Product comparison · 2 optical disc drives

HP B4F70AA optical disc drive Internal Blu-Ray RW Black vs LG GP30NW optical disc drive DVD±RW White

11specifications compared
11differ
0identical
41known for one product only

Key differences

Internal
- B4F70AA optical disc drive Internal Blu-Ray RW Black:Yes
- GP30NW optical disc drive DVD±RW White:No
Product colour
- B4F70AA optical disc drive Internal Blu-Ray RW Black:Black
- GP30NW optical disc drive DVD±RW White:White
Optical drive type
- B4F70AA optical disc drive Internal Blu-Ray RW Black:Blu-Ray RW
- GP30NW optical disc drive DVD±RW White:DVD±RW
Interface
- B4F70AA optical disc drive Internal Blu-Ray RW Black:Serial ATA
- GP30NW optical disc drive DVD±RW White:USB 2.0
CD write speed
- B4F70AA optical disc drive Internal Blu-Ray RW Black:40x
- GP30NW optical disc drive DVD±RW White:24x
CD rewrite speed
- B4F70AA optical disc drive Internal Blu-Ray RW Black:40x
- GP30NW optical disc drive DVD±RW White:16x
DVD+RW write speed
- B4F70AA optical disc drive Internal Blu-Ray RW Black:10x
- GP30NW optical disc drive DVD±RW White:8x
DVD-R write speed
- B4F70AA optical disc drive Internal Blu-Ray RW Black:16x
- GP30NW optical disc drive DVD±RW White:8x

Side by side

Differences highlightedShow differences only

Comparison of B4F70AA, GP30NW
52 specifications	A HP B4F70AA optical disc drive Internal Blu-Ray RW Black Model B4F70AA View product	B LG GP30NW optical disc drive DVD±RW White Model GP30NW View product
Design2 differ
InternalDiffers	Yes	No
Product colourDiffers	Black	White
Performance2 differ
Optical drive typeDiffers	Blu-Ray RW	DVD±RW
Disc types supportedKnown for one	Unknown — not stated by the source	CD, CD-R, 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 sizeKnown for one	Unknown — not stated by the source	2 MB
DVD-ROM transfer rate (sustained mode)Known for one	Unknown — not stated by the source	11.08 MB/s
PurposeKnown for one	Desktop	Unknown — not stated by the source
LightScribeKnown for one	No	Unknown — not stated by the source
Writing speed4 differ
CD write speedDiffers	40x	24x
CD rewrite speedDiffers	40x	16x
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
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+RW write speedDiffers	10x	8x
DVD-R Double Layer write speedKnown for one	Unknown — not stated by the source	6x
DVD-R write speedDiffers	16x	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
BD-R write speedKnown for one	8x	Unknown — not stated by the source
Reading speed2 differ
CD read speedDiffers	40x	24x
CD-R read speedKnown for one	Unknown — not stated by the source	24x
CD-ROM read speedKnown for one	Unknown — not stated by the source	24x
CD-RW read speedKnown for one	Unknown — not stated by the source	24x
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	6x
DVD-R read speedKnown for one	Unknown — not stated by the source	8x
DVD-RAM read speedKnown for one	Unknown — not stated by the source	5x
DVD-ROM read speedDiffers	16x	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	6x
DVD+RW read speedKnown for one	Unknown — not stated by the source	8x
BD-ROM read speedKnown for one	8x	Unknown — not stated by the source
Access timeidentical
DVD drive average random access timeKnown for one	Unknown — not stated by the source	160 ms
CD-ROM drive average random access timeKnown for one	Unknown — not stated by the source	140 ms
Record modesidentical
Disc-at-once (DAO)Known for one	Unknown — not stated by the source	Yes
Random writeKnown 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 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
Weight & dimensions1 differ
WidthKnown for one	Unknown — not stated by the source	128 mm
DepthKnown for one	Unknown — not stated by the source	127 mm
HeightKnown for one	Unknown — not stated by the source	12.7 mm
WeightDiffers	950 g	270 g
Other featuresidentical
Minimum RAMKnown for one	Unknown — not stated by the source	256 MB
Minimum processorKnown for one	Unknown — not stated by the source	Pentium III 1.0GHz
Minimum storage drive spaceKnown for one	Unknown — not stated by the source	20 GB
Compatible operating systemsKnown for one	Unknown — not stated by the source	Windows 2000/XP/Vista, Mac OS X
Number of optical discsKnown for one	Unknown — not stated by the source	1 discs
USB 2.0 ports quantityKnown for one	Unknown — not stated by the source	1

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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