Steve Bingham
Forum Pro
- SD cards come in all sort of read/write speeds. Sony Rx100 VII SD cards and write speeds? Stills - Video
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If that 80MB/s rating is printed on the card, it's the read speed. Normally you have to look up the write speed rating on the vendor's website. Good retailers will also list both read and write speeds.Interesting. A new field for me. Love to be able to use my "old" 80mp/s cards. Here are the stats for my camera:MP4/XAVC S
When I bought my RX100M6 the first thing that happened when I tried to set to 4K 100mbps video was that the camera told me "go buy a faster card, muggins". Well, maybe not exactly those words, but it thought my usual bucket load of plain jane Class 10 SDHC card were not up to the task.
- SD cards come in all sort of read/write speeds. Sony Rx100 VII SD cards and write speeds? Stills - Video

When I get to go on a holiday (well, that's finished for a while) I tend to review my card stock and maybe buy a few more at the current sweet spot for size vs $. So a motley collection over the last few years of previously Class 10 SDHC 8/16/32gig cards.Yep. My 10 cards don't work for video. Great info on this site you just have to be patient. Thanks much!
When I get to go on a holiday (well, that's finished for a while) I tend to review my card stock and maybe buy a few more at the current sweet spot for size vs $. So a motley collection over the last few years of previously Class 10 SDHC 8/16/32gig cards.Yep. My 10 cards don't work for video. Great info on this site you just have to be patient. Thanks much!
Of course no good in the M6 so moved to the 64gig SDXC U3 V30 cards because of the M6 and now they inhabit the two M6 in the family and also my various M4/3 bodies, hence the tape labels on the cards to keep some semblance of order.
I used to advise against all eggs in one basket with bigger cards, but they have proved so reliable (touch wood) that a couple of 64gig cards will see me through any big holiday, plus of course a selection of those Class 10 smaller cards as backup just in case. I do stills mostly so don't miss video if not available.
The only warning is to never buy cheap eBay deals on cards as it seems that about 90% are fakes. Only buy from reputable sources. In Australia I use officeworks.com.au (stores) and cheapchips.com.au (online). I buy from who is best at the time.