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For video editing systems we recommend a minimum of three hard drives. One for the operating system and programs, One (or raid set) for source files and capturing, and the third (or raid set) for rendering (final output). you never want to read and write from the same drive You may also want to consider adding an archival or backup drive to protect your work from disaster. An internal drive is slightly faster, doesn't take up space on your desk, and in a pinch it can substitute for a source or render drive if needed. However, if anything truly nasty happens to the computer, its internal drives can all be damaged. An external drive, though it does take up some desk space, can be easily detached from the computer and stored in a safe location until it is needed. A removeable hard drive bay combines the best features of these two types of drive. The drive bay connects as an internal hard drive for speed and space, but it can be easily removed (from the outside of the case) for storage. When it comes to hard drive space, more is usually better, especially as hard drive prices continue to more affordable. While DV video doesn't really take up all that much space, if you are running uncompressed and/or HD video, you can quickly fill drives. More importantly is HDD thruput The following chart shows the approximate drive space usage for several common types of video: |
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![]() For an editor who works with uncompressed or HD video, we recommend using a minimum of two pairs of SATA drives, with each pair in a RAID0 array. RAID0 stripes two or more hard drives together for increased performance, combining their capacity into what the operating system and video editing software will see as one large drive. the following drive setups (raid Arrays) will give you a thruput idea for what you need based on what format you intend to work with.
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