SD Cards larger than 32 GB (SDXC) supported on E6x20 series/XT3?

Will the card reader on E6x20 series notebooks accept SDXC cards, that is: SD cards with a capacity larger than 32 GB? What about the XT3?

The Dell Website/Manuals/Spec sheets do not specify which SD standards are actually supported. A search in this forum yielded some posts indicating that SDXC might not be supported on the E6410, but nothing about the E6x20 series.

 

Dell lists the specific standards that are supported by the card reader in the XPS and Inspiron models (see e. g. the XPS 15 Tech Specs), but gives no such information for the Latitudes.

One even has to go to the Owner's Manual or the Qick Setup Sheet to find out that the Latitudes' "Memory Card Reader" mentioned on the website is some kind of (not further specified) SD card reader.

This pre-production review of the XT3 also mentions that, regarding the card reader, "Dell representatives couldn't confirm whether it also supports the newer SDXC standard".

This is quite unfortunate. Apart from people who use large SDXC cards in their HD cameras, one would expect that many people find SD cards a good option to extend on-board storage capacity, especially in systems that do not allow adding a second hard drive via an optical bay caddy. But this makes most sense with the larger, faster SDXC cards.