According to the sources at Videocardz, Sapphire will re-introduce its Toxic and Atomic graphics card series.
Sapphire has posted a teaser on Weibo, which shows that Sapphire will release a new product in the next 5 days. The teaser showed the letters T and A, which indicates that Sapphire will re-introduce its TOXIC and ATOMIC series after 2015.
The Toxic series products offer the best performance and are targeted towards enthusiasts. The Atomic series will most likely come equipped with a preinstalled water block. Currently, there is no information on what cards will be sold under both series, but it is expected to be the Navi21 based RX 6800XT cards.
The last Toxic series product was the Radeon RX 390X, released back in 2015. As for the Atomic series, the last product was released back in 2013.
The reason behind the relaunch of Toxic and Atomic Series might be the crypto craze.