SDHC card says “20MBs” – meaning?

[Craig Seeman]

[Kent Beeson] ” My ex1R records at 35MBs”

It records at 35Mb/s or 35mb/s
MB MegaByte
Mb Megabit
8 bits to 1 byte.

https://www.computerhope.com/jargon/m/mb.htm

https://www.dewassoc.com/performance/memory/MB_vs_Mb.htm

https://en.wikipedia.org/wiki/Megabit
The megabit has the unit symbol Mbit or Mb.
https://en.wikipedia.org/wiki/Megabyte
It is commonly abbreviated as Mbyte or MB (compare Mb, for the megabit).

[Kent Beeson]

Thanks as usual Craig – I meant though what is the transcend card referring to when it says up to 20MB/s? Is it compatible for me to shoot at 35MB/s, or what does it mean, reads at 20, writes at 20, transfers at 20, what? Will it work well with my EX1R at full HD 35MB/s?

Thanks

K
http://www.effectivevideo.net

[Craig Seeman]

[Kent Beeson] ” Is it compatible for me to shoot at 35MB/s,”
[Kent Beeson] “EX1R at full HD 35MB/s?”

The camera is not 35MB/s it is 35Mb/s.

https://www.transcendusa.com/Press/index.asp?LangNo=0&axn=Detail&PrsNo=1466
new Class 10 SDHC cards boast 20MB/s write and 16MB/s read speeds

20MB/s write
EX1R writes as 35Mb/s
again 8 Megabits to 1 MegaByte.

[Kent Beeson]

Now I got it – thanks much…

[Noah Kadner]

35 Megabits per second is 4.37 Megabytes per second.
20 Megabytes per second is 160 Megabits per second.

So your card being capable of 20 Megabytes/160 Megabits per second transfer means it’s more than up to the challenge of 4.37 Megabytes/35 Megabits video.

Noah

Unlock the secrets of 24p, HD and Final Cut Studio with Call Box Training. Featuring the Panasonic GH2 and Canon 7D.

[Craig Seeman]

Ahh shucks Noah, I wanted to see if Kent could pass the math test. I like teaching people the concepts so they can become self sufficient.

[Noah Kadner]

Yeah well I sucked at math in HS- so I’m learning too!

Noah

Unlock the secrets of 24p, HD and Final Cut Studio with Call Box Training. Featuring the Panasonic GH2 and Canon 7D.