Product comparison · 2 optical disc drives

LG GH22LP21 optical disc drive Internal DVD±R/RW Black vs LG GH22NP21 optical disc drive Internal

28specifications compared
3differ
25identical
16known for one product only

Key differences

Interface
- GH22LP21 optical disc drive Internal DVD±R/RW Black:EIDE/ATA
- GH22NP21 optical disc drive Internal:IDE/ATA
CD-RW read speed
- GH22LP21 optical disc drive Internal DVD±R/RW Black:40x
- GH22NP21 optical disc drive Internal:10x
Compatible operating systems
- GH22LP21 optical disc drive Internal DVD±R/RW Black:Windows XP Windows Vista
- GH22NP21 optical disc drive Internal:Windows Vista/XP/2000 Pro/ME

Side by side

Differences highlightedShow differences only

Comparison of GH22LP21, GH22NP21
44 specifications	A LG GH22LP21 optical disc drive Internal DVD±R/RW Black Model GH22LP21 View product	B LG GH22NP21 optical disc drive Internal Model GH22NP21 View product
Designidentical
Internal	Yes	Yes
Product colourKnown for one	Black	Unknown — not stated by the source
Disc loading type	Tray	Tray
MountingKnown for one	Unknown — not stated by the source	Horizontal
Performance1 differ
Optical drive typeKnown for one	DVD±R/RW	Unknown — not stated by the source
InterfaceDiffers	EIDE/ATA	IDE/ATA
LightScribeKnown for one	Yes	Unknown — not stated by the source
Drive device, buffer size	2 MB	2 MB
DVD-ROM transfer rate (sustained mode)	22.16 MB/s	22.16 MB/s
Writing speedidentical
CD write speed	48x	48x
CD rewrite speed	32x	32x
CD-R write speed	48x	48x
CD-RW write speed	32x	32x
DVD+R Double Layer write speed	16x	16x
DVD+R write speed	22x	22x
DVD+RW write speed	8x	8x
DVD-R Double Layer write speed	12x	12x
DVD-R write speed	22x	22x
DVD-RAM write speedKnown for one	12x	Unknown — not stated by the source
DVD-RW write speed	6x	6x
Reading speed1 differ
CD read speed	48x	48x
CD-R read speed	48x	48x
CD-ROM read speed	48x	48x
CD-RW read speedDiffers	40x	10x
DVD+R read speed	16x	16x
DVD-R Double Layer read speed	12x	12x
DVD-R read speed	16x	16x
DVD-ROM read speedKnown for one	16x	Unknown — not stated by the source
DVD-RW read speed	12x	12x
DVD+R Double Layer read speed	12x	12x
DVD+RW read speed	12x	12x
DVD-RAM read speedKnown for one	Unknown — not stated by the source	12x
Weight & dimensionsidentical
Weight	800 g	800 g
Packaging contentidentical
ManualKnown for one	Yes	Unknown — not stated by the source
Other features1 differ
Media types supportedKnown for one	CD-R, CD-RW, DVD-R, DVD-R DL, DVD-RW, DVD-RW DL, DVD-RAM, DVD+R, DVD+R DL, DVD+RW	Unknown — not stated by the source
Dimensions (WxDxH)	146 x 165 x 41.3 mm	146 x 165 x 41.3 mm
Compatible operating systemsDiffers	Windows XP Windows Vista	Windows Vista/XP/2000 Pro/ME
Number of optical discsKnown for one	1 discs	Unknown — not stated by the source
Host interfaceKnown for one	Unknown — not stated by the source	E-IDE (ATAPI)
Dimensions (W x D x H) (imperial)Known for one	Unknown — not stated by the source	144.8 x 40.6 x 165.1 mm (5.7 x 1.6 x 6.5")
Sustained data rateKnown for one	Unknown — not stated by the source	7.2 MB/s
Weight (imperial)Known for one	Unknown — not stated by the source	0.798 kg (1.76 lbs)
Access timeidentical
DVD drive average random access timeKnown for one	Unknown — not stated by the source	140 ms
CD-ROM drive average random access timeKnown for one	Unknown — not stated by the source	120 ms

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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