Product comparison · 2 optical disc drives

LG DH18NS61 optical disc drive Internal DVD-ROM Black vs LG WP50NB40 optical disc drive Blu-Ray DVD Combo

16specifications compared
14differ
2identical
40known for one product only

Key differences

Internal
- DH18NS61 optical disc drive Internal DVD-ROM Black:Yes
- WP50NB40 optical disc drive Blu-Ray DVD Combo:No
Optical drive type
- DH18NS61 optical disc drive Internal DVD-ROM Black:DVD-ROM
- WP50NB40 optical disc drive Blu-Ray DVD Combo:Blu-Ray DVD Combo
Interface
- DH18NS61 optical disc drive Internal DVD-ROM Black:Serial ATA
- WP50NB40 optical disc drive Blu-Ray DVD Combo:USB 2.0
Drive device, buffer size
- DH18NS61 optical disc drive Internal DVD-ROM Black:0.2 MB
- WP50NB40 optical disc drive Blu-Ray DVD Combo:4 MB
CD read speed
- DH18NS61 optical disc drive Internal DVD-ROM Black:48x
- WP50NB40 optical disc drive Blu-Ray DVD Combo:24x
CD-ROM read speed
- DH18NS61 optical disc drive Internal DVD-ROM Black:48x
- WP50NB40 optical disc drive Blu-Ray DVD Combo:24x
DVD-ROM read speed
- DH18NS61 optical disc drive Internal DVD-ROM Black:18x
- WP50NB40 optical disc drive Blu-Ray DVD Combo:8x
DVD drive average random access time
- DH18NS61 optical disc drive Internal DVD-ROM Black:100 ms
- WP50NB40 optical disc drive Blu-Ray DVD Combo:200 ms

Side by side

Differences highlightedShow differences only

Comparison of DH18NS61, WP50NB40
56 specifications	A LG DH18NS61 optical disc drive Internal DVD-ROM Black Model DH18NS61 View product	B LG WP50NB40 optical disc drive Blu-Ray DVD Combo Model WP50NB40 View product
Design1 differ
InternalDiffers	Yes	No
Product colourKnown for one	Black	Unknown — not stated by the source
MountingKnown for one	Vertical/Horizontal	Unknown — not stated by the source
Performance3 differ
Purpose	Desktop	Desktop
Optical drive typeDiffers	DVD-ROM	Blu-Ray DVD Combo
Disc types supportedKnown for one	Unknown — not stated by the source	BD, BD-R, BD-R DL, BD-RE, BD-RE DL, BD-ROM, CD, CD-DA, CD-R, CD-RW, DVD, DVD+R, DVD+R DL, DVD+RW, DVD-R, DVD-R DL, DVD-RAM, DVD-RW
InterfaceDiffers	Serial ATA	USB 2.0
Drive device, buffer sizeDiffers	0.2 MB	4 MB
Burst transfer rateKnown for one	Unknown — not stated by the source	480 MB/s
DVD-ROM transfer rate (sustained mode)Known for one	Unknown — not stated by the source	11.08 MB/s
Card reader integratedKnown for one	Unknown — not stated by the source	No
Writing speedidentical
CD write speedKnown for one	Unknown — not stated by the source	24x
CD-R write speedKnown for one	Unknown — not stated by the source	24x
CD-RW write speedKnown for one	Unknown — not stated by the source	16x
BD-R Dual Layer write speedKnown for one	Unknown — not stated by the source	6x
BD-R write speedKnown for one	Unknown — not stated by the source	6x
BD-RE Dual Layer write speedKnown for one	Unknown — not stated by the source	2x
BD-RE rewrite speedKnown for one	Unknown — not stated by the source	2x
BD-RE write speedKnown for one	Unknown — not stated by the source	2x
DVD+R Double Layer write speedKnown for one	Unknown — not stated by the source	8x
DVD+R write speedKnown for one	Unknown — not stated by the source	8x
DVD+RW write speedKnown for one	Unknown — not stated by the source	8x
DVD-R Double Layer write speedKnown for one	Unknown — not stated by the source	6x
DVD-R write speedKnown for one	Unknown — not stated by the source	8x
DVD-RAM write speedKnown for one	Unknown — not stated by the source	5x
DVD-RW write speedKnown for one	Unknown — not stated by the source	6x
Reading speed3 differ
CD read speedDiffers	48x	24x
CD-R read speedKnown for one	Unknown — not stated by the source	24x
CD-ROM read speedDiffers	48x	24x
CD-RW read speedKnown for one	Unknown — not stated by the source	24x
BD-R Dual Layer read speedKnown for one	Unknown — not stated by the source	6x
BD-R read speedKnown for one	Unknown — not stated by the source	6x
BD-RE Dual Layer read speedKnown for one	Unknown — not stated by the source	6x
BD-RE read speedKnown for one	Unknown — not stated by the source	6x
BD-ROM read speedKnown for one	Unknown — not stated by the source	6x
DVD+R read speedKnown for one	Unknown — not stated by the source	8x
DVD-R Double Layer read speedKnown for one	Unknown — not stated by the source	8x
DVD-R read speedKnown for one	Unknown — not stated by the source	8x
DVD-RAM read speed	5x	5x
DVD-ROM read speedDiffers	18x	8x
DVD-RW read speedKnown for one	Unknown — not stated by the source	8x
DVD+R Double Layer read speedKnown for one	Unknown — not stated by the source	8x
DVD+RW read speedKnown for one	Unknown — not stated by the source	8x
Access time2 differ
DVD drive average random access timeDiffers	100 ms	200 ms
BD-ROM average random access timeKnown for one	Unknown — not stated by the source	250 ms
CD-ROM drive average random access timeDiffers	90 ms	200 ms
DVD-RAM access timeKnown for one	130 ms	Unknown — not stated by the source
System requirements1 differ
Windows operating systems supportedDiffers	Yes	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 & dimensions4 differ
WidthDiffers	146 mm	144 mm
DepthDiffers	165 mm	156 mm
HeightDiffers	41.3 mm	14.6 mm
WeightDiffers	700 g	270 g
Other featuresidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
Read speedKnown for one	Unknown — not stated by the source	3.6 MB/s
Operational conditionsidentical
Operating temperature (T-T)Known for one	5 - 45 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-30 - 60 °C	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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