Product comparison · 2 optical disc drives

LG BU20N optical disc drive Internal Blu-Ray DVD Combo Black vs LG CU20N optical disc drive Internal Blu-Ray DVD Combo Black

44specifications compared
3differ
41identical
4known for one product only

Key differences

DVD+R write speed
- BU20N optical disc drive Internal Blu-Ray DVD Combo Black:8x
- CU20N optical disc drive Internal Blu-Ray DVD Combo Black:6x

Side by side

Differences highlightedShow differences only

Comparison of BU20N, CU20N
48 specifications	A LG BU20N optical disc drive Internal Blu-Ray DVD Combo Black Model BU20N View product	B LG CU20N optical disc drive Internal Blu-Ray DVD Combo Black Model CU20N View product
Design1 differ
Internal	Yes	Yes
Product colour	Black	Black
CertificationDiffers	Safety UL, C-UL, TÜV, SEMKO, EMC, Laser Safety	Safety UL, C-UL, TÜV, SEMKO, Laser Safety, EMC
Performance1 differ
Purpose	Desktop	Desktop
Optical drive type	Blu-Ray DVD Combo	Blu-Ray DVD Combo
Disc types supportedDiffers	BD, BD-R, BD-R DL, BD-RE, BD-RE DL, BD-ROM, CD, CD-R, CD-ROM, CD-RW, DVD, DVD+R, DVD+R DL, DVD+RW, DVD-R, DVD-R DL, DVD-RAM, DVD-ROM, DVD-RW	BD, CD, DVD
Interface	Serial ATA	Serial ATA
Drive device, buffer size	4 MB	4 MB
DVD-ROM transfer rate (sustained mode)	11.08 MB/s	11.08 MB/s
Writing speed1 differ
CD write speed	24x	24x
CD-R write speed	24x	24x
CD-RW write speed	16x	16x
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 Dual Layer write 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 speed	6x	6x
DVD+R write speedDiffers	8x	6x
DVD+RW write speed	8x	8x
DVD-R Double Layer write speed	6x	6x
DVD-R write speed	8x	8x
DVD-RAM write speed	5x	5x
DVD-RW write speed	6x	6x
Reading speedidentical
CD read speed	24x	24x
CD-R read speed	24x	24x
CD-ROM read speed	24x	24x
CD-RW read speed	24x	24x
BD-R Dual Layer read speed	6x	6x
BD-R read speed	6x	6x
BD-RE Dual Layer read speed	6x	6x
BD-RE read speed	6x	6x
BD-ROM read speed	6x	6x
DVD+R read speed	8x	8x
DVD-R read speed	8x	8x
DVD-RAM read speed	5x	5x
DVD-ROM read speed	8x	8x
DVD-RW read speed	8x	8x
DVD+R Double Layer read speed	8x	8x
DVD+RW read speed	8x	8x
Access timeidentical
DVD drive average random access time	200 ms	200 ms
BD-ROM average random access time	250 ms	250 ms
CD-ROM drive average random access time	200 ms	200 ms
System requirementsidentical
Windows operating systems supported	Windows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 8, Win	Windows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 8, Win
Weight & dimensionsidentical
Width	128 mm	128 mm
Depth	127 mm	127 mm
Height	9.5 mm	9.5 mm
Weight	122 g	122 g
Other featuresidentical
Compliance certificates	RoHS	RoHS

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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