write speed
- BP40NS20 optical disc drive Black:5x
- GH24NS90R optical disc drive Internal DVD±R/RW Black:12x
DVD+R read speed
- BP40NS20 optical disc drive Black:8x
- GH24NS90R optical disc drive Internal DVD±R/RW Black:16x
DVD-ROM read speed
- BP40NS20 optical disc drive Black:8x
- GH24NS90R optical disc drive Internal DVD±R/RW Black:16x

Side by side

Differences highlightedShow differences only

Comparison of BP40NS20, GH24NS90R
53 specifications	A LG BP40NS20 optical disc drive Black Model BP40NS20 View product	B LG GH24NS90R optical disc drive Internal DVD±R/RW Black Model GH24NS90R View product
Design1 differ
InternalDiffers	No	Yes
MountingKnown for one	Horizontal	Unknown — not stated by the source
Disc loading typeKnown for one	Unknown — not stated by the source	Tray
Performance1 differ
InterfaceDiffers	USB 2.0	Serial ATA
Drive device, buffer sizeKnown for one	4 MB	Unknown — not stated by the source
DVD-ROM transfer rate (sustained mode)Known for one	11.08 MB/s	Unknown — not stated by the source
Optical drive typeKnown for one	Unknown — not stated by the source	DVD±R/RW
Disc types supportedKnown for one	Unknown — not stated by the source	CD-R, CD-RW, DVD+R, DVD+R DL, DVD+RW, DVD-RAM, DVD-RW
Writing speed4 differ
CD-R write speedKnown for one	24x	Unknown — not stated by the source
CD-RW write speedKnown for one	24x	Unknown — not stated by the source
BD-R Dual Layer write speedKnown for one	6x	Unknown — not stated by the source
BD-R write speedKnown for one	6x	Unknown — not stated by the source
BD-RE rewrite speedKnown for one	2x	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	6x	8x
DVD+R write speedDiffers	8x	24x
DVD-R Double Layer write speedKnown for one	6x	Unknown — not stated by the source
DVD-R write speedDiffers	8x	24x
DVD-RAM write speedDiffers	5x	12x
Reading speed4 differ
CD-R read speedKnown for one	24x	Unknown — not stated by the source
CD-ROM read speedKnown for one	24x	Unknown — not stated by the source
CD-RW read speedKnown for one	24x	Unknown — not stated by the source
BD-R Dual Layer read speedKnown for one	6x	Unknown — not stated by the source
BD-R read speedKnown for one	6x	Unknown — not stated by the source
BD-RE Dual Layer read speedKnown for one	6x	Unknown — not stated by the source
BD-RE read speedKnown for one	6x	Unknown — not stated by the source
BD-ROM read speedKnown for one	6x	Unknown — not stated by the source
DVD+R read speedDiffers	8x	16x
DVD-R Double Layer read speedKnown for one	8x	Unknown — not stated by the source
DVD-R read speedKnown for one	8x	Unknown — not stated by the source
DVD-ROM read speedDiffers	8x	16x
DVD-RW read speedKnown for one	8x	Unknown — not stated by the source
DVD+R Double Layer read speedDiffers	8x	12x
DVD+RW read speedDiffers	8x	12x
DVD-RAM read speedKnown for one	Unknown — not stated by the source	12x
Access timeidentical
DVD drive average random access timeKnown for one	270 ms	Unknown — not stated by the source
BD-ROM average random access timeKnown for one	260 ms	Unknown — not stated by the source
CD-ROM drive average random access timeKnown for one	260 ms	Unknown — not stated by the source
DVD-RAM access timeKnown for one	240 ms	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	160 mm	146 mm
DepthDiffers	153 mm	165 mm
HeightDiffers	22 mm	41.3 mm
WeightDiffers	380 g	700 g
Other features1 differ
Power requirementsKnown for one	12V USB	Unknown — not stated by the source
CD transfer rate (sustained mode)Known for one	3600 KB/s	Unknown — not stated by the source
Compatible operating systemsDiffers	Windows 7, Windows Vista, Windows XP	Windows XP SP2/Vista/7
Number of products includedKnown for one	1 pc(s)	Unknown — not stated by the source
Number of optical discsKnown for one	Unknown — not stated by the source	1 discs

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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