You can read about both of them below as the G915 will be going for $250 and the G815 will be going for $200 on both their website and with retailers.
credit//Logitech
Logitech G915 Lightspeed Wireless Mechanical Gaming Keyboard
This premium keyboard features Logitech G's award-winning Lightspeed Wireless technology for a lightning fast, pro-grade 1ms report rate and[...]
