Ars Technica

SD vs MMC. Whats the difference

What the difference between a SD card and a MMC card? I took the MMC from my Nokia 6230 and compared it with the SD card from my camera and they are physically the same. The only visible difference is ...
Indiatimes

What is the difference between SD, SDHC, SDXC cards? Are they all interchangeable? What about MMC cards?

SD, SDHC and SDXC are all variants of the SD (Secure Digital) format, that have been released in that order by the SD Association. SD, SDHC and SDXC are all variants of the SD (Secure Digital) format, ...
EDN

Yamaichi : SD-MMC card holder has soft lock mechanism

Yamaichi Electronics offers the FPS009-2409-0, a new push/push SD/MMC card connector. The well-known top mount component FPS009-2405-0 for SD and MMC cards has been revised and replaced by the ...
IGN

SD/MMC for Visor?

Following the successful launches of MemPlug Smart Media, CompactFlash, Memory Stick Springboard modules, Portable Innovation Technology, Ltd. today announced the availability of the MemPlug Secure ...
Forbes

Your SD Memory Card Just Got Faster And Bigger Thanks To The New SD Express Standard

Forbes contributors publish independent expert analyses and insights. Dave Altavilla is a Tech Analyst covering chips, compute and AI. SD and microSD cards for cameras, smartphones, gaming handhelds ...