Product comparison · 2 optical disc drives

LG 20x External Super Multi Security DVD Rewriter vs LG DVD+/-RW 20x SecureDisk IDE Barebulk, Black

Key differences

Internal
- 20x External Super Multi Security DVD Rewriter:No
- DVD+/-RW 20x SecureDisk IDE Barebulk, Black:Yes
CD write speed
- 20x External Super Multi Security DVD Rewriter:20x
- DVD+/-RW 20x SecureDisk IDE Barebulk, Black:48x
CD rewrite speed
- 20x External Super Multi Security DVD Rewriter:20x
- DVD+/-RW 20x SecureDisk IDE Barebulk, Black:32x
Weight
- 20x External Super Multi Security DVD Rewriter:1.5 kg
- DVD+/-RW 20x SecureDisk IDE Barebulk, Black:800 g
Dimensions (WxDxH)
- 20x External Super Multi Security DVD Rewriter:160 x 230 x 50 mm
- DVD+/-RW 20x SecureDisk IDE Barebulk, Black:148 x 42 x 17 mm

Differences highlightedShow differences only

Comparison of 20x External Super Multi Security DVD Rewriter, DVD+/-RW 20x SecureDisk IDE Barebulk, Black
27 specifications	A LG 20x External Super Multi Security DVD Rewriter View product	B LG DVD+/-RW 20x SecureDisk IDE Barebulk, Black View product
Design1 differ
InternalDiffers	No	Yes
MountingKnown for one	Horizontal	Unknown — not stated by the source
Performanceidentical
InterfaceKnown for one	Unknown — not stated by the source	IDE/ATA
Writing speed2 differ
CD write speedDiffers	20x	48x
CD rewrite speedDiffers	20x	32x
Reading speedidentical
CD-R read speedKnown for one	48x	Unknown — not stated by the source
CD-ROM read speedKnown for one	48x	Unknown — not stated by the source
CD-RW read speedKnown for one	40x	Unknown — not stated by the source
DVD-R read speedKnown for one	16x	Unknown — not stated by the source
DVD-RW read speedKnown for one	12x	Unknown — not stated by the source
Record modesidentical
Random writeKnown for one	Yes	Unknown — not stated by the source
Multi sessionKnown for one	Unknown — not stated by the source	Yes
Over-burn writingKnown for one	Unknown — not stated by the source	Yes
Weight & dimensions1 differ
HeightKnown for one	50 mm	Unknown — not stated by the source
WeightDiffers	1.5 kg	800 g
Other features1 differ
Dimensions (WxDxH)Differs	160 x 230 x 50 mm	148 x 42 x 17 mm
Write methodsKnown for one	Unknown — not stated by the source	RW
Maximum data transfer rateKnown for one	Unknown — not stated by the source	58.98 Mbit/s
Access timeidentical
CD-ROM drive average random access timeKnown for one	Unknown — not stated by the source	120 ms

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.