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SDXC cards will be available in capacities up to 2TB

The Secure Digital (SD) format has come a long way since its original inception. Originally conceived as an offshoot of the Multimedia Card (MMC) format, SD cards have matured over the years into the Secure Digital High Capacity (SDHC) versions that are prevalent today for capacities greater than 2GB.

Current SDHC cards are artificially limited to just 32GB, which means that a new standard is being ushered in to boost capacities into the stratosphere. As a result, the new Secure Digital eXtended Capacity (SDXC) format was introduced today at CES. SDXC cards have a theoretical maximum capacity of 2TB and theoretical maximum read/write speeds of 300MB/sec.

The first SDXC cards will hit the market during the first quarter of 2009; however, these first generation cards will have a maximum transfer rate of 104 MB/sec.

"SDXC combines a higher capacity roadmap with faster transfer speeds as a means to exploit NAND flash memory technology as a compelling choice for portable memory storage and interoperability," said Gartner's Joseph Unsworth, research director, NAND Flash Semiconductors. "With industry support, SDXC presents manufacturers with the opportunity to kindle consumer demand for more advanced handset features and functionality in consumer electronics behind the ubiquitous SD interface."

"SDXC is a large-capacity card that can store more than 4,000 RAW images, which is the uncompressed mode professionals use, and 17,000 of the fine-mode most consumers use. That capacity, combined with the exFAT file system, increases movie recording time and reduces starting time to improve photo-capturing opportunities," said Canon General Manager Shigeto Kanda. "Improvements in interface speed allow further increases in continuous shooting speed and higher resolution movie recordings. As a memory card well suited to small-sized user-friendly digital cameras, the SDXC specification will help consumers realize the full potential of our cameras."

We should expect to first seeing SDXC cards from the usual suspects such as SanDisk, Lexar, and Kingston. SDXC will more than likely carry a hefty premium over current SDHC cards, but expect to see that price differential close with time.



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RE: 2Tb on an SD stick...
By Shadowself on 1/7/2009 12:42:36 PM , Rating: 3
Children...

My first rotating magnetic memory device was the size of a small washing machine and held only 5 MB. It was a huge jump several years later for a 300 MB drive that fit into a 19" rack (6U height). (The stupid head of IT bought a bare bones drive and it fell upon me to write the drivers *and* build the enclosure and physical interface too!)

My first solid state drive was a special one of a kind back in the early 70s for a DEC machine with 16 kB to get us around how slow the tapes and disks were.

We've certainly come a long way.

Now where's those MP3 players and high end phones with 1 TB of storage? I don't need on yet (everything I want to put onto one, today, would fit within 64 GB), but in time I can see wanting 1 TB or more in my pocket.


"And boy have we patented it!" -- Steve Jobs, Macworld 2007











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