Product comparison · 2 optical disc drives

Lenovo ThinkPad Ultrabay Enhanced Blu-ray Burner vs LG GGWH20L optical disc drive Internal

17specifications compared
15differ
2identical
19known for one product only

Key differences

Interface
- ThinkPad Ultrabay Enhanced Blu-ray Burner:IDE/ATA
- GGWH20L optical disc drive Internal:Serial ATA
CD write speed
- ThinkPad Ultrabay Enhanced Blu-ray Burner:8x
- GGWH20L optical disc drive Internal:40x
CD rewrite speed
- ThinkPad Ultrabay Enhanced Blu-ray Burner:4x
- GGWH20L optical disc drive Internal:40x
BD-R write speed
- ThinkPad Ultrabay Enhanced Blu-ray Burner:2x
- GGWH20L optical disc drive Internal:6x
DVD+R Double Layer write speed
- ThinkPad Ultrabay Enhanced Blu-ray Burner:2.4x
- GGWH20L optical disc drive Internal:12x
DVD+R write speed
- ThinkPad Ultrabay Enhanced Blu-ray Burner:8x
- GGWH20L optical disc drive Internal:12x
DVD+RW write speed
- ThinkPad Ultrabay Enhanced Blu-ray Burner:4x
- GGWH20L optical disc drive Internal:10x
DVD-R Double Layer write speed
- ThinkPad Ultrabay Enhanced Blu-ray Burner:2x
- GGWH20L optical disc drive Internal:12x

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad Ultrabay Enhanced Blu-ray Burner, GGWH20L
36 specifications	A Lenovo ThinkPad Ultrabay Enhanced Blu-ray Burner View product	B LG GGWH20L optical disc drive Internal Model GGWH20L View product
Designidentical
Disc loading typeKnown for one	Unknown — not stated by the source	Tray
Performance1 differ
InterfaceDiffers	IDE/ATA	Serial ATA
Drive device, buffer sizeKnown for one	8 MB	Unknown — not stated by the source
Writing speed9 differ
CD write speedDiffers	8x	40x
CD rewrite speedDiffers	4x	40x
BD-R write speedDiffers	2x	6x
BD-RE rewrite speedKnown for one	Unknown — not stated by the source	2x
DVD+R Double Layer write speedDiffers	2.4x	12x
DVD+R write speedDiffers	8x	12x
DVD+RW write speedDiffers	4x	10x
DVD-R Double Layer write speedDiffers	2x	12x
DVD-R write speedDiffers	8x	12x
DVD-RW write speedDiffers	4x	10x
CD-R write speedKnown for one	8x	Unknown — not stated by the source
CD-RW write speedKnown for one	4x	Unknown — not stated by the source
Reading speed1 differ
CD read speedDiffers	24x	40x
CD-ROM read speedKnown for one	24x	Unknown — not stated by the source
BD-ROM read speedKnown for one	1.6x	Unknown — not stated by the source
DVD-ROM read speedKnown for one	8x	Unknown — not stated by the source
Access time2 differ
DVD drive average random access timeDiffers	180 ms	160 ms
BD-ROM average random access timeDiffers	300 ms	180 ms
Record modesidentical
Disc-at-once (DAO)Known for one	Unknown — not stated by the source	Yes
Layer Jump RecordingKnown for one	Unknown — not stated by the source	Yes
Packet writingKnown for one	Unknown — not stated by the source	Yes
Random writeKnown for one	Unknown — not stated by the source	Yes
Sequential writingKnown for one	Unknown — not stated by the source	Yes
Session-at-once (SAO)Known for one	Unknown — not stated by the source	Yes
Track-at-once (TAO)Known for one	Unknown — not stated by the source	Yes
Operational conditionsidentical
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	15 - 85%
Operating temperature (T-T)Known for one	Unknown — not stated by the source	5 - 45 °C
Weight & dimensions1 differ
WeightDiffers	150 g	870 g
HeightKnown for one	12.7 mm	Unknown — not stated by the source
Other features1 differ
Dimensions (WxDxH)Differs	128 x 129 x 12.7 mm	146 x 41.3 x 185 mm
Compatible operating systemsKnown for one	Unknown — not stated by the source	Media Center Edition Windows 2000 Professional Windows XP Home Edition, Professional Windows Vista (x86, x64)

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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