[lug] SD card reader and fast cards

[Gary Hodges - NOAA Affiliate]

On 07/07/2015 11:22 AM, stimits at comcast.net wrote:
>  > <gary.hodges at noaa.gov> wrote:
>  >> Hi. I have a few very small form factor computers that use a SD card for
>  >> the system drive. I'd like to buy faster cards for these computers,
> but I
>  >> would first like to determine if the card reader in these machines will
>  >> support the cards I want to buy. I have one of these currently running
>  >> Ubuntu. Is there a command I can run or a system spec I can look for?
>  >
>  >Can you be more specific about what kind of devices?
>  >
>   >For the Raspberry Pi, I think there's a wiki page detailing people's
>  > experience with different cards. Other systems might have something
>  > similar, though the Pi is likely to be the best-documented with the
>  > largest set of cards...

> nVidia Tegra 3 and Tegra K1 devices. These are ARMv7, similar to the
> newer second generation Raspberry Pi 2. I've had the same results
> whether working with SD cards on newer/faster K1 or older/slower Tegra 3.

FWIW I've only used a Lexar Professional, SDHC, class 10, 16GB, 133x in 
these to date.

http://www.amazon.com/Lexar-Professional-Class-Flash-Memory/dp/B003JTHN2W/ref=sr_1_1?ie=UTF8&qid=1436292273&sr=8-1&keywords=lexar+professional+sdhc+16GB+133x

The card I am considering is:

http://www.sandisk.com/products/memory-cards/sd/extremepro-sdxc-sdhc-uhs-ii/

http://www.amazon.com/Sandisk-Extreme-Digital-Capacity-SDSDXPB-016G-A46/dp/B00ITCHW4S/ref=sr_1_7?ie=UTF8&qid=1436224065&sr=8-7&keywords=sandisk+extreme+pro+sd