MNL5099
lvl.1
Flight distance : 820174 ft
United States
Offline
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FYI, if you plan to record 4K at 100Mb/s on the P4P, you will need a U3 rated micro SD card, otherwise you won't be recording at 100Mb/s. When it comes to video recording, it's all about the minimum sustained write speed, which is defined by which class the SD card falls under.
To clarify, Class 10 and U1 SD cards are not fast enough for the P4P when recording Cinema4K at 100Mb/s.
I put a little guide together for myself. All the information you need to know about SD cards and data rates with the phantom series aircraft can be found below.
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Transfer Speed Information
1. P3P Max write speed is 60 Mbps (7.5 MBps) at Cinema4K (.45 GB per minute, or 27 GB per hour)
2. P4P Max write speed is 100 Mbps (12.5 MBps) at Cinema4K (.75 GB per minute or 45GB per hour)
3. Lexar U1 64GB Micro SD max write speed is 160 Mbps (20 MBps) & 95MBps Read
4. Mbps (Mega Bits per second transfer speed)
5. MBps (Mega Bytes per second transfer speed)
6. Conversion 8 bits = 1 byte ———So, 8 Mbps = 1 MBps
7. Minimum sustained write speeds. A speed class rating means that the card has been verified to never write slower than the speed of that class.
1. U3: Minimum 30 MB/s Write
2. U1: Minimum 10 MB/s Write
3. Class 10: Minimum 10 MB/s Write
4. Class 6: Minimum 6 MB/s Write
5. Class 4: Minimum 4 MB/s Write
6. V6: Minimum 6 MB/s Write
7. V10: Minimum 10 MB/s Write
8. V30: Minimum 30 MB/s Write
9. V90: Minimum 90 MB/s Write
8. Online Guide https://www.bhphotovideo.com/exp ... cards-money-can-buy
9. Note, a U3 rated SD card is needed for the P4P. https://www.amazon.com/Lexar-Pro ... ds=u3+micro+sd+card
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Hope this helps,
~Mitchell |
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