According to Technews, Bitmain is about to release the Ethereum ASIC miner F3 in Q2 or Q3 2018.
“Bitmain is about to release F3, the ethereum ASIC miner. It’s reported that every miner is mounted with 3 mainboards. On each mainboard there are 6 ASIC processors, each of which has 32 1GB DDR3 memory. Therefore, one unit of F3 miner contains 72 Gigabyte DRAM memory.”
Read more about it here:
https://bitcointalk.org/index.php?topic=2932282.0
“Bitmain is about to release F3, the ethereum ASIC miner. It’s reported that every miner is mounted with 3 mainboards. On each mainboard there are 6 ASIC processors, each of which has 32 1GB DDR3 memory. Therefore, one unit of F3 miner contains 72 Gigabyte DRAM memory.”
Read more about it here:
https://bitcointalk.org/index.php?topic=2932282.0