A current product:
Atoch C2S CFast to SSD Solution for Blackmagic URSA and URSA Mini (4K & 4.6K)
Atoch C2S - An Affordable CFast to SSD Solution for Blackmagic URSA and URSA Mini 4.6K | 4K Shooters (http://www.4kshooters.net/2016/03/25/atoch-c2s-an-affordable-cfast-to-ssd-solution-for-blackmagic-ursa-and-ursa-mini-4-6k/)

A product that almost came to market 10 years ago:

CinePorter CP-2 (http://www.digitalproductionbuzz.com/2005/12/cineporter-cp-2/#.V5-ZW-grKUk)

Panasonic HVX200 [Archive] - IndieTalk - Indie Film Forum (http://www.indietalk.com/archive/index.php/t-9456.html)