Thanks for clarifying that Godfrey. So I'll save up for the new Sandisks Peter
On 3/27/07, Godfrey DiGiorgi <[EMAIL PROTECTED]> wrote: > What Thibouille said. > > Notice that you specified maximum read and write speeds for the > Transcend 150x and a minimum write speed for the SDHC card. > > The reason they had to bring out SDHC was to accommodate ambiguities > in the SecureDigital hardware spec which made it difficult to > implement a card with a capacity greater than 2G bytes and guarantee > device compatibility. It's just taken a while for the vendors to ramp > production on the new spec cards with high performance > capabilities ... they sell many more lower capacity/lower performance > cards, I suspect. > > Now that the Extreme III cards are available in SDHC, I'm confident > that many more will follow and prices will drop to suit the volumes. > > Godfrey > > On Mar 27, 2007, at 1:21 PM, Thibouille wrote: > > > Peter, class 6 means 6MB/s minimum. > > There's no class faster than class6. An hypthetical card at 80MB/s > > would still be labeled class6, as for current specifications. > > > > 2007/3/27, Peter Fairweather <[EMAIL PROTECTED]>: > >> This whole SDHC issue confuses me. At the moment I use a Transcend > >> 2Gb > >> 150x card on my DS. Although the camera doesn't use all the speed, > >> the > >> card reader does when downloading. I am now thinking of moving to > >> SDHC > >> and 4gb for when I get the K10d or start shooting more RAW. This is > >> the choice in the UK from a reputable dealer > >> > >> Transcend Secure Digital/SD Card > >> 4GB Card (150x) > >> > >> Up to 13.4MB/sec. write rate. > >> Up to 18.7MB/sec. read rate. > >> > >> OR > >> > >> Transcend High Capacity Secure Digital/SD Card (SDHC) > >> 4GB Card (Class 6) > >> > >> Speed class 6 (>= 6MB/sec writing), > >> > >> They are about the same price but the SDHC one appears to be a lot > >> slower. > >> > >> Is SDHC an engineering breakthrough or a marketing breakthrough > >> whereby slower cards with much higher profit margins can be sold to > >> the gullible punter? > >> > >> -- > >> PDML Pentax-Discuss Mail List > >> [email protected] > >> http://pdml.net/mailman/listinfo/pdml_pdml.net > >> > > > > > > -- > > Thibault Massart aka Thibouille > > ---------------------- > > K10D,Z1,SuperA,KX,MX, P30t and KR-10x ;) ... > > > > -- > > PDML Pentax-Discuss Mail List > > [email protected] > > http://pdml.net/mailman/listinfo/pdml_pdml.net > > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net > -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net
