Product comparison · 2 optical disc drives

HP RM475E optical disc drive Black vs LG CH12LS28 optical disc drive Internal

3specifications compared
3differ
0identical
43known for one product only

Key differences

Internal
- RM475E optical disc drive Black:No
- CH12LS28 optical disc drive Internal:Yes
Interface
- RM475E optical disc drive Black:USB
- CH12LS28 optical disc drive Internal:Serial ATA
DVD+R read speed
- RM475E optical disc drive Black:8x
- CH12LS28 optical disc drive Internal:16x

Side by side

Differences highlightedShow differences only

Comparison of RM475E, CH12LS28
46 specifications	A HP RM475E optical disc drive Black Model RM475E View product	B LG CH12LS28 optical disc drive Internal Model CH12LS28 View product
Design1 differ
InternalDiffers	No	Yes
Product colourKnown for one	Black	Unknown — not stated by the source
Performance1 differ
InterfaceDiffers	USB	Serial ATA
LightScribeKnown for one	Unknown — not stated by the source	Yes
Drive device, buffer sizeKnown for one	Unknown — not stated by the source	4 MB
DVD-ROM transfer rate (sustained mode)Known for one	Unknown — not stated by the source	160 MB/s
Optical disc diameterKnown for one	120 mm	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	60000 h	Unknown — not stated by the source
Writing speedidentical
CD-R write speedKnown for one	Unknown — not stated by the source	48x
CD-RW write speedKnown for one	Unknown — not stated by the source	24x
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	16x
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	8x
DVD-R write speedKnown for one	Unknown — not stated by the source	16x
DVD-RAM write speedKnown for one	Unknown — not stated by the source	12x
DVD-RW write speedKnown for one	Unknown — not stated by the source	6x
Reading speed1 differ
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
BD-R Dual Layer read speedKnown for one	Unknown — not stated by the source	8x
BD-R read speedKnown for one	Unknown — not stated by the source	12x
BD-ROM read speedKnown for one	Unknown — not stated by the source	10x
DVD+R read speedDiffers	8x	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
CD read speedKnown for one	24x	Unknown — not stated by the source
DVD read speedKnown for one	8x	Unknown — not stated by the source
Weight & dimensionsidentical
WeightKnown for one	Unknown — not stated by the source	800 g
Other featuresidentical
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	146 x 172 x 41.3 mm
CD transfer rate (sustained mode)Known for one	Unknown — not stated by the source	150 KB/s
Compatible operating systemsKnown for one	Unknown — not stated by the source	Windows 7/Vista/XP
Media types supportedKnown for one	DVD±R/±RW, DVD±R DL, DVD-RAM, DVD-ROM, CD-R/RW/ROM	Unknown — not stated by the source
Minimum RAMKnown for one	128 MB	Unknown — not stated by the source
Minimum processorKnown for one	1.3 GHz Pentium IV	Unknown — not stated by the source
Mac compatibilityKnown for one	No	Unknown — not stated by the source
Number of optical discsKnown for one	1 discs	Unknown — not stated by the source
Access timeidentical
DVD drive average random access timeKnown for one	130 ms	Unknown — not stated by the source
CD-ROM drive average random access timeKnown for one	130 ms	Unknown — not stated by the source
Operational conditionsidentical
Operating relative humidity (H-H)Known for one	10 - 80%	Unknown — not stated by the source
Operating temperature (T-T)Known for one	5 - 35 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-40 - 65 °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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