Product comparison · 2 optical disc drives

LG DVD+/-RW 20x SecureDisk IDE Barebulk, Black vs LG GDRH30N optical disc drive Internal

9specifications compared
6differ
3identical
15known for one product only

Key differences

Interface
- DVD+/-RW 20x SecureDisk IDE Barebulk, Black:IDE/ATA
- GDRH30N optical disc drive Internal:EIDE/ATA
CD write speed
- DVD+/-RW 20x SecureDisk IDE Barebulk, Black:48x
- GDRH30N optical disc drive Internal:52x
CD read speed
- DVD+/-RW 20x SecureDisk IDE Barebulk, Black:48x
- GDRH30N optical disc drive Internal:52x
CD-ROM drive average random access time
- DVD+/-RW 20x SecureDisk IDE Barebulk, Black:120 ms
- GDRH30N optical disc drive Internal:160 ms
Weight
- DVD+/-RW 20x SecureDisk IDE Barebulk, Black:800 g
- GDRH30N optical disc drive Internal:700 g
Dimensions (WxDxH)
- DVD+/-RW 20x SecureDisk IDE Barebulk, Black:148 x 42 x 17 mm
- GDRH30N optical disc drive Internal:146 x 165 x 41.3 mm

Side by side

Differences highlightedShow differences only

Comparison of DVD+/-RW 20x SecureDisk IDE Barebulk, Black, GDRH30N
24 specifications	A LG DVD+/-RW 20x SecureDisk IDE Barebulk, Black View product	B LG GDRH30N optical disc drive Internal Model GDRH30N View product
Designidentical
Internal	Yes	Yes
Disc loading type	Tray	Tray
Performance1 differ
InterfaceDiffers	IDE/ATA	EIDE/ATA
Drive device, buffer sizeKnown for one	2 MB	Unknown — not stated by the source
Writing speed1 differ
CD write speedDiffers	48x	52x
CD rewrite speed	32x	32x
Reading speed1 differ
CD read speedDiffers	48x	52x
CD-ROM read speedKnown for one	Unknown — not stated by the source	52x
DVD-ROM read speedKnown for one	Unknown — not stated by the source	16x
Access time1 differ
CD-ROM drive average random access timeDiffers	120 ms	160 ms
DVD drive average random access timeKnown for one	Unknown — not stated by the source	140 ms
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
Over-burn writingKnown for one	Yes	Unknown — not stated by the source
Packet writingKnown for one	Yes	Unknown — not stated by the source
Sequential 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
Weight & dimensions1 differ
WeightDiffers	800 g	700 g
Other features1 differ
Write methodsKnown for one	RW	Unknown — not stated by the source
Dimensions (WxDxH)Differs	148 x 42 x 17 mm	146 x 165 x 41.3 mm
Maximum data transfer rateKnown for one	58.98 Mbit/s	Unknown — not stated by the source
Buffer sizeKnown for one	Unknown — not stated by the source	198 KB
Compatible operating systemsKnown for one	Unknown — not stated by the source	Windows 95, 98, 2K, ME, NT 4.0, XP, Vista, 2003 server, Linux Slackware Ver 3.10, Solaris Ver 2.4

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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