Product comparison · 2 optical disc drives

LG GE24NU21 optical disc drive DVD±R/RW Black vs LG GH22LP21 optical disc drive Internal DVD±R/RW Black

19specifications compared
6differ
13identical
27known for one product only

Key differences

Internal
- GE24NU21 optical disc drive DVD±R/RW Black:No
- GH22LP21 optical disc drive Internal DVD±R/RW Black:Yes
DVD+R write speed
- GE24NU21 optical disc drive DVD±R/RW Black:24x
- GH22LP21 optical disc drive Internal DVD±R/RW Black:22x
DVD-R write speed
- GE24NU21 optical disc drive DVD±R/RW Black:24x
- GH22LP21 optical disc drive Internal DVD±R/RW Black:22x
Weight
- GE24NU21 optical disc drive DVD±R/RW Black:1.5 kg
- GH22LP21 optical disc drive Internal DVD±R/RW Black:800 g
Dimensions (WxDxH)
- GE24NU21 optical disc drive DVD±R/RW Black:160 x 230 x 50 mm
- GH22LP21 optical disc drive Internal DVD±R/RW Black:146 x 165 x 41.3 mm

Side by side

Differences highlightedShow differences only

Comparison of GE24NU21, GH22LP21
46 specifications	A LG GE24NU21 optical disc drive DVD±R/RW Black Model GE24NU21 View product	B LG GH22LP21 optical disc drive Internal DVD±R/RW Black Model GH22LP21 View product
Design1 differ
InternalDiffers	No	Yes
Product colour	Black	Black
Disc loading typeKnown for one	Unknown — not stated by the source	Tray
CertificationKnown for one	UL, CSA, TUV, SEMKO, CE	Unknown — not stated by the source
Performanceidentical
Optical drive type	DVD±R/RW	DVD±R/RW
InterfaceKnown for one	Unknown — not stated by the source	EIDE/ATA
LightScribeKnown for one	Unknown — not stated by the source	Yes
Drive device, buffer size	2 MB	2 MB
DVD-ROM transfer rate (sustained mode)Known for one	Unknown — not stated by the source	22.16 MB/s
Mean time between failures (MTBF)Known for one	100000 h	Unknown — not stated by the source
Writing speed2 differ
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 speedDiffers	24x	22x
DVD+RW write speed	8x	8x
DVD-R Double Layer write speed	12x	12x
DVD-R write speedDiffers	24x	22x
DVD-RAM write speed	12x	12x
DVD-RW write speedKnown for one	Unknown — not stated by the source	6x
Reading speedidentical
CD read speed	48x	48x
CD-R read speedKnown for one	Unknown — not stated by the source	48x
CD-ROM read speedKnown for one	Unknown — not stated by the source	48x
CD-RW read speedKnown for one	Unknown — not stated by the source	40x
DVD+R read speedKnown for one	Unknown — not stated by the source	16x
DVD-R Double Layer read speedKnown for one	Unknown — not stated by the source	12x
DVD-R read speedKnown for one	Unknown — not stated by the source	16x
DVD-ROM read speedKnown for one	Unknown — not stated by the source	16x
DVD-RW read speedKnown for one	Unknown — not stated by the source	12x
DVD+R Double Layer read speedKnown for one	Unknown — not stated by the source	12x
DVD+RW read speedKnown for one	Unknown — not stated by the source	12x
Weight & dimensions1 differ
WeightDiffers	1.5 kg	800 g
Packaging contentidentical
ManualKnown for one	Unknown — not stated by the source	Yes
Other features2 differ
Media types supportedDiffers	DVD±R9, DVD±R, DVD±RW, DVD-RAM, CD-R, CD-RW, DVD-ROM, CD Extra, CD-ROM, CD-ROM XA, CD-I, CD-DA, CD Photo	CD-R, CD-RW, DVD-R, DVD-R DL, DVD-RW, DVD-RW DL, DVD-RAM, DVD+R, DVD+R DL, DVD+RW
Dimensions (WxDxH)Differs	160 x 230 x 50 mm	146 x 165 x 41.3 mm
Compatible operating systemsKnown for one	Unknown — not stated by the source	Windows XP Windows Vista
Number of optical discs	1 discs	1 discs
Total storage capacityKnown for one	8.5 GB	Unknown — not stated by the source
Access timeidentical
DVD drive average random access timeKnown for one	145 ms	Unknown — not stated by the source
CD-ROM drive average random access timeKnown for one	125 ms	Unknown — not stated by the source
Record modesidentical
Disc-at-once (DAO)Known for one	Yes	Unknown — not stated by the source
Multi sessionKnown for one	Yes	Unknown — not stated by the source
Packet writingKnown for one	Yes	Unknown — not stated by the source
Session-at-once (SAO)Known for one	Yes	Unknown — not stated by the source
Track-at-once (TAO)Known for one	Yes	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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