Rule of thumb is “classic” SD card standards supporting cards. Basically anything 2GB or less. But there exists SPI to USB adapter chips now, so you can read fat32 of a small USB.

Both cards use the same form factor (24 by 32mm); however SDHC cards feature larger capacities and higher data-transfer speed (SDHC cards range from 4GB to 32GB, where older SD cards top out at 2GB).

Need extra storage for your digital camera? eCost is practically giving away 2GB Secure Digital cards. Pay $19 now, save $19 later. Get a 2GB SD card free (after rebate) - CNET ...

\[Editor’s note: The eye-fi claimed the prize for Last Gadget Standing at CES 2008. There’s a reason for that. Here we let gadget scribe, Mat Honan explain why.\] Eye-Fi 2GB SD Card 8/10 Learn ...

This $99 2GB SD memory card has built in wireless. You pop it in your camera, take some photos, ... 2GB SD card does Wi-Fi in digital cameras. Contributor. 1:00 PM PDT · October 31, 2007.

SD (secure digital) cards are the oldest, least used and limited to 2GB of storage. SDHC (high capacity) cards can store up to 32 GB of data, while SDXC (extended capacity) cards can store up to 2 ...

It's been getting on for three years since Nintendo released their 512MB SD card for the Wii, which makes this new model long overdue. It'll hit Japan in mid-March, and so far the pricing is ...

MacBook Pro's SD card reader can read standard SD (up to 2GB), SDHC (up to 32GB) and SDXC (up to 2TB) cards. The card reader won't recognize any SD card that doesn't have the standard size, 32 mm ...

These cards are marked as either A1 or A2, referring to the SD card’s “input-output operations per second” (IOPS). A1 indicates a minimum read/write IOPS speed of 1,500/500 while A2 ...

There are the regular cards, which hold up to 2GB of information, and SDHC, for high capacity, which hold 4GB to 32GB. ... or other device with an SD card slot, it probably can’t read SDHC cards.

MicroSD Cards with the use of an SD Card Adapter; SDXC Memory Cards (Through an update, SDXC cards up to 128GB are now compatible to the 3DS provided it is somehow formatted to fat32 which it ...