20x Speed Burning! is it Really Faster?

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20x Speed Burning! is it Really Faster?

The 4 Minute Burn is it a MYTH?

When 16x DVD writers came out all the manufacturers claimed fastest burning speeds and NEC actually claimed that it would burn a DVD in under 4 minutes. I disputed this in my review and feel we were all misled by this marketing hype.

We now have 20x speed burners and still have not yet reached the 4 minute burn claimed by NEC.

So how do the 18x & 20x speed burners compare? I have available a few drives to make my comparisons

I ordered a Liteon 18x DVD burner from a well known supplier and was surprised & excited to find they had sent me the DH20A1P which is a 20x speed burner, I contacted Danny their technical boffin in case there had been a mistake to find that Liteon were now shipping this model as standard :)

My chart below shows the actual burn times of the various drives I tested together with the maximum & average burn speeds achieved

Rank	Make	Speed	Start	Max	Avg Speed	Time Taken

	Click the Thumbnail to see the Specs					Click the Time to see the Graph
1	DH20A1P	20x	8.04x	19.87x	13.63x	5 Mins 3 Secs
2	GSA-4163B	16x	7.57x	16.56x	11.92x	5 Mins 16 Secs
3	DVR-112	18x	8.04x	19.60x	11.75x	5 Mins 22 Secs
4	SH-S182	18x	7.57x	18.45x	11.50x	5 Mins 39 Secs
5	GSA-4166B	16x	7.10x	17.03x	11.01x	5 Mins 40 Secs
6	DVR-110	16x	6.15x	17.03x	10.58x	6 Mins 7 Secs
7	DVR-111	16x	7.10x	16.56x	9.55x	6 Mins 47 Secs

The Liteon DH20A1P 20x speed burner was the quickest at 5mins 3 seconds. Closely followed by the LG GSA-4163B 16x burner at 5mins 16 secs The 16x speed burners I tested varied in time up to 6mins 47sec & although the drives achieved the maximum speed as per the specification the actual average burning speed is well below the maximum ranging from 9.55x to 13.63x speed. I feel we are still a long way from the 4 minute burn. To achieve the 4 minute burn the drives would have to spin up quicker to the faster speeds for the maximum burn speed to be achieved much earlier & this would render the current discs likely to shattering inside the drive. Special super high speed media would be required to prevent this from happening	The figures below indicate the Predicted time for Actual average Speeds
	Actual Avg Speed	Predicted Time Taken
	20x	3Mins 30Secs
	18x	3Mins 50Secs
	16x	4Mins 15Secs
	12x	5Mins 30

Added: Monday, June 04, 2007
Reviewer: Flash

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