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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 theapparition on 1/7/2009 12:34:26 PM , Rating: 1
quote:
2Tb on a wafer thin SD card.

Whooaaa.....hold on there Grandpa.

This article only states that a new specification is available that will extend ultimate capacity towards 2Tb. Doesn't mean that someone has a 2Tb stick to sell you.

Similar to 40bit PAE, where something like 5peta-bytes are addressable, doesn't mean anything has been made that can take advantage of it. Current SDHC cards are theoretically limited to 32GB, but I don't believe any are offered at that size.


RE: 2Tb on an SD stick...
By heffeque on 1/7/2009 12:55:59 PM , Rating: 2
Just checking out the store downstairs and there's a 16 GB micro-SD card from Sandisk being sold for 62 euros. I'm pretty sure that if you look a little harder you'll probably find those 32 GB ones somewhere.


RE: 2Tb on an SD stick...
By Jimbo1234 on 1/7/2009 1:33:32 PM , Rating: 2
RE: 2Tb on an SD stick...
By coldpower27 on 1/8/2009 1:57:14 AM , Rating: 2
It makes sense they are introducing it now we have hit the 32GB barrier on SDHC cards. We need to start thinking aobut 64GB SDXC... but wow just wow at the capacity... Even 32GB for flash memory is alot...


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