Delkin POWER 512GB (1780MB/s) CFexpress Type B £139

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Good price? No.

400 Mbs is an incredibly slow write speed for that format.
 
Good price? No.

400 Mbs is an incredibly slow write speed for that format.
Write speed is 1700 odd MB/s, guaranteed sustained write speed is 400MB/s so fine for 8k 30fps & reviews seem good, nearly as fast fps as Delkin black cards.
 
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Possibly OK for video (which it's designed for), high volume bursts of RAW would be a different matter.
 
Just for info
Tried the card in a Nikon Z8 I get 120 raw pics in 6 seconds then it starts to slow down, buffer then clears in a few seconds. Ok for me :)
 
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