According to latest rumored specification Sony is preparing to announce a model above than Sony A7 series. The camera is said to have Dual XQD card slots and unlimited burst mode till the card last / No buffer limitation.
Camera is said to have DSLR type design, however no expected arrival date is know yet.
source – SAR
Sony A7R III rumor – Just few days ago we have posted the Sony A7R II is coming with 70/80MP sensor and advance core specification. Every year Sony updates its A7 series camera, we are also expecting a Sony A7 update this year.