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What Hard Drive to Get for 4K Editing?

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Stefan Ilea
What Hard Drive to Get for 4K Editing?
on Sep 1, 2015 at 8:07:42 pm

Based on this page Avid spec page:

http://avid.force.com/pkb/articles/en_US/white_paper/DNxHR-Codec-Bandwidth-...

DNxHR HQ Tranfer rate = 88.88 MB/s = 88.88 Mega Bytes/second

From my calculations, is it correct that any of these drives below would allow me to edit smoothly in 4k?


Thanks for any more help!!!!

RAW FOOTAGE CALC

C4K @ 24p, 100 Mbit/s
100 Mbit/s x 1 byte/8bit = 12.5 MB/s
12.5 MB/s x 60 s/min = 750 MB/min
750 MB/min x 60 min/hr x 1GB/1000MB = 45 GB/hr

Estimated RAW FOOTAGE Space Requirement

2 hr (final feature length) x 10 (estimated shot footage) = 20 hours x 45 GB/hr = 900 GB


Transcoded Footage

DNxHR HQ Transfer Rate: 88.88 MB/s
88.88 MB/s x 60 s/min x 60 min/hr/ x 1GB/1000 MB = 319.97 GB/hr
319.97 GB/hr x 20 hours x 1TB/1000GB = 6.4 TB


DRIVE CHOICES Listed in Mega Bytes/second

PROMISE Pegasus2 R6 12TB, RAID 5, 600 MB/s @ $2099
PROMISE Pegasus2 R6 18TB, RAID 5, 600 MB/s @ $2400
PROMISE Pegasus2 R8 24TB, RAID 5, 800 MB/s @ $2700
G-Tech G-Speed Studio 16TB RAID 0, 660 MB/s @ $2200
G-Tech G-Speed Studio 24TB RAID 0, 660 MB/s @$2900
G-Tech G-Speed Studio XL 24TB RAID 5, 1175 MB/s @ $3000
G-Tech G-Speed Studio XL 32TB RAID 5, 1175 MB/s @ $4000


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