LG GSA-H55N-RBBB SecurDisk vs LG GSA-H55NBBB DVD+/-RW 20x

Comparison of GSA-H55N-RBBB SecurDisk, GSA-H55NBBB DVD+/-RW 20x

45 specifications	A LG GSA-H55N-RBBB SecurDiskView product	B LG GSA-H55NBBB DVD+/-RW 20xView product
Designidentical
Internal	Yes	Yes
Product colourKnown for one	Black	—Unknown — not stated by the source
Disc loading type	Tray	Tray
Mounting	Vertical/Horizontal	Vertical/Horizontal
Performanceidentical
Interface	EIDE/ATA	EIDE/ATA
Drive device, buffer size	2 MB	2 MB
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	10x	10x
DVD+R write speed	20x	20x
DVD+RW write speed	8x	8x
DVD-R Double Layer write speed	10x	10x
DVD-R write speed	20x	20x
DVD-RW write speed	6x	6x
Reading speedidentical
CD read speed	48x	48x
CD-R read speed	48x	48x
CD-ROM read speed	48x	48x
CD-RW read speed	40x	40x
DVD+R read speed	16x	16x
DVD-R Double Layer read speed	12x	12x
DVD-R read speed	16x	16x
DVD-RAM read speed	12x	12x
DVD-ROM read speed	16x	16x
DVD-RW read speed	12x	12x
DVD+R Double Layer read speed	12x	12x
DVD+RW read speed	12x	12x
Access timeidentical
DVD drive average random access time	140 ms	140 ms
CD-ROM drive average random access time	120 ms	120 ms
Record modesidentical
Disc-at-once (DAO)	Yes	Yes
Packet writing	Yes	Yes
Random write	Yes	Yes
Sequential writing	Yes	Yes
Session-at-once (SAO)	Yes	Yes
Track-at-once (TAO)	Yes	Yes
Operational conditionsidentical
Operating temperature (T-T)	5 - 45 °C	5 - 45 °C
Storage temperature (T-T)	-30 - 60 °C	-30 - 60 °C
Weight & dimensionsidentical
Weight	780 g	780 g
Packaging content1 differ
Bundled softwareDiffers	Nero Express, In CD, PowerDVD, PowerProducer Gold	Nero Express, In CD, PowerDVD, PowerProducer Gold.
Other features2 differ
Dimensions (WxDxH)	146 x 41.3 x 165 mm	146 x 41.3 x 165 mm
Minimum RAM	512 MB	512 MB
Minimum processorDiffers	Pentium-4 1.4GHz	Pentium-4 1,4GHz
Compatible operating systemsDiffers	Windows ME, Windows 2000 Professional, Windows XP Home Edition, Professional, Media Center Edition, Windows Vista	Windows ME, Windows 2000 Professional, Windows XP Home Edition, Professional, Media Center Edition, Windows Vista.
Maximum data transfer rate	24.93 Mbit/s	24.93 Mbit/s

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.