Product comparison · 2 optical disc drives

LG BU20N optical disc drive Internal Blu-Ray DVD Combo Black vs LG GP57EB40 optical disc drive DVD Super Multi DL Black

25specifications compared
13differ
12identical
28known for one product only

Key differences

Internal
- BU20N optical disc drive Internal Blu-Ray DVD Combo Black:Yes
- GP57EB40 optical disc drive DVD Super Multi DL Black:No
Purpose
- BU20N optical disc drive Internal Blu-Ray DVD Combo Black:Desktop
- GP57EB40 optical disc drive DVD Super Multi DL Black:Desktop/Laptop
Optical drive type
- BU20N optical disc drive Internal Blu-Ray DVD Combo Black:Blu-Ray DVD Combo
- GP57EB40 optical disc drive DVD Super Multi DL Black:DVD Super Multi DL
Interface
- BU20N optical disc drive Internal Blu-Ray DVD Combo Black:Serial ATA
- GP57EB40 optical disc drive DVD Super Multi DL Black:USB 2.0
Drive device, buffer size
- BU20N optical disc drive Internal Blu-Ray DVD Combo Black:4 MB
- GP57EB40 optical disc drive DVD Super Multi DL Black:1 MB
DVD drive average random access time
- BU20N optical disc drive Internal Blu-Ray DVD Combo Black:200 ms
- GP57EB40 optical disc drive DVD Super Multi DL Black:160 ms
CD-ROM drive average random access time
- BU20N optical disc drive Internal Blu-Ray DVD Combo Black:200 ms
- GP57EB40 optical disc drive DVD Super Multi DL Black:140 ms
Width
- BU20N optical disc drive Internal Blu-Ray DVD Combo Black:128 mm
- GP57EB40 optical disc drive DVD Super Multi DL Black:144 mm

Side by side

Differences highlightedShow differences only

Comparison of BU20N, GP57EB40
53 specifications	A LG BU20N optical disc drive Internal Blu-Ray DVD Combo Black Model BU20N View product	B LG GP57EB40 optical disc drive DVD Super Multi DL Black Model GP57EB40 View product
Design1 differ
InternalDiffers	Yes	No
Product colour	Black	Black
CertificationKnown for one	Safety UL, C-UL, TÜV, SEMKO, EMC, Laser Safety	Unknown — not stated by the source
Disc loading typeKnown for one	Unknown — not stated by the source	Tray
Performance5 differ
PurposeDiffers	Desktop	Desktop/Laptop
Optical drive typeDiffers	Blu-Ray DVD Combo	DVD Super Multi DL
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	CD-R, CD-ROM, CD-RW, DVD+R, DVD+R DL, DVD+RW, DVD-R, DVD-R DL, DVD-RAM, DVD-ROM, DVD-RW
InterfaceDiffers	Serial ATA	USB 2.0
Drive device, buffer sizeDiffers	4 MB	1 MB
DVD-ROM transfer rate (sustained mode)Known for one	11.08 MB/s	Unknown — not stated by the source
Writing speedidentical
CD write speedKnown for one	24x	Unknown — not stated by the source
CD-R write speedKnown for one	24x	Unknown — not stated by the source
CD-RW write speedKnown for one	16x	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 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 speedKnown for one	6x	Unknown — not stated by the source
DVD+R write speedKnown for one	8x	Unknown — not stated by the source
DVD+RW write speedKnown for one	8x	Unknown — not stated by the source
DVD-R Double Layer write speedKnown for one	6x	Unknown — not stated by the source
DVD-R write speedKnown for one	8x	Unknown — not stated by the source
DVD-RAM write speedKnown for one	5x	Unknown — not stated by the source
DVD-RW write speedKnown for one	6x	Unknown — not stated by the source
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 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 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 time2 differ
DVD drive average random access timeDiffers	200 ms	160 ms
BD-ROM average random access timeKnown for one	250 ms	Unknown — not stated by the source
CD-ROM drive average random access timeDiffers	200 ms	140 ms
DVD-RAM access timeKnown for one	Unknown — not stated by the source	360 ms
System requirements1 differ
Windows operating systems supportedDiffers	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 Home Basic, Windows 7 Home Premium, Windows 7 Professional, Windows Vista Business, Windows Vista Home Basic, Windows Vista Home Premium, Windows Vista Ultimate, Windows XP Home, Windows XP Professional
Weight & dimensions4 differ
WidthDiffers	128 mm	144 mm
DepthDiffers	127 mm	137.5 mm
HeightDiffers	9.5 mm	14 mm
WeightDiffers	122 g	200 g
Other featuresidentical
Compliance certificatesKnown for one	RoHS	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	5 - 50 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-30 - 60 °C
Packaging contentidentical
Quantity per packKnown for one	Unknown — not stated by the source	1 pc(s)

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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