BluRay burner drive cache

Dec 30, 2004
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short rant.
14x BD-R writing speed is ~70MB/s.
The most cache I can find on a drive is 4MB.

Old CD and DVD-ROMs/burners has 2-4MB.
I want something like 20-100MB for when the harddrive is busy seeking/multitasking and doing something else. I think they should give us more.
 

Insert_Nickname

Diamond Member
May 6, 2012
4,971
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Drive cache doesn't really matter if your HDD is fast enough to feed the drive at those speeds. If going much over 6x bluray (27MB/s) I'd recommend burning from an SSD if you're multitasking. Just to be on the safe side.

But at least modern drives should handle bufferunderruns without toasting the disc. It's not the bad old days where an underrun would cost you a disc.

I agree its strange there isn't at least 16 or even 32MB cache on optical drives though.
 

PliotronX

Diamond Member
Oct 17, 1999
8,883
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No longer necessary because buffer underrun features take the point at which the undderrun occurred, halt for a period, and begin recording at the last position. On top of that, most software will take 64-128MB of system memory by default as the buffer. Larger internal buffers were only needed in the days of slower CPUs, less RAM and slower hard drives. Reminds me of the first burner I messed with was a 2X parallel external and on my DX4-120, if I breathed on the system while burning the disc would be wasted.