They say time waits for no man and the same is true for all technologies including media cards. The most common cards used today are SDXC cards, followed by CFast but in the last two years we’ve seen XQD card slots appear on new cameras. More recently we’ve seen CFexpress media cards appear but what is the difference, and which is best? SDXC cards The first Secure Digital or SD card was launched in 2000. As demand for larger volumes due to larger file sizes and better data rates grew so the humble 32MB card evolved through SDHC (High Capacity around 2006) into SDXC cards (eXtra Capacity from 2011). SDXC cards are fast, very common in the market and are relatively affordable. The very latest standard is SD Ultra Capacity (SDUC) with volumes up-to 128TB. Like current SDXC cards SDUC has a UHS-II interface to deliver data rates of up to 985 MB/second, good for recording compressed 8K video. Holdan offers a range video rated SDXC cards from AngelBird (V90), Panasonic (V90) and Wise (Class 10).