The new SDXC
standard announced earlier this year will begin to replace SDHC
in 2010. The new memory cards will be able to support speeds as high
as 300MB/s and capacities as large as 2TB. Best of all, the new
standard is backwards compatible, meaning that SDXC readers will be
able to read SDHC, SD, and MMC memory cards.
In order to
prepare for this, laptop manufacturers are looking to replace SDHC
readers in their laptops with SDXC
readers. DailyTech has received information that Lenovo,
HP, and Dell are actively working on laptops with SDXC support, but
no information is available yet from Apple or how soon SDXC will make
its way into MacBooks.
Intel will soon introduce new
Arrandale mobile CPUs, which will feature integrated
graphics on the same package. Laptops using the new chips are
expected to be cheaper and use less power, greatly extended battery
life. Laptop manufacturers are expecting brisk sales from the new
designs, which must last until the Sandy
Bridge generation of mobile CPUs is ready in 2011.
issue is complicated by the fact that many SDHC readers are connected
internally through a USB
2.0 bus, which does not have enough bandwidth to support SDXC.
Connections for SDXC must be made instead through the PCIe bus.
first products using SDXC are expected to be shown at the 2010
Consumer Electronics Show in January.