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<blockquote data-quote="dieselnutjob" data-source="post: 837039" data-attributes="member: 47318">I bought some Lexar Professional Silver 256GB cards for my D780, but before I open them (so unable to return) I just wanted to check that it isn't a mistake.My understanding is that the D780 support UHS-ii, but that for a card to be fast enough for an &quot;unlimited buffer&quot; experience it would be necessary to have 210Mbps write (7fps and 30Mb per frame).I don't necessarily need an unlimited buffer, but when spending money it seems wise to get the best bang for the buck.Looking at write speeds:-90Mpbs SanDisk Extreme PRO (UHS-i) (depends where you get the numbers from)120Mpbs Lexar Professional 1667x (UHS-ii)140Mpbs Lexar Professional Silver (UHS-i)150Mpbs SanDisk Extreme PRO (UHS-ii)160Mpbs Lexar Professional Silver Pro (UHS-ii)The Lexar Professional 1667x seems like a waste of money if fast write speed is what you want, despite being UHS-ii, whilst Lexar Professional Silver UHS-i seems to be almost as fast as most UHS-ii cards without the cost.But, this is theory, how will they actually perform in a D780 ?thanks</blockquote>

[QUOTE="dieselnutjob, post: 837039, member: 47318"] I bought some Lexar Professional Silver 256GB cards for my D780, but before I open them (so unable to return) I just wanted to check that it isn't a mistake. My understanding is that the D780 support UHS-ii, but that for a card to be fast enough for an "unlimited buffer" experience it would be necessary to have 210Mbps write (7fps and 30Mb per frame). I don't necessarily need an unlimited buffer, but when spending money it seems wise to get the best bang for the buck. Looking at write speeds:- 90Mpbs SanDisk Extreme PRO (UHS-i) (depends where you get the numbers from) 120Mpbs Lexar Professional 1667x (UHS-ii) 140Mpbs Lexar Professional Silver (UHS-i) 150Mpbs SanDisk Extreme PRO (UHS-ii) 160Mpbs Lexar Professional Silver Pro (UHS-ii) The Lexar Professional 1667x seems like a waste of money if fast write speed is what you want, despite being UHS-ii, whilst Lexar Professional Silver UHS-i seems to be almost as fast as most UHS-ii cards without the cost. But, this is theory, how will they actually perform in a D780 ? thanks [/QUOTE]

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