The Sony SF-G Tough SD Cards are now available for pre-order. They are on the expensive side, but if you’re paranoid about data and still stuck with one card slot then this is the card to get.
Sony 128GB SF-G Series: B&H Photo / Amazon / Adorama
Sony 64GB SF-G Series: B&H Photo / Amazon / Adorama
Sony 32GB SF-G Series: B&H Photo / Amazon / Adorama